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On February 21, 2023 at 7:29:39 AM UTC, Administrator:
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in Drivers of the microbial metabolic quotient across global grasslands
f | 1 | { | f | 1 | { |
2 | "author": "[{\"affiliation\": \"Swiss Federal Institute for Forest, | 2 | "author": "[{\"affiliation\": \"Swiss Federal Institute for Forest, | ||
3 | Snow and Landscape Research WSL\", \"affiliation_02\": \"\", | 3 | Snow and Landscape Research WSL\", \"affiliation_02\": \"\", | ||
4 | \"affiliation_03\": \"\", \"data_credit\": [\"collection\", | 4 | \"affiliation_03\": \"\", \"data_credit\": [\"collection\", | ||
5 | \"validation\", \"curation\", \"publication\"], \"email\": | 5 | \"validation\", \"curation\", \"publication\"], \"email\": | ||
6 | \"anita.risch@wsl.ch\", \"given_name\": \"Anita C.\", \"identifier\": | 6 | \"anita.risch@wsl.ch\", \"given_name\": \"Anita C.\", \"identifier\": | ||
7 | \"0000-0003-0531-8336\", \"name\": \"Risch\"}, {\"affiliation\": | 7 | \"0000-0003-0531-8336\", \"name\": \"Risch\"}, {\"affiliation\": | ||
8 | \"Swiss Federal Institute for Forest, Snow and Landscape Research | 8 | \"Swiss Federal Institute for Forest, Snow and Landscape Research | ||
9 | WSL\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | 9 | WSL\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | ||
10 | \"data_credit\": [\"collection\", \"validation\", \"curation\", | 10 | \"data_credit\": [\"collection\", \"validation\", \"curation\", | ||
11 | \"supervision\"], \"email\": \"stephan.zimmermann@wsl.ch\", | 11 | \"supervision\"], \"email\": \"stephan.zimmermann@wsl.ch\", | ||
12 | \"given_name\": \"Stephan\", \"identifier\": \"0000-0002-7085-0284\", | 12 | \"given_name\": \"Stephan\", \"identifier\": \"0000-0002-7085-0284\", | ||
13 | \"name\": \"Zimmermann\"}, {\"affiliation\": \"WSL\", | 13 | \"name\": \"Zimmermann\"}, {\"affiliation\": \"WSL\", | ||
14 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | 14 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | ||
15 | \"curation\", \"email\": \"martin.schuetz@wsl.ch\", \"given_name\": | 15 | \"curation\", \"email\": \"martin.schuetz@wsl.ch\", \"given_name\": | ||
16 | \"Martin\", \"identifier\": \"\", \"name\": \"Sch\\u00fctz\"}, | 16 | \"Martin\", \"identifier\": \"\", \"name\": \"Sch\\u00fctz\"}, | ||
17 | {\"affiliation\": \"USDA-ARS Grassland, Soil, and Water Research | 17 | {\"affiliation\": \"USDA-ARS Grassland, Soil, and Water Research | ||
18 | Laboratory, Temple, TX, 76502, USA\", \"affiliation_02\": \"\", | 18 | Laboratory, Temple, TX, 76502, USA\", \"affiliation_02\": \"\", | ||
19 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | 19 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | ||
20 | \"philip.fay@usda.gov\", \"given_name\": \"Philip A.\", | 20 | \"philip.fay@usda.gov\", \"given_name\": \"Philip A.\", | ||
21 | \"identifier\": \"\", \"name\": \"Fay\"}, {\"affiliation\": | 21 | \"identifier\": \"\", \"name\": \"Fay\"}, {\"affiliation\": | ||
22 | \"Department of Ecology, Evolution, and Behavior, University of | 22 | \"Department of Ecology, Evolution, and Behavior, University of | ||
23 | Minnesota, St. Paul, MN 55108\", \"affiliation_02\": \"\", | 23 | Minnesota, St. Paul, MN 55108\", \"affiliation_02\": \"\", | ||
24 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | 24 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | ||
25 | \"borer@umn.edu\", \"given_name\": \"Elizabeth T.\", \"identifier\": | 25 | \"borer@umn.edu\", \"given_name\": \"Elizabeth T.\", \"identifier\": | ||
26 | \"0000-0003-2259-5853\", \"name\": \"Borer\"}, {\"affiliation\": | 26 | \"0000-0003-2259-5853\", \"name\": \"Borer\"}, {\"affiliation\": | ||
27 | \"Department of Earth and Environmental Sciences, The University of | 27 | \"Department of Earth and Environmental Sciences, The University of | ||
28 | Manchester, Oxford Road, Manchester, M13 9PT, UK\", | 28 | Manchester, Oxford Road, Manchester, M13 9PT, UK\", | ||
29 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | 29 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | ||
30 | \"collection\", \"email\": \"arthur.broadbent@manchester.ac.uk\", | 30 | \"collection\", \"email\": \"arthur.broadbent@manchester.ac.uk\", | ||
31 | \"given_name\": \"Arthur A. D.\", \"identifier\": | 31 | \"given_name\": \"Arthur A. D.\", \"identifier\": | ||
32 | \"0000-0002-8438-7163\", \"name\": \"Broadbent\"}, {\"affiliation\": | 32 | \"0000-0002-8438-7163\", \"name\": \"Broadbent\"}, {\"affiliation\": | ||
33 | \"Centro de Estudos Florestais, Instituto Superior de Agronomia, | 33 | \"Centro de Estudos Florestais, Instituto Superior de Agronomia, | ||
34 | Universidade de Lisboa, Portugal\", \"affiliation_02\": \"\", | 34 | Universidade de Lisboa, Portugal\", \"affiliation_02\": \"\", | ||
35 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | 35 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | ||
36 | \"mcaldeira@isa.ulisboa.pt\", \"given_name\": \"Maria C.\", | 36 | \"mcaldeira@isa.ulisboa.pt\", \"given_name\": \"Maria C.\", | ||
37 | \"identifier\": \"\", \"name\": \"Caldeira\"}, {\"affiliation\": | 37 | \"identifier\": \"\", \"name\": \"Caldeira\"}, {\"affiliation\": | ||
38 | \"Department of Ecology and Evolutionary Biology, University of | 38 | \"Department of Ecology and Evolutionary Biology, University of | ||
39 | Colorado, Boulder, CO, 80309, USA\", \"affiliation_02\": \"\", | 39 | Colorado, Boulder, CO, 80309, USA\", \"affiliation_02\": \"\", | ||
40 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | 40 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | ||
41 | \"Kendi.Davies@colorado.edu\", \"given_name\": \"Kendi F.\", | 41 | \"Kendi.Davies@colorado.edu\", \"given_name\": \"Kendi F.\", | ||
42 | \"identifier\": \"0000-0001-7716-3359\", \"name\": \"Davies\"}, | 42 | \"identifier\": \"0000-0001-7716-3359\", \"name\": \"Davies\"}, | ||
43 | {\"affiliation\": \"German Centre for Integrative Biodiversity | 43 | {\"affiliation\": \"German Centre for Integrative Biodiversity | ||
44 | Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, | 44 | Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, | ||
45 | Germany\", \"affiliation_02\": \"Institute of Biology, Leipzig | 45 | Germany\", \"affiliation_02\": \"Institute of Biology, Leipzig | ||
46 | University, Deutscher Platz 5e, 04103 Leipzig, Germany\", | 46 | University, Deutscher Platz 5e, 04103 Leipzig, Germany\", | ||
47 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | 47 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | ||
48 | \"nico.eisenhauer@idiv.de\", \"given_name\": \"Nico\", \"identifier\": | 48 | \"nico.eisenhauer@idiv.de\", \"given_name\": \"Nico\", \"identifier\": | ||
49 | \"0000-0002-0371-6720\", \"name\": \"Eisenhauer\"}, {\"affiliation\": | 49 | \"0000-0002-0371-6720\", \"name\": \"Eisenhauer\"}, {\"affiliation\": | ||
50 | \"Helmholtz Centre for Environmental Research, UFZ, Leipzig, | 50 | \"Helmholtz Centre for Environmental Research, UFZ, Leipzig, | ||
51 | Germany\", \"affiliation_02\": \"German Centre for Integrative | 51 | Germany\", \"affiliation_02\": \"German Centre for Integrative | ||
52 | Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany\", | 52 | Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany\", | ||
53 | \"affiliation_03\": \"Department of Ecology and Genetics, University | 53 | \"affiliation_03\": \"Department of Ecology and Genetics, University | ||
54 | of Oulu, Finland\", \"data_credit\": \"collection\", \"email\": | 54 | of Oulu, Finland\", \"data_credit\": \"collection\", \"email\": | ||
55 | \"anu.eskelinen@idiv.de\", \"given_name\": \"Anu\", \"identifier\": | 55 | \"anu.eskelinen@idiv.de\", \"given_name\": \"Anu\", \"identifier\": | ||
56 | \"0000-0003-1707-5263\", \"name\": \"Eskelinen\"}, {\"affiliation\": | 56 | \"0000-0003-1707-5263\", \"name\": \"Eskelinen\"}, {\"affiliation\": | ||
57 | \"Swiss Federal Institute for Forest, Snow and Landscape Research | 57 | \"Swiss Federal Institute for Forest, Snow and Landscape Research | ||
