Global decomposition experiment shows soil animal impacts on decomposition are climate-dependent
Identifieur interne : 002411 ( Pmc/Curation ); précédent : 002410; suivant : 002412Global decomposition experiment shows soil animal impacts on decomposition are climate-dependent
Auteurs : Diana H. Wall [États-Unis] ; Mark A. Bradford [États-Unis] ; Mark G. St John [Nouvelle-Zélande] ; John A. Trofymow [Canada] ; Valerie Behan-Pelletier [Canada] ; David E. Bignell [Royaume-Uni] ; J Mark Dangerfield [Australie] ; William J. Parton [États-Unis] ; Josef Rusek [République tchèque] ; Winfried Voigt [Allemagne] ; Volkmar Wolters [Allemagne] ; Holley Zadeh Gardel [États-Unis] ; Fred O. Ayuke [Kenya] ; Richard Bashford [Australie] ; Olga I. Beljakova [Russie] ; Patrick J. Bohlen [États-Unis] ; Alain Brauman [France] ; Stephen Flemming [Canada] ; Joh R. Henschel [Namibie] ; Dan L. Johnson [Canada] ; T Hefin Jones [Royaume-Uni] ; Marcela Kovarova [République tchèque] ; J Marty Kranabetter [Canada] ; Les Kutny [Canada] ; Kuo-Chuan Lin [Taïwan] ; Mohamed Maryati [Malaisie] ; Dominique Masse [Burkina Faso] ; Andrei Pokarzhevskii [Russie] ; Homathevi Rahman [Malaisie] ; Millor G. Sabará [Brésil] ; Joerg-Alfred Salamon [Allemagne] ; Michael J. Swift [Kenya] ; Amanda Varela [Colombie] ; Heraldo L. Vasconcelos [Brésil] ; Don White [Canada] ; Xiaoming Zou [République populaire de Chine, Porto Rico]Source :
- Global Change Biology [ 1354-1013 ] ; 2008.
Abstract
Climate and litter quality are primary drivers of terrestrial decomposition and, based on evidence from multisite experiments at regional and global scales, are universally factored into global decomposition models. In contrast, soil animals are considered key regulators of decomposition at local scales but their role at larger scales is unresolved. Soil animals are consequently excluded from global models of organic mineralization processes. Incomplete assessment of the roles of soil animals stems from the difficulties of manipulating invertebrate animals experimentally across large geographic gradients. This is compounded by deficient or inconsistent taxonomy. We report a global decomposition experiment to assess the importance of soil animals in C mineralization, in which a common grass litter substrate was exposed to natural decomposition in either control or reduced animal treatments across 30 sites distributed from 43°S to 68°N on six continents. Animals in the mesofaunal size range were recovered from the litter by Tullgren extraction and identified to common specifications, mostly at the ordinal level. The design of the trials enabled faunal contribution to be evaluated against abiotic parameters between sites. Soil animals increase decomposition rates in temperate and wet tropical climates, but have neutral effects where temperature or moisture constrain biological activity. Our findings highlight that faunal influences on decomposition are dependent on prevailing climatic conditions. We conclude that (1) inclusion of soil animals will improve the predictive capabilities of region- or biome-scale decomposition models, (2) soil animal influences on decomposition are important at the regional scale when attempting to predict global change scenarios, and (3) the statistical relationship between decomposition rates and climate, at the global scale, is robust against changes in soil faunal abundance and diversity.
Url:
DOI: 10.1111/j.1365-2486.2008.01672.x
PubMed: NONE
PubMed Central: 3597247
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<author><name sortKey="Salamon, Joerg Alfred" sort="Salamon, Joerg Alfred" uniqKey="Salamon J" first="Joerg-Alfred" last="Salamon">Joerg-Alfred Salamon</name>
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<author><name sortKey="Swift, Michael J" sort="Swift, Michael J" uniqKey="Swift M" first="Michael J" last="Swift">Michael J. Swift</name>
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<author><name sortKey="Vasconcelos, Heraldo L" sort="Vasconcelos, Heraldo L" uniqKey="Vasconcelos H" first="Heraldo L" last="Vasconcelos">Heraldo L. Vasconcelos</name>
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<author><name sortKey="Zou, Xiaoming" sort="Zou, Xiaoming" uniqKey="Zou X" first="Xiaoming" last="Zou">Xiaoming Zou</name>
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<affiliation wicri:level="1"><nlm:aff id="au34"><institution>Institute for Tropical Ecosystem Studies, University of Puerto Rico</institution>
<addr-line>San Juan 00931-1910, Puerto Rico</addr-line>
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<country xml:lang="fr">Porto Rico</country>
<wicri:regionArea>San Juan 00931-1910</wicri:regionArea>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Global decomposition experiment shows soil animal impacts on decomposition are climate-dependent</title>
<author><name sortKey="Wall, Diana H" sort="Wall, Diana H" uniqKey="Wall D" first="Diana H" last="Wall">Diana H. Wall</name>
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<author><name sortKey="Bradford, Mark A" sort="Bradford, Mark A" uniqKey="Bradford M" first="Mark A" last="Bradford">Mark A. Bradford</name>
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<author><name sortKey="St John, Mark G" sort="St John, Mark G" uniqKey="St John M" first="Mark G" last="St John">Mark G. St John</name>
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<addr-line>Taipei 100, Taiwan</addr-line>
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<country xml:lang="fr">Taïwan</country>