58 | WSL\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | 58 | WSL\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | ||
59 | \"data_credit\": \"collection\", \"email\": \"frank.hagedorn@wsl.ch\", | 59 | \"data_credit\": \"collection\", \"email\": \"frank.hagedorn@wsl.ch\", | ||
60 | \"given_name\": \"Frank\", \"identifier\": \"0000-0001-5218-7776\", | 60 | \"given_name\": \"Frank\", \"identifier\": \"0000-0001-5218-7776\", | ||
61 | \"name\": \"Hagedorn\"}, {\"affiliation\": \"Department of Health & | 61 | \"name\": \"Hagedorn\"}, {\"affiliation\": \"Department of Health & | ||
62 | Environmental Sciences, Xi'an Jiaotong Liverpool University\", | 62 | Environmental Sciences, Xi'an Jiaotong Liverpool University\", | ||
63 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | 63 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | ||
64 | \"collection\", \"email\": \"joahnnes.knops@xjtlu.edu.cn\", | 64 | \"collection\", \"email\": \"joahnnes.knops@xjtlu.edu.cn\", | ||
65 | \"given_name\": \"Johannes M. H.\", \"identifier\": \"\", \"name\": | 65 | \"given_name\": \"Johannes M. H.\", \"identifier\": \"\", \"name\": | ||
66 | \"Knops\"}, {\"affiliation\": \"Plants and Ecosystems (PLECO), | 66 | \"Knops\"}, {\"affiliation\": \"Plants and Ecosystems (PLECO), | ||
67 | University of Antwerp, Belgium\", \"affiliation_02\": \"\", | 67 | University of Antwerp, Belgium\", \"affiliation_02\": \"\", | ||
68 | \"affiliation_03\": \"\", \"data_credit\": \"validation\", \"email\": | 68 | \"affiliation_03\": \"\", \"data_credit\": \"validation\", \"email\": | ||
69 | \"lembrechtsjonas@gmail.com\", \"given_name\": \"Jonas J.\", | 69 | \"lembrechtsjonas@gmail.com\", \"given_name\": \"Jonas J.\", | ||
70 | \"identifier\": \"\", \"name\": \"Lembrechts\"}, {\"affiliation\": | 70 | \"identifier\": \"\", \"name\": \"Lembrechts\"}, {\"affiliation\": | ||
71 | \"Department of Integrative Biology, University of Guelph, Guelph, | 71 | \"Department of Integrative Biology, University of Guelph, Guelph, | ||
72 | Ontario, Canada\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | 72 | Ontario, Canada\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | ||
73 | \"data_credit\": \"collection\", \"email\": \"asm@uoguelph.ca\", | 73 | \"data_credit\": \"collection\", \"email\": \"asm@uoguelph.ca\", | ||
74 | \"given_name\": \"Andrew S.\", \"identifier\": \"\", \"name\": | 74 | \"given_name\": \"Andrew S.\", \"identifier\": \"\", \"name\": | ||
75 | \"MacDougall\"}, {\"affiliation\": \"Department of Plant and Soil | 75 | \"MacDougall\"}, {\"affiliation\": \"Department of Plant and Soil | ||
76 | Sciences, University of Kentucky, Lexington, KY 40546-0312 USA\", | 76 | Sciences, University of Kentucky, Lexington, KY 40546-0312 USA\", | ||
77 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | 77 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | ||
78 | \"collection\", \"email\": \"rebecca.mcculley@uky.edu\", | 78 | \"collection\", \"email\": \"rebecca.mcculley@uky.edu\", | ||
79 | \"given_name\": \"Rebecca L.\", \"identifier\": | 79 | \"given_name\": \"Rebecca L.\", \"identifier\": | ||
80 | \"0000-0002-2393-0599\", \"name\": \"McCulley\"}, {\"affiliation\": | 80 | \"0000-0002-2393-0599\", \"name\": \"McCulley\"}, {\"affiliation\": | ||
81 | \"Department of Ecology and Evolutionary Biology, University of | 81 | \"Department of Ecology and Evolutionary Biology, University of | ||
82 | Colorado, Boulder, CO, 80309, USA\", \"affiliation_02\": \"\", | 82 | Colorado, Boulder, CO, 80309, USA\", \"affiliation_02\": \"\", | ||
83 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | 83 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | ||
84 | \"brett.melbourne@colorado.edu\", \"given_name\": \"Brett A.\", | 84 | \"brett.melbourne@colorado.edu\", \"given_name\": \"Brett A.\", | ||
85 | \"identifier\": \"\", \"name\": \"Melbourne\"}, {\"affiliation\": | 85 | \"identifier\": \"\", \"name\": \"Melbourne\"}, {\"affiliation\": | ||
86 | \"School of Biological Sciences, Monash University, Clayton Campus VIC | 86 | \"School of Biological Sciences, Monash University, Clayton Campus VIC | ||
87 | 3800, Australia\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | 87 | 3800, Australia\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | ||
88 | \"data_credit\": \"collection\", \"email\": | 88 | \"data_credit\": \"collection\", \"email\": | ||
89 | \"joslin.moore@gmail.com\", \"given_name\": \"Joslin L.\", | 89 | \"joslin.moore@gmail.com\", \"given_name\": \"Joslin L.\", | ||
90 | \"identifier\": \"0000-0001-9809-5092\", \"name\": \"Moore\"}, | 90 | \"identifier\": \"0000-0001-9809-5092\", \"name\": \"Moore\"}, | ||
91 | {\"affiliation\": \"Hawkesbury Institute for the Environment, Western | 91 | {\"affiliation\": \"Hawkesbury Institute for the Environment, Western | ||
92 | Sydney University, Locked Bag 1797, Penrith, New South Wales, 2751 | 92 | Sydney University, Locked Bag 1797, Penrith, New South Wales, 2751 | ||
93 | Australia\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | 93 | Australia\", \"affiliation_02\": \"\", \"affiliation_03\": \"\", | ||
94 | \"data_credit\": \"collection\", \"email\": | 94 | \"data_credit\": \"collection\", \"email\": | ||
95 | \"s.power@westernsydney.edu.au\", \"given_name\": \"Sally A.\", | 95 | \"s.power@westernsydney.edu.au\", \"given_name\": \"Sally A.\", | ||
96 | \"identifier\": \"0000-0002-2723-8671\", \"name\": \"Power\"}, | 96 | \"identifier\": \"0000-0002-2723-8671\", \"name\": \"Power\"}, | ||
97 | {\"affiliation\": \"Dept. of Ecology, Evolution, and Behavior, | 97 | {\"affiliation\": \"Dept. of Ecology, Evolution, and Behavior, | ||
98 | University of Minnesota, St. Paul, MN 55108\", \"affiliation_02\": | 98 | University of Minnesota, St. Paul, MN 55108\", \"affiliation_02\": | ||
99 | \"\", \"affiliation_03\": \"\", \"data_credit\": \"collection\", | 99 | \"\", \"affiliation_03\": \"\", \"data_credit\": \"collection\", | ||
100 | \"email\": \"seabloom@umn.edu\", \"given_name\": \"Eric W.\", | 100 | \"email\": \"seabloom@umn.edu\", \"given_name\": \"Eric W.\", | ||
101 | \"identifier\": \"0000-0001-6780-9259\", \"name\": \"Seabloom\"}, | 101 | \"identifier\": \"0000-0001-6780-9259\", \"name\": \"Seabloom\"}, | ||
102 | {\"affiliation\": \"University of Florida, Range Cattle Research and | 102 | {\"affiliation\": \"University of Florida, Range Cattle Research and | ||
103 | Education Center. 3401 Experiment Station. Ona, FL, USA. 33865\", | 103 | Education Center. 3401 Experiment Station. Ona, FL, USA. 33865\", | ||
104 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | 104 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | ||
105 | \"collection\", \"email\": \"mlas@ufl.edu\", \"given_name\": \"Maria | 105 | \"collection\", \"email\": \"mlas@ufl.edu\", \"given_name\": \"Maria | ||
106 | L.\", \"identifier\": \"0000-0003-2166-3156\", \"name\": | 106 | L.\", \"identifier\": \"0000-0003-2166-3156\", \"name\": | ||
107 | \"Silveira\"}, {\"affiliation\": \"Department of Ecology and Genetics, | 107 | \"Silveira\"}, {\"affiliation\": \"Department of Ecology and Genetics, | ||
108 | University of Oulu, 90014 Oulu, Finland\", \"affiliation_02\": \"\", | 108 | University of Oulu, 90014 Oulu, Finland\", \"affiliation_02\": \"\", | ||
109 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | 109 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | ||
110 | \"risto.virtanen@oulu.fi\", \"given_name\": \"Risto\", \"identifier\": | 110 | \"risto.virtanen@oulu.fi\", \"given_name\": \"Risto\", \"identifier\": | ||
111 | \"0000-0002-8295-8217\", \"name\": \"Virtanen\"}, {\"affiliation\": | 111 | \"0000-0002-8295-8217\", \"name\": \"Virtanen\"}, {\"affiliation\": | ||
112 | \"IFEVA, Universidad de Buenos Aires, CONICET, Facultad de | 112 | \"IFEVA, Universidad de Buenos Aires, CONICET, Facultad de | ||
113 | Agronom\\u00eda, Buenos Aires, Argentina\", \"affiliation_02\": \"\", | 113 | Agronom\\u00eda, Buenos Aires, Argentina\", \"affiliation_02\": \"\", | ||
114 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | 114 | \"affiliation_03\": \"\", \"data_credit\": \"collection\", \"email\": | ||
115 | \"yahdjian@agro.uba.ar\", \"given_name\": \"Laura\", \"identifier\": | 115 | \"yahdjian@agro.uba.ar\", \"given_name\": \"Laura\", \"identifier\": | ||
116 | \"0000-0002-9635-1221\", \"name\": \"Yahdjian\"}, {\"affiliation\": | 116 | \"0000-0002-9635-1221\", \"name\": \"Yahdjian\"}, {\"affiliation\": | ||
117 | \"Department of Biology, University of C\\u00e1diz, Avenida | 117 | \"Department of Biology, University of C\\u00e1diz, Avenida | ||
118 | Rep\\u00fablica \\u00c1rabe s/n, 11510, Puerto Real, Spain\", | 118 | Rep\\u00fablica \\u00c1rabe s/n, 11510, Puerto Real, Spain\", | ||
119 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | 119 | \"affiliation_02\": \"\", \"affiliation_03\": \"\", \"data_credit\": | ||
120 | [\"validation\", \"curation\", \"publication\"], \"email\": | 120 | [\"validation\", \"curation\", \"publication\"], \"email\": | ||
121 | \"rochoahueso@gmail.com\", \"given_name\": \"Raul\", \"identifier\": | 121 | \"rochoahueso@gmail.com\", \"given_name\": \"Raul\", \"identifier\": | ||
122 | \"\", \"name\": \"Ochoa-Hueso\"}]", | 122 | \"\", \"name\": \"Ochoa-Hueso\"}]", | ||
123 | "author_email": null, | 123 | "author_email": null, | ||
124 | "creator_user_id": "d30dde41-6b11-44de-9191-23cdd5bda0e9", | 124 | "creator_user_id": "d30dde41-6b11-44de-9191-23cdd5bda0e9", | ||
125 | "date": "[{\"date\": \"2015-04-01\", \"date_type\": \"collected\", | 125 | "date": "[{\"date\": \"2015-04-01\", \"date_type\": \"collected\", | ||
126 | \"end_date\": \"2016-12-31\"}]", | 126 | \"end_date\": \"2016-12-31\"}]", | ||
127 | "doi": "10.16904/envidat.379", | 127 | "doi": "10.16904/envidat.379", | ||
128 | "funding": "[{\"grant_number\": \"\", \"institution\": \"WSL | 128 | "funding": "[{\"grant_number\": \"\", \"institution\": \"WSL | ||
129 | internal competitive grant\", \"institution_url\": \"\"}, | 129 | internal competitive grant\", \"institution_url\": \"\"}, | ||
130 | {\"grant_number\": \"NSF-DEB-1042132\", \"institution\": \"National | 130 | {\"grant_number\": \"NSF-DEB-1042132\", \"institution\": \"National | ||
131 | Science Foundation Research Coordination Network\", | 131 | Science Foundation Research Coordination Network\", | ||
132 | \"institution_url\": \"\"}, {\"grant_number\": \"NSF-DEB-1234162 to | 132 | \"institution_url\": \"\"}, {\"grant_number\": \"NSF-DEB-1234162 to | ||
133 | Cedar Creek LTER\", \"institution\": \"Long Term Ecological Research | 133 | Cedar Creek LTER\", \"institution\": \"Long Term Ecological Research | ||
134 | \", \"institution_url\": \"\"}, {\"grant_number\": \"DG-0001-13\", | 134 | \", \"institution_url\": \"\"}, {\"grant_number\": \"DG-0001-13\", | ||
135 | \"institution\": \"Institute on the Environment\", | 135 | \"institution\": \"Institute on the Environment\", | ||
136 | \"institution_url\": \"\"}, {\"grant_number\": \"UID/AGR/00239/2019\", | 136 | \"institution_url\": \"\"}, {\"grant_number\": \"UID/AGR/00239/2019\", | ||
137 | \"institution\": \"CEF, a research unit funded by FCT, Portugal\", | 137 | \"institution\": \"CEF, a research unit funded by FCT, Portugal\", | ||
138 | \"institution_url\": \"\"}, {\"grant_number\": \"FZT 118, 202548816\", | 138 | \"institution_url\": \"\"}, {\"grant_number\": \"FZT 118, 202548816\", | ||
139 | \"institution\": \"German Research Foundation\", \"institution_url\": | 139 | \"institution\": \"German Research Foundation\", \"institution_url\": | ||
140 | \"\"}]", | 140 | \"\"}]", | ||
141 | "groups": [], | 141 | "groups": [], | ||
142 | "id": "679bdff7-9fb3-4704-be93-8add5cb206ba", | 142 | "id": "679bdff7-9fb3-4704-be93-8add5cb206ba", | ||
143 | "isopen": true, | 143 | "isopen": true, | ||
144 | "language": "en", | 144 | "language": "en", | ||
145 | "license_id": "odc-odbl", | 145 | "license_id": "odc-odbl", | ||
146 | "license_title": "ODbL with Database Contents License (DbCL)", | 146 | "license_title": "ODbL with Database Contents License (DbCL)", | ||
147 | "license_url": "https://opendefinition.org/licenses/odc-odbl", | 147 | "license_url": "https://opendefinition.org/licenses/odc-odbl", | ||
148 | "maintainer": "{\"affiliation\": \"Swiss Federal Institute for | 148 | "maintainer": "{\"affiliation\": \"Swiss Federal Institute for | ||
149 | Forest, Snow and Landscape Research WSL\", \"email\": | 149 | Forest, Snow and Landscape Research WSL\", \"email\": | ||
150 | \"anita.risch@wsl.ch\", \"given_name\": \"Anita C\", \"identifier\": | 150 | \"anita.risch@wsl.ch\", \"given_name\": \"Anita C\", \"identifier\": | ||
151 | \"\", \"name\": \"Risch\"}", | 151 | \"\", \"name\": \"Risch\"}", | ||
152 | "maintainer_email": null, | 152 | "maintainer_email": null, | ||
153 | "metadata_created": "2023-02-18T03:38:29.406811", | 153 | "metadata_created": "2023-02-18T03:38:29.406811", | ||
n | 154 | "metadata_modified": "2023-02-21T05:05:05.607965", | n | 154 | "metadata_modified": "2023-02-21T07:29:39.106834", |
155 | "name": | 155 | "name": | ||
156 | drivers-of-the-microbial-metabolic-quotient-across-global-grasslands", | 156 | drivers-of-the-microbial-metabolic-quotient-across-global-grasslands", | ||
157 | "notes": "This dataset contains all data on which the following | 157 | "notes": "This dataset contains all data on which the following | ||
158 | publication below is based.\r\n\r\nPaper Citation:\r\n\r\nRisch Anita | 158 | publication below is based.\r\n\r\nPaper Citation:\r\n\r\nRisch Anita | ||
159 | C., Zimmermann, Stefan, Sch\u00fctz, Martin, Borer, Elizabeth T., | 159 | C., Zimmermann, Stefan, Sch\u00fctz, Martin, Borer, Elizabeth T., | ||
160 | Broadbent, Arthur A.D., Caldeira, Maria C., Davies, Kendi F., | 160 | Broadbent, Arthur A.D., Caldeira, Maria C., Davies, Kendi F., | ||
161 | Eisenhauer, Nico, Eskelinen, Anu, Fay, Philip A., Hagedorn, Frank, | 161 | Eisenhauer, Nico, Eskelinen, Anu, Fay, Philip A., Hagedorn, Frank, | ||
162 | Knops, Johannes M.H., Lembrechts, Jonas, J., MacDougall, Andrew S., | 162 | Knops, Johannes M.H., Lembrechts, Jonas, J., MacDougall, Andrew S., | ||
163 | McCulley, Rebecca L., Melbourne, Brett A., Moore, Joslin L., Power, | 163 | McCulley, Rebecca L., Melbourne, Brett A., Moore, Joslin L., Power, | ||
164 | Sally A., Seabloom, Eric W., Silveira, Maria L., Virtanen, Risto, | 164 | Sally A., Seabloom, Eric W., Silveira, Maria L., Virtanen, Risto, | ||
165 | Yahdjian, Laura, Ochoa-Hueso, Raul (accepted). Drivers of the | 165 | Yahdjian, Laura, Ochoa-Hueso, Raul (accepted). Drivers of the | ||
166 | microbial metabolic quotient across global grasslands. Global Ecology | 166 | microbial metabolic quotient across global grasslands. Global Ecology | ||
167 | and Biogeography\r\n\r\nPlease cite this paper together with the | 167 | and Biogeography\r\n\r\nPlease cite this paper together with the | ||
168 | citation for the datafile.\r\n\r\nThe microbial metabolic quotient | 168 | citation for the datafile.\r\n\r\nThe microbial metabolic quotient | ||
169 | (MMQ; mg CO2-C mg MBC-1 h-1), defined as the amount of microbial CO2 | 169 | (MMQ; mg CO2-C mg MBC-1 h-1), defined as the amount of microbial CO2 | ||
170 | respired (MR; mg CO2-C kg soil-1 h-1) per unit of microbial biomass C | 170 | respired (MR; mg CO2-C kg soil-1 h-1) per unit of microbial biomass C | ||
171 | (MBC; mg C kg soil-1), is a key parameter for understanding the | 171 | (MBC; mg C kg soil-1), is a key parameter for understanding the | ||
172 | microbial regulation of the carbon (C) cycle, including soil C | 172 | microbial regulation of the carbon (C) cycle, including soil C | ||
173 | sequestration. Here, we experimentally tested hypotheses about the | 173 | sequestration. Here, we experimentally tested hypotheses about the | ||
174 | individual and interactive effects of multiple nutrient addition | 174 | individual and interactive effects of multiple nutrient addition | ||
175 | (NPK+micronutrients) and herbivore exclusion on MR, MBC, and MMQ | 175 | (NPK+micronutrients) and herbivore exclusion on MR, MBC, and MMQ | ||
176 | across 23 sites (5 continents). Our sites encompassed a wide range of | 176 | across 23 sites (5 continents). Our sites encompassed a wide range of | ||
177 | edaphoclimatic conditions, thus we assessed which edaphoclimatic | 177 | edaphoclimatic conditions, thus we assessed which edaphoclimatic | ||
178 | variables affected MMQ the most and how they interacted with our | 178 | variables affected MMQ the most and how they interacted with our | ||
179 | treatments. Soils were collected in plots with established | 179 | treatments. Soils were collected in plots with established | ||
180 | experimental treatments. MR was assessed in a five-week laboratory | 180 | experimental treatments. MR was assessed in a five-week laboratory | ||
181 | incubation without glucose addition, MBC via substrate-induced | 181 | incubation without glucose addition, MBC via substrate-induced | ||
182 | respiration. MMQ was calculated as MR/MBC and corrected for soil | 182 | respiration. MMQ was calculated as MR/MBC and corrected for soil | ||
183 | temperatures (MMQsoil). Using LMMs and SEMs, we analysed how | 183 | temperatures (MMQsoil). Using LMMs and SEMs, we analysed how | ||
184 | edaphoclimatic characteristics and treatments interactively affected | 184 | edaphoclimatic characteristics and treatments interactively affected | ||
185 | MMQsoil. MMQsoil was higher in locations with higher mean annual | 185 | MMQsoil. MMQsoil was higher in locations with higher mean annual | ||
186 | temperature, lower water holding capacity, and soil organic C | 186 | temperature, lower water holding capacity, and soil organic C | ||
187 | concentration, but did not respond to our treatments across sites as | 187 | concentration, but did not respond to our treatments across sites as | ||
188 | neither MR nor MBC changed. We attributed this relative homeostasis to | 188 | neither MR nor MBC changed. We attributed this relative homeostasis to | ||
189 | our treatments to the modulating influence of edaphoclimatic | 189 | our treatments to the modulating influence of edaphoclimatic | ||
190 | variables. For example, herbivore exclusion, regardless of | 190 | variables. For example, herbivore exclusion, regardless of | ||
191 | fertilization, led to greater MMQsoil only at sites with lower soil | 191 | fertilization, led to greater MMQsoil only at sites with lower soil | ||
192 | organic C (<1.7%). Our results pinpoint the main variables related to | 192 | organic C (<1.7%). Our results pinpoint the main variables related to | ||
193 | MMQsoil across grasslands and emphasize the importance of the local | 193 | MMQsoil across grasslands and emphasize the importance of the local | ||
194 | edaphoclimatic conditions in controlling the response of the C cycle | 194 | edaphoclimatic conditions in controlling the response of the C cycle | ||
195 | to anthropogenic stressors. By testing hypotheses about MMQsoil across | 195 | to anthropogenic stressors. By testing hypotheses about MMQsoil across | ||
196 | global edaphoclimatic gradients, this work also helps to align the | 196 | global edaphoclimatic gradients, this work also helps to align the | ||
197 | conflicting results of prior studies. \r\n", | 197 | conflicting results of prior studies. \r\n", | ||
198 | "num_resources": 1, | 198 | "num_resources": 1, | ||
199 | "num_tags": 7, | 199 | "num_tags": 7, | ||
200 | "organization": { | 200 | "organization": { | ||
201 | "approval_status": "approved", | 201 | "approval_status": "approved", | ||
202 | "created": "2018-04-20T09:51:26.756810", | 202 | "created": "2018-04-20T09:51:26.756810", | ||
203 | "description": "We are studying the distribution of and | 203 | "description": "We are studying the distribution of and | ||
204 | interactions among producers, consumers as well as decomposers and | 204 | interactions among producers, consumers as well as decomposers and | ||
205 | between these communities and their environment. We focus on food webs | 205 | between these communities and their environment. We focus on food webs | ||
206 | in real world ecosystems and thus mainly sample our data during | 206 | in real world ecosystems and thus mainly sample our data during | ||
207 | experimental field campaigns. Data collection under controlled | 207 | experimental field campaigns. Data collection under controlled | ||
208 | conditions in the greenhouse or experimental garden are, however, | 208 | conditions in the greenhouse or experimental garden are, however, | ||
209 | common add-ons hereby. We are mainly interested in the functioning of | 209 | common add-ons hereby. We are mainly interested in the functioning of | ||
210 | natural ecosystems and often conduct research in National Parks around | 210 | natural ecosystems and often conduct research in National Parks around | ||
211 | the world. Our main study area is, however, the Swiss National Park. | 211 | the world. Our main study area is, however, the Swiss National Park. | ||
212 | While working on basic research questions, we regularly consider | 212 | While working on basic research questions, we regularly consider | ||
213 | applied aspects that are related to protecting or conserving | 213 | applied aspects that are related to protecting or conserving | ||
214 | endangered ecosystems.\r\n\r\nExamples of research question of our | 214 | endangered ecosystems.\r\n\r\nExamples of research question of our | ||
215 | research group assesses are:\r\n\r\nHow is species loss related to | 215 | research group assesses are:\r\n\r\nHow is species loss related to | ||
216 | ecosystem processes and functions? Which species or species groups are | 216 | ecosystem processes and functions? Which species or species groups are | ||
217 | particularly relevant for ecosystem functioning? Which effects are | 217 | particularly relevant for ecosystem functioning? Which effects are | ||
218 | expected with the loss of such important species groups? How are | 218 | expected with the loss of such important species groups? How are | ||
219 | aboveground organisms interacting with belowground organisms? Which | 219 | aboveground organisms interacting with belowground organisms? Which | ||
220 | abiotic and biotic conditions favor diverse ecosystems? Is global | 220 | abiotic and biotic conditions favor diverse ecosystems? Is global | ||
221 | change (for example eutrophication, habitat fragmentation, climate) a | 221 | change (for example eutrophication, habitat fragmentation, climate) a | ||
222 | thread for diverse ecosystems? How can diverse ecosystems be | 222 | thread for diverse ecosystems? How can diverse ecosystems be | ||
223 | protected?", | 223 | protected?", | ||
224 | "id": "60e92a46-5f9b-4a06-a32e-6a5e04869486", | 224 | "id": "60e92a46-5f9b-4a06-a32e-6a5e04869486", | ||
225 | "image_url": "2018-07-10-090227.680797LogoWSL.svg", | 225 | "image_url": "2018-07-10-090227.680797LogoWSL.svg", | ||
226 | "is_organization": true, | 226 | "is_organization": true, | ||
227 | "name": "plant-animal-interactions", | 227 | "name": "plant-animal-interactions", | ||
228 | "state": "active", | 228 | "state": "active", | ||
229 | "title": "Plant-Animal Interactions", | 229 | "title": "Plant-Animal Interactions", | ||
230 | "type": "organization" | 230 | "type": "organization" | ||
231 | }, | 231 | }, | ||
232 | "owner_org": "60e92a46-5f9b-4a06-a32e-6a5e04869486", | 232 | "owner_org": "60e92a46-5f9b-4a06-a32e-6a5e04869486", | ||
233 | "private": false, | 233 | "private": false, | ||
234 | "publication": "{\"publication_year\": \"2023\", \"publisher\": | 234 | "publication": "{\"publication_year\": \"2023\", \"publisher\": | ||
235 | \"EnviDat\"}", | 235 | \"EnviDat\"}", | ||
t | 236 | "publication_state": "approved", | t | 236 | "publication_state": "published", |
237 | "related_datasets": "", | 237 | "related_datasets": "", | ||
238 | "related_publications": "Risch Anita C., Zimmermann, Stefan, | 238 | "related_publications": "Risch Anita C., Zimmermann, Stefan, | ||
239 | Sch\u00fctz, Martin, Borer, Elizabeth T., Broadbent, Arthur A.D., | 239 | Sch\u00fctz, Martin, Borer, Elizabeth T., Broadbent, Arthur A.D., | ||
240 | Caldeira, Maria C., Davies, Kendi F., Eisenhauer, Nico, Eskelinen, | 240 | Caldeira, Maria C., Davies, Kendi F., Eisenhauer, Nico, Eskelinen, | ||
241 | Anu, Fay, Philip A., Hagedorn, Frank, Knops, Johannes M.H., | 241 | Anu, Fay, Philip A., Hagedorn, Frank, Knops, Johannes M.H., | ||
242 | Lembrechts, Jonas, J., MacDougall, Andrew S., McCulley, Rebecca L., | 242 | Lembrechts, Jonas, J., MacDougall, Andrew S., McCulley, Rebecca L., | ||
243 | Melbourne, Brett A., Moore, Joslin L., Power, Sally A., Seabloom, Eric | 243 | Melbourne, Brett A., Moore, Joslin L., Power, Sally A., Seabloom, Eric | ||
244 | W., Silveira, Maria L., Virtanen, Risto, Yahdjian, Laura, Ochoa-Hueso, | 244 | W., Silveira, Maria L., Virtanen, Risto, Yahdjian, Laura, Ochoa-Hueso, | ||
245 | Raul (accepted). Drivers of the microbial metabolic quotient across | 245 | Raul (accepted). Drivers of the microbial metabolic quotient across | ||
246 | global grasslands. Global Ecology and Biogeography", | 246 | global grasslands. Global Ecology and Biogeography", | ||
247 | "relationships_as_object": [], | 247 | "relationships_as_object": [], | ||
248 | "relationships_as_subject": [], | 248 | "relationships_as_subject": [], | ||
249 | "resource_type": "datapaper", | 249 | "resource_type": "datapaper", | ||
250 | "resource_type_general": "datapaper", | 250 | "resource_type_general": "datapaper", | ||
251 | "resources": [ | 251 | "resources": [ | ||
252 | { | 252 | { | ||
253 | "cache_last_updated": null, | 253 | "cache_last_updated": null, | ||
254 | "cache_url": null, | 254 | "cache_url": null, | ||
255 | "created": "2023-02-18T03:43:03.643074", | 255 | "created": "2023-02-18T03:43:03.643074", | ||
256 | "description": "Study sites and experimental design\r\nWe | 256 | "description": "Study sites and experimental design\r\nWe | ||
257 | collected data from 23 sites that are part of the Nutrient Network | 257 | collected data from 23 sites that are part of the Nutrient Network | ||
258 | Global Research Cooperative (NutNet, https://nutnet.umn.edu/). The | 258 | Global Research Cooperative (NutNet, https://nutnet.umn.edu/). The | ||
259 | mean annual air temperature (MAT) across these sites ranged from -4 to | 259 | mean annual air temperature (MAT) across these sites ranged from -4 to | ||
260 | 22\u00b0C, mean annual precipitation (MAP) from 252 to 1592 mm, and | 260 | 22\u00b0C, mean annual precipitation (MAP) from 252 to 1592 mm, and | ||
261 | elevations from 6 to 4261 m above sea level (Fig 1a, Supplementary | 261 | elevations from 6 to 4261 m above sea level (Fig 1a, Supplementary | ||
262 | Table S1), hence cover a wide range of climatic conditions under which | 262 | Table S1), hence cover a wide range of climatic conditions under which | ||
263 | grasslands occur (Fig 1b). Soil organic C concentrations ranged | 263 | grasslands occur (Fig 1b). Soil organic C concentrations ranged | ||
264 | between 0.8 to 7.8%, soil total N concentrations between 0.1 and 0.6%, | 264 | between 0.8 to 7.8%, soil total N concentrations between 0.1 and 0.6%, | ||
265 | and the soil C:N ratio between 9.1 and 21.5. Soil clay content spanned | 265 | and the soil C:N ratio between 9.1 and 21.5. Soil clay content spanned | ||
266 | from 3.0 to 35%, and soil pH from 3.4 to 7.6 (Supplementary Table S2). | 266 | from 3.0 to 35%, and soil pH from 3.4 to 7.6 (Supplementary Table S2). | ||
267 | \r\nAt each site, the effects of nutrient addition and herbivore | 267 | \r\nAt each site, the effects of nutrient addition and herbivore | ||
268 | exclusion were tested via a randomized-block design (Borer et al., | 268 | exclusion were tested via a randomized-block design (Borer et al., | ||
269 | 2014). Three blocks with 10 treatment plots each were established at | 269 | 2014). Three blocks with 10 treatment plots each were established at | ||
270 | each site, except for the site at bldr.us (only two blocks). Each of | 270 | each site, except for the site at bldr.us (only two blocks). Each of | ||
271 | these 10 plots was randomly assigned to a nutrient or fencing | 271 | these 10 plots was randomly assigned to a nutrient or fencing | ||
272 | treatment. An individual plot was 5 x 5 m, divided into four 2.5 x 2.5 | 272 | treatment. An individual plot was 5 x 5 m, divided into four 2.5 x 2.5 | ||
273 | m subplots. Each subplot was further divided into four 1 x 1 m square | 273 | m subplots. Each subplot was further divided into four 1 x 1 m square | ||
274 | sampling plots, one of which was set aside for soil sampling (Borer et | 274 | sampling plots, one of which was set aside for soil sampling (Borer et | ||
275 | al., 2014). Plots were separated by at least 1 m wide walkways. We | 275 | al., 2014). Plots were separated by at least 1 m wide walkways. We | ||
276 | collected soil samples from four different treatments for this study: | 276 | collected soil samples from four different treatments for this study: | ||
277 | (i) untreated control plots (Control), (ii) herbivore exclusion plots | 277 | (i) untreated control plots (Control), (ii) herbivore exclusion plots | ||
278 | (Fence), (iii) plots fertilized with N, P, K, plus nine essential | 278 | (Fence), (iii) plots fertilized with N, P, K, plus nine essential | ||
279 | macro and micronutrients (NPK), and (iv) plots with simultaneous | 279 | macro and micronutrients (NPK), and (iv) plots with simultaneous | ||
280 | fertilizer addition and herbivore exclusion (NPK+Fence). The | 280 | fertilizer addition and herbivore exclusion (NPK+Fence). The | ||
281 | experiments were established at different times in the past, with | 281 | experiments were established at different times in the past, with | ||
282 | years of treatment different among sites (2 \u2013 9 years since start | 282 | years of treatment different among sites (2 \u2013 9 years since start | ||
283 | of treatment; Supplementary Table S1). For the nutrient additions, all | 283 | of treatment; Supplementary Table S1). For the nutrient additions, all | ||
284 | sites applied 10 g N m-2 each year as time-release urea; 10 g P m-2 | 284 | sites applied 10 g N m-2 each year as time-release urea; 10 g P m-2 | ||
285 | yr-1 as triple-super phosphate; 10 g K m-2 yr-1 as potassium sulfate. | 285 | yr-1 as triple-super phosphate; 10 g K m-2 yr-1 as potassium sulfate. | ||
286 | A micro-nutrient mix (Fe, S, Mg, Mn, Cu, Zn, B, Mo, Ca) was applied at | 286 | A micro-nutrient mix (Fe, S, Mg, Mn, Cu, Zn, B, Mo, Ca) was applied at | ||
287 | 100 g m-2 together with K in the first year of treatments but not | 287 | 100 g m-2 together with K in the first year of treatments but not | ||
288 | thereafter. \r\nWe excluded large vertebrate herbivores (Fence) by | 288 | thereafter. \r\nWe excluded large vertebrate herbivores (Fence) by | ||
289 | fencing two plots, one with and one without NPK additions, within each | 289 | fencing two plots, one with and one without NPK additions, within each | ||
290 | block. The fences excluded all aboveground mammalian herbivores with a | 290 | block. The fences excluded all aboveground mammalian herbivores with a | ||
291 | body mass of over 50 g (Borer et al., 2014). At most sites, the fences | 291 | body mass of over 50 g (Borer et al., 2014). At most sites, the fences | ||
292 | were 180 cm high, and the fence contained a wire mesh (1 cm holes) for | 292 | were 180 cm high, and the fence contained a wire mesh (1 cm holes) for | ||
293 | the bottom 90 cm with a 30 cm outward-facing flange stapled to the | 293 | the bottom 90 cm with a 30 cm outward-facing flange stapled to the | ||
294 | ground to exclude burrowing animals. Climbing and subterranean animals | 294 | ground to exclude burrowing animals. Climbing and subterranean animals | ||
295 | may potentially still access these plots (Borer et al., 2014). For | 295 | may potentially still access these plots (Borer et al., 2014). For | ||
296 | slight modifications in fence design at a few sites see Supplementary | 296 | slight modifications in fence design at a few sites see Supplementary | ||
297 | Table S3. Most sites only had wild herbivores, although four sites | 297 | Table S3. Most sites only had wild herbivores, although four sites | ||
298 | were also grazed by domestic animals (Supplementary Table | 298 | were also grazed by domestic animals (Supplementary Table | ||
299 | S1).\r\n\r\nCollection of soil samples, soil microbial respiration, | 299 | S1).\r\n\r\nCollection of soil samples, soil microbial respiration, | ||
300 | microbial biomass, and other soil properties\r\nEach of the 23 sites | 300 | microbial biomass, and other soil properties\r\nEach of the 23 sites | ||
301 | received a package containing identical material from the Swiss | 301 | received a package containing identical material from the Swiss | ||
302 | Federal Institute for Forest, Snow and Landscape Research WSL, | 302 | Federal Institute for Forest, Snow and Landscape Research WSL, | ||
303 | Switzerland to be used for sampling (Risch et al., 2015; Risch et al., | 303 | Switzerland to be used for sampling (Risch et al., 2015; Risch et al., | ||
304 | 2019). We collected two soil cores of 5 cm diameter and 12 cm depth in | 304 | 2019). We collected two soil cores of 5 cm diameter and 12 cm depth in | ||
305 | each sampling plot and composited them to measure MR, MBC, and soil | 305 | each sampling plot and composited them to measure MR, MBC, and soil | ||
306 | chemical properties (see below). An additional sample (5 x 12 cm) was | 306 | chemical properties (see below). An additional sample (5 x 12 cm) was | ||
307 | collected to assess soil physical properties. This sample remained | 307 | collected to assess soil physical properties. This sample remained | ||
308 | within a steel sampling core after collection and both ends were | 308 | within a steel sampling core after collection and both ends were | ||
309 | tightly closed with plastic caps to avoid disturbance. All soils were | 309 | tightly closed with plastic caps to avoid disturbance. All soils were | ||
310 | shipped cooled to the laboratory at (Location will be disclosed after | 310 | shipped cooled to the laboratory at (Location will be disclosed after | ||
311 | manuscript acceptance) within a few days after collection. Soils were | 311 | manuscript acceptance) within a few days after collection. Soils were | ||
312 | sampled roughly 6 weeks prior to peak biomass at each site during 2015 | 312 | sampled roughly 6 weeks prior to peak biomass at each site during 2015 | ||
313 | and 2016.\r\nTo assess MR (CO2 production) in a laboratory incubation | 313 | and 2016.\r\nTo assess MR (CO2 production) in a laboratory incubation | ||
314 | experiment we weighed duplicate soil samples (8 g dry soil equivalent) | 314 | experiment we weighed duplicate soil samples (8 g dry soil equivalent) | ||
315 | into 50-ml Falcon tubes. No additional substrate (glucose, sugar) was | 315 | into 50-ml Falcon tubes. No additional substrate (glucose, sugar) was | ||
316 | added to these samples. We adjusted the soil moisture of each sample | 316 | added to these samples. We adjusted the soil moisture of each sample | ||
317 | to 60% field capacity. We then placed a 15 ml plastic test tube | 317 | to 60% field capacity. We then placed a 15 ml plastic test tube | ||
318 | (Semadeni 1701A) containing 7.25 ml 0.05 M NaOH over each soil sample. | 318 | (Semadeni 1701A) containing 7.25 ml 0.05 M NaOH over each soil sample. | ||
319 | The test tube was fixed with a plastic rod so that it was not in | 319 | The test tube was fixed with a plastic rod so that it was not in | ||
320 | contact with the soil sample. The Falcon tubes were then sealed with a | 320 | contact with the soil sample. The Falcon tubes were then sealed with a | ||
321 | screw cap and placed in an incubator under completely dark conditions | 321 | screw cap and placed in an incubator under completely dark conditions | ||
322 | at 20\u00b0C. The CO2 produced by microbial respiration was absorbed | 322 | at 20\u00b0C. The CO2 produced by microbial respiration was absorbed | ||
323 | by the 0.05 M NaOH. For five weeks we measured the decrease in | 323 | by the 0.05 M NaOH. For five weeks we measured the decrease in | ||
324 | conductivity within the 0.05 M NaOH solution on a weekly basis with a | 324 | conductivity within the 0.05 M NaOH solution on a weekly basis with a | ||
325 | Multimeter WTW Multi 3410 (WTW GmbH, Germany) and replaced the 0.05 M | 325 | Multimeter WTW Multi 3410 (WTW GmbH, Germany) and replaced the 0.05 M | ||
326 | NaOH with fresh solution. We included Falcon tubes without soil | 326 | NaOH with fresh solution. We included Falcon tubes without soil | ||
327 | samples in each incubation run as blanks to test if tubes were tight | 327 | samples in each incubation run as blanks to test if tubes were tight | ||
328 | and no CO2 could enter or escape. We calibrated the relationship | 328 | and no CO2 could enter or escape. We calibrated the relationship | ||
329 | between conductivity reduction and NaOH absorbed as follows: 400 ml | 329 | between conductivity reduction and NaOH absorbed as follows: 400 ml | ||
330 | 0.05 M NaOH was placed in a beaker and its conductivity was measured | 330 | 0.05 M NaOH was placed in a beaker and its conductivity was measured | ||
331 | with the multimeter. While stirring, air containing CO2 was blown into | 331 | with the multimeter. While stirring, air containing CO2 was blown into | ||
332 | the solution for approximately one minute, which reacts with NaOH to | 332 | the solution for approximately one minute, which reacts with NaOH to | ||
333 | form Na2CO3. After this process, conductivity was measured again. We | 333 | form Na2CO3. After this process, conductivity was measured again. We | ||
334 | then transferred 7.25 ml of the solution into a smaller beaker and | 334 | then transferred 7.25 ml of the solution into a smaller beaker and | ||
335 | added 1 ml of 0.1 M BaCl2 to precipitate Na2CO3 and then titrated the | 335 | added 1 ml of 0.1 M BaCl2 to precipitate Na2CO3 and then titrated the | ||
336 | solution with 0.05 M HCl to determine the remaining NaOH. We then | 336 | solution with 0.05 M HCl to determine the remaining NaOH. We then | ||
337 | repeated these steps with the remaining solution a total of nine times | 337 | repeated these steps with the remaining solution a total of nine times | ||
338 | and plotted the conductivities (y-axis) against the NaOH consumed | 338 | and plotted the conductivities (y-axis) against the NaOH consumed | ||
339 | (x-axis, Supplementary Fig S1). This regression line was used to infer | 339 | (x-axis, Supplementary Fig S1). This regression line was used to infer | ||
340 | the consumption of NaOH from the conductivity reduction in the | 340 | the consumption of NaOH from the conductivity reduction in the | ||
341 | incubation experiments and to calculate CO2 evolution during | 341 | incubation experiments and to calculate CO2 evolution during | ||
342 | incubation. In addition, we determined the optimum concentration for | 342 | incubation. In addition, we determined the optimum concentration for | ||
343 | the NaOH solution in series of preliminary experiments, so that the | 343 | the NaOH solution in series of preliminary experiments, so that the | ||
344 | concentration was not too high to become insensitive, but also not too | 344 | concentration was not too high to become insensitive, but also not too | ||
345 | low so that not all NaOH reacts during incubation. We then calculated | 345 | low so that not all NaOH reacts during incubation. We then calculated | ||
346 | MR (mg CO2-C kg dry soil-1 h-1) as total amount of CO2 released over | 346 | MR (mg CO2-C kg dry soil-1 h-1) as total amount of CO2 released over | ||
347 | the 5 weeks divided by the duration of the entire incubation in | 347 | the 5 weeks divided by the duration of the entire incubation in | ||
348 | hrs.\r\nSoil microbial biomass carbon (MBC; mg C kg soil-1 ) was | 348 | hrs.\r\nSoil microbial biomass carbon (MBC; mg C kg soil-1 ) was | ||
349 | measured at the beginning of the experiment by measuring the maximal | 349 | measured at the beginning of the experiment by measuring the maximal | ||
350 | respiratory response to the addition of glucose solution (4 mg glucose | 350 | respiratory response to the addition of glucose solution (4 mg glucose | ||
351 | per g soil dry weight dissolved in distilled water; substrate-induced | 351 | per g soil dry weight dissolved in distilled water; substrate-induced | ||
352 | respiration method) on approximately 5.5 g of soil (J. P. E. Anderson | 352 | respiration method) on approximately 5.5 g of soil (J. P. E. Anderson | ||
353 | & Domsch, 1978; Nico Eisenhauer et al., 2018; Scheu, 1992). For this | 353 | & Domsch, 1978; Nico Eisenhauer et al., 2018; Scheu, 1992). For this | ||
354 | purpose we used an O2-micro-compensation apparatus (Scheu, 1992). More | 354 | purpose we used an O2-micro-compensation apparatus (Scheu, 1992). More | ||
355 | specifically, substrate-induced respiration was calculated from the | 355 | specifically, substrate-induced respiration was calculated from the | ||
356 | respiratory response to D-glucose for 10 hr at 20\u00b0C. Glucose was | 356 | respiratory response to D-glucose for 10 hr at 20\u00b0C. Glucose was | ||
357 | added according to preliminary studies to saturate the catabolic | 357 | added according to preliminary studies to saturate the catabolic | ||
358 | enzymes of microorganisms (4 mg g soil-1 dissolved in 400 ml deionized | 358 | enzymes of microorganisms (4 mg g soil-1 dissolved in 400 ml deionized | ||
359 | water). The mean of the lowest three readings within the first 10 hrs | 359 | water). The mean of the lowest three readings within the first 10 hrs | ||
360 | (between the initial peak caused by disturbing the soil and the peak | 360 | (between the initial peak caused by disturbing the soil and the peak | ||
361 | caused by microbial growth) was taken as maximum initial respiratory | 361 | caused by microbial growth) was taken as maximum initial respiratory | ||
362 | response (MIRR; ml O2 kg soil-1 h-1) and microbial biomass (mg C kg | 362 | response (MIRR; ml O2 kg soil-1 h-1) and microbial biomass (mg C kg | ||
363 | soil-1) was calculated as 38 x MIRR (Beck et al., 1997; Cesarz et al., | 363 | soil-1) was calculated as 38 x MIRR (Beck et al., 1997; Cesarz et al., | ||
364 | 2022; Thakur et al., 2015).\r\nThe rest of the composited sample was | 364 | 2022; Thakur et al., 2015).\r\nThe rest of the composited sample was | ||
365 | dried at 65\u00b0C for 48 h, ground and sieved (2 mm mesh) to assess | 365 | dried at 65\u00b0C for 48 h, ground and sieved (2 mm mesh) to assess | ||
366 | the soil pH, mineral soil total C and N and C:N ratio, and mineral | 366 | the soil pH, mineral soil total C and N and C:N ratio, and mineral | ||
367 | soil organic C (Risch et al., 2019). The undisturbed sample was used | 367 | soil organic C (Risch et al., 2019). The undisturbed sample was used | ||
368 | to assess water holding capacity (WHC), bulk density (BD), and soil | 368 | to assess water holding capacity (WHC), bulk density (BD), and soil | ||
369 | texture [sand, silt, clay; methods in (Risch et al., 2019)]. We used | 369 | texture [sand, silt, clay; methods in (Risch et al., 2019)]. We used | ||
370 | the percentage of sand and clay as an indicator of soil texture in | 370 | the percentage of sand and clay as an indicator of soil texture in | ||
371 | this study. MAT (\u00b0C), MAP (mm) and temperature of the wettest | 371 | this study. MAT (\u00b0C), MAP (mm) and temperature of the wettest | ||
372 | quarter (\u00b0C) were obtained from www.worldclim.com (Fick & | 372 | quarter (\u00b0C) were obtained from www.worldclim.com (Fick & | ||
373 | Hijmans, 2017; Hijmans, Cameron, Parra, Jones, & Jarvis, 2005). These | 373 | Hijmans, 2017; Hijmans, Cameron, Parra, Jones, & Jarvis, 2005). These | ||
374 | variables were selected as they were found to be drivers of soil | 374 | variables were selected as they were found to be drivers of soil | ||
375 | nutrient processes across these sites in earlier studies (Risch et | 375 | nutrient processes across these sites in earlier studies (Risch et | ||
376 | al., 2020; Risch et al., 2019). Mean annual soil temperatures (MAST; | 376 | al., 2020; Risch et al., 2019). Mean annual soil temperatures (MAST; | ||
377 | \u00b0C) for the 0 to 5 cm soil layer were obtained for each site from | 377 | \u00b0C) for the 0 to 5 cm soil layer were obtained for each site from | ||
378 | the SoilTemp maps (J. Lembrechts et al., 2021; J. J. Lembrechts et | 378 | the SoilTemp maps (J. Lembrechts et al., 2021; J. J. Lembrechts et | ||
379 | al., 2022), global gridded modelled products of soil bioclimatic | 379 | al., 2022), global gridded modelled products of soil bioclimatic | ||
380 | variables for the 1979-2013 period at a 1-km\u00b2 resolution, based | 380 | variables for the 1979-2013 period at a 1-km\u00b2 resolution, based | ||
381 | on CHELSA, ERA5 and in-situ soil temperature | 381 | on CHELSA, ERA5 and in-situ soil temperature | ||
382 | measurements.\r\nNumerical calculations and statistical analyses\r\nWe | 382 | measurements.\r\nNumerical calculations and statistical analyses\r\nWe | ||
383 | calculated MMQ as MR/MBC. We corrected this measure using the average | 383 | calculated MMQ as MR/MBC. We corrected this measure using the average | ||
384 | soil temperature of each site (MMQsoil). This temperature correction | 384 | soil temperature of each site (MMQsoil). This temperature correction | ||
385 | is necessary as incubation temperatures are usually much higher than | 385 | is necessary as incubation temperatures are usually much higher than | ||
386 | site mean annual soil temperatures (see Xu et al. 2017). MMQsoil = MMQ | 386 | site mean annual soil temperatures (see Xu et al. 2017). MMQsoil = MMQ | ||
387 | x Q10(MAST \u2013 20)/10, where Q10 was assumed to be 2 (Xu et al. | 387 | x Q10(MAST \u2013 20)/10, where Q10 was assumed to be 2 (Xu et al. | ||
388 | 2017). See Supplementary Fig S2 for comparison of air and soil | 388 | 2017). See Supplementary Fig S2 for comparison of air and soil | ||
389 | temperatures across the 23 sites as well as the incubation | 389 | temperatures across the 23 sites as well as the incubation | ||
390 | temperature. \r\nSome of the explanatory variables (clay, soil organic | 390 | temperature. \r\nSome of the explanatory variables (clay, soil organic | ||
391 | C, C:N ratio) were skewed and were thus log-transformed prior to | 391 | C, C:N ratio) were skewed and were thus log-transformed prior to | ||
392 | analyses. All continuous explanatory variables were centred and scaled | 392 | analyses. All continuous explanatory variables were centred and scaled | ||
393 | to have a mean of zero and variance of one. To avoid collinearity | 393 | to have a mean of zero and variance of one. To avoid collinearity | ||
394 | between them we filtered them using correlation analysis | 394 | between them we filtered them using correlation analysis | ||
395 | (Supplementary Fig S3). From the variables that were strongly | 395 | (Supplementary Fig S3). From the variables that were strongly | ||
396 | correlated (Pearson\u2019s |r| > 0.70) (Dormann et al., 2013), we | 396 | correlated (Pearson\u2019s |r| > 0.70) (Dormann et al., 2013), we | ||
397 | selected the ones that allowed us to minimize the number of variables | 397 | selected the ones that allowed us to minimize the number of variables | ||
398 | (Supplementary Fig S3). Specifically, soil total N concentration, soil | 398 | (Supplementary Fig S3). Specifically, soil total N concentration, soil | ||
399 | total C concentration, soil sand content and soil bulk density were | 399 | total C concentration, soil sand content and soil bulk density were | ||
400 | dropped from the dataset. We then assessed how these edaphoclimatic | 400 | dropped from the dataset. We then assessed how these edaphoclimatic | ||
401 | variables are related to MMQ across our global grasslands.\r\nFor | 401 | variables are related to MMQ across our global grasslands.\r\nFor | ||
402 | this, we used linear mixed effects models (LMMs) fitted by maximum | 402 | this, we used linear mixed effects models (LMMs) fitted by maximum | ||
403 | likelihood with the lme function in the nlme package (version 3.1-153) | 403 | likelihood with the lme function in the nlme package (version 3.1-153) | ||
404 | (Pinheiro, Bates, DebRoy, & Sarkar, 2021) in R version 3.6.3. (R Core | 404 | (Pinheiro, Bates, DebRoy, & Sarkar, 2021) in R version 3.6.3. (R Core | ||
405 | Team, 2019). We used treatment as a fixed effect and plot nested in | 405 | Team, 2019). We used treatment as a fixed effect and plot nested in | ||
406 | site as random effects to assess treatment differences in MMQsoil, as | 406 | site as random effects to assess treatment differences in MMQsoil, as | ||
407 | well as MR, and MBC. The number of years since the treatment started | 407 | well as MR, and MBC. The number of years since the treatment started | ||
408 | was included as a fixed effect in all the initial models but was not | 408 | was included as a fixed effect in all the initial models but was not | ||
409 | significant and therefore not retained in the models. To assess how | 409 | significant and therefore not retained in the models. To assess how | ||
410 | differences in MMQsoil were affected by environmental factors (soil, | 410 | differences in MMQsoil were affected by environmental factors (soil, | ||
411 | climatic properties) we again used LMMs. Soil and climatic properties | 411 | climatic properties) we again used LMMs. Soil and climatic properties | ||
412 | were included as fixed effects and plot nested in site as random | 412 | were included as fixed effects and plot nested in site as random | ||
413 | effects. We did not include interactions between environmental | 413 | effects. We did not include interactions between environmental | ||
414 | variables. We then used the MuMin package (Barton, 2018) (version | 414 | variables. We then used the MuMin package (Barton, 2018) (version | ||
415 | 1.42.1) to select the best models that explained the most variation | 415 | 1.42.1) to select the best models that explained the most variation | ||
416 | based on Akaike\u2019s information criterion (AIC; model.avg | 416 | based on Akaike\u2019s information criterion (AIC; model.avg | ||
417 | function). We used the corrected AIC (AICc) to account for our small | 417 | function). We used the corrected AIC (AICc) to account for our small | ||
418 | sample size and selected the top models that fell within 4 AICc units | 418 | sample size and selected the top models that fell within 4 AICc units | ||
419 | (delta AICc < 4) (Burnham & Anderson, 2002; Johnson & Omland, 2004). | 419 | (delta AICc < 4) (Burnham & Anderson, 2002; Johnson & Omland, 2004). | ||
420 | We present all our top models rather than model averages. Conditional | 420 | We present all our top models rather than model averages. Conditional | ||
421 | averages are provided in the Supplementary material. \r\nBased on | 421 | averages are provided in the Supplementary material. \r\nBased on | ||
422 | findings from analyses described above and the literature, we | 422 | findings from analyses described above and the literature, we | ||
423 | developed a conceptual model of direct and indirect relationships | 423 | developed a conceptual model of direct and indirect relationships | ||
424 | between both edaphoclimatic variables and experimental treatments | 424 | between both edaphoclimatic variables and experimental treatments | ||
425 | (Supplement Figure S4) to obtain a more holistic approach in | 425 | (Supplement Figure S4) to obtain a more holistic approach in | ||
426 | understanding how these properties affect MMQsoil. We had data from 23 | 426 | understanding how these properties affect MMQsoil. We had data from 23 | ||
427 | sites with 272 observations. We tested this model using structural | 427 | sites with 272 observations. We tested this model using structural | ||
428 | equation modelling based on a d-sep approach (Lefcheck, 2016; Shipley, | 428 | equation modelling based on a d-sep approach (Lefcheck, 2016; Shipley, | ||
429 | 2009). We considered those environmental drivers that were included in | 429 | 2009). We considered those environmental drivers that were included in | ||
430 | our top LMMs, namely temperature of the wettest quarter (T.q.wet), | 430 | our top LMMs, namely temperature of the wettest quarter (T.q.wet), | ||
431 | soil pH, water holding capacity (WHC) and soil organic C (organic C; | 431 | soil pH, water holding capacity (WHC) and soil organic C (organic C; | ||
432 | Supplementary Figure S4). These factors were allowed to directly | 432 | Supplementary Figure S4). These factors were allowed to directly | ||
433 | affect MMQsoil, and via their interactions with treatments. In | 433 | affect MMQsoil, and via their interactions with treatments. In | ||
434 | addition, treatments were allowed to directly affect MMQsoil. | 434 | addition, treatments were allowed to directly affect MMQsoil. | ||
435 | Treatments were included as dummy variables in the model. We tested | 435 | Treatments were included as dummy variables in the model. We tested | ||
436 | our conceptual model (Supplementary Fig S4) using the piecewiseSEM | 436 | our conceptual model (Supplementary Fig S4) using the piecewiseSEM | ||
437 | package (version 2.0.2; Lefcheck, 2016) in R 3.4.0, in which a | 437 | package (version 2.0.2; Lefcheck, 2016) in R 3.4.0, in which a | ||
438 | structured set of linear models are fitted individually. This approach | 438 | structured set of linear models are fitted individually. This approach | ||
439 | allowed us to account for the nested experimental design, and overcome | 439 | allowed us to account for the nested experimental design, and overcome | ||
440 | some of the limitations of standard structural equation models, such | 440 | some of the limitations of standard structural equation models, such | ||
441 | as small sample sizes (Lefcheck, 2016; Shipley, 2009). We used the lme | 441 | as small sample sizes (Lefcheck, 2016; Shipley, 2009). We used the lme | ||
442 | function of the nlme package to model response variables, including | 442 | function of the nlme package to model response variables, including | ||
443 | site as a random factor. Good fit of the SEM was assumed when | 443 | site as a random factor. Good fit of the SEM was assumed when | ||
444 | Fisher\u2019s C values were non-significant (p > 0.05). For all | 444 | Fisher\u2019s C values were non-significant (p > 0.05). For all | ||
445 | significant interactions between soil or climate variables and | 445 | significant interactions between soil or climate variables and | ||
446 | treatments detected in the SEMs, we calculated treatment effect sizes, | 446 | treatments detected in the SEMs, we calculated treatment effect sizes, | ||
447 | i.e., the differences in MMQsoil between Control and treatments as log | 447 | i.e., the differences in MMQsoil between Control and treatments as log | ||
448 | response ratios (LRR) and plotted these values against the climate or | 448 | response ratios (LRR) and plotted these values against the climate or | ||
449 | soil factors. The LRR were defined as log(Control/Treatment), where | 449 | soil factors. The LRR were defined as log(Control/Treatment), where | ||
450 | treatment was either Fence, NPK or NPK+Fence. To assess which of the | 450 | treatment was either Fence, NPK or NPK+Fence. To assess which of the | ||
451 | LRR-climate or soil property relationships were significant we again | 451 | LRR-climate or soil property relationships were significant we again | ||
452 | used LMMs, in which soil and climatic properties were included as | 452 | used LMMs, in which soil and climatic properties were included as | ||
453 | fixed effects and plot nested in site as random effects. \r\n", | 453 | fixed effects and plot nested in site as random effects. \r\n", | ||
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534 | "title": "Drivers of the microbial metabolic quotient across global | 534 | "title": "Drivers of the microbial metabolic quotient across global | ||
535 | grasslands", | 535 | grasslands", | ||
536 | "type": "dataset", | 536 | "type": "dataset", | ||
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538 | "version": "1.0" | 538 | "version": "1.0" | ||
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