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<author><name sortKey="Maryati, Mohamed" sort="Maryati, Mohamed" uniqKey="Maryati M" first="Mohamed" last="Maryati">Mohamed Maryati</name>
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<addr-line>Sabah, Malaysia</addr-line>
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<country xml:lang="fr">Malaisie</country>
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<author><name sortKey="Masse, Dominique" sort="Masse, Dominique" uniqKey="Masse D" first="Dominique" last="Masse">Dominique Masse</name>
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<addr-line>Ouagadougou 01 BP182, Burkina Faso</addr-line>
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<country xml:lang="fr">Burkina Faso</country>
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<addr-line>Moscow 119071, Russian Federation</addr-line>
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<country xml:lang="fr">Russie</country>
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<addr-line>Sabah, Malaysia</addr-line>
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<country xml:lang="fr">Malaisie</country>
<wicri:regionArea>Sabah</wicri:regionArea>
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<addr-line>Coronel Fabriciano 35170-056, Brazil</addr-line>
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<country xml:lang="fr">Brésil</country>
<wicri:regionArea>Coronel Fabriciano 35170-056</wicri:regionArea>
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<addr-line>D-35392 Giessen, Germany</addr-line>
</nlm:aff>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>D-35392 Giessen</wicri:regionArea>
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<affiliation wicri:level="1"><nlm:aff id="au29"><institution>Tropical Soil Biology & Fertility Institute of CIAT</institution>
<addr-line>ICRAF, Nairobi, Kenya</addr-line>
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<country xml:lang="fr">Kenya</country>
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<affiliation wicri:level="1"><nlm:aff id="au30"><institution>Pontificia Universidad Javeriana</institution>
<addr-line>Bogotá, DC, Colombia</addr-line>
</nlm:aff>
<country xml:lang="fr">Colombie</country>
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<addr-line>CP 593, 38400-902 Uberlândia, Brazil</addr-line>
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<wicri:regionArea>CP 593, 38400-902 Uberlândia</wicri:regionArea>
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<country>Canada</country>
<wicri:regionArea>Whitehorse, YT</wicri:regionArea>
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</author>
<author><name sortKey="Zou, Xiaoming" sort="Zou, Xiaoming" uniqKey="Zou X" first="Xiaoming" last="Zou">Xiaoming Zou</name>
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<country xml:lang="fr">République populaire de Chine</country>
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<affiliation wicri:level="1"><nlm:aff id="au34"><institution>Institute for Tropical Ecosystem Studies, University of Puerto Rico</institution>
<addr-line>San Juan 00931-1910, Puerto Rico</addr-line>
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<country xml:lang="fr">Porto Rico</country>
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<series><title level="j">Global Change Biology</title>
<idno type="ISSN">1354-1013</idno>
<idno type="eISSN">1365-2486</idno>
<imprint><date when="2008">2008</date>
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<front><div type="abstract" xml:lang="en"><p>Climate and litter quality are primary drivers of terrestrial decomposition and, based on evidence from multisite experiments at regional and global scales, are universally factored into global decomposition models. In contrast, soil animals are considered key regulators of decomposition at local scales but their role at larger scales is unresolved. Soil animals are consequently excluded from global models of organic mineralization processes. Incomplete assessment of the roles of soil animals stems from the difficulties of manipulating invertebrate animals experimentally across large geographic gradients. This is compounded by deficient or inconsistent taxonomy. We report a global decomposition experiment to assess the importance of soil animals in C mineralization, in which a common grass litter substrate was exposed to natural decomposition in either control or reduced animal treatments across 30 sites distributed from 43°S to 68°N on six continents. Animals in the mesofaunal size range were recovered from the litter by Tullgren extraction and identified to common specifications, mostly at the ordinal level. The design of the trials enabled faunal contribution to be evaluated against abiotic parameters between sites. Soil animals increase decomposition rates in temperate and wet tropical climates, but have neutral effects where temperature or moisture constrain biological activity. Our findings highlight that faunal influences on decomposition are dependent on prevailing climatic conditions. We conclude that (1) inclusion of soil animals will improve the predictive capabilities of region- or biome-scale decomposition models, (2) soil animal influences on decomposition are important at the regional scale when attempting to predict global change scenarios, and (3) the statistical relationship between decomposition rates and climate, at the global scale, is robust against changes in soil faunal abundance and diversity.</p>
</div>
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<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Glob Chang Biol</journal-id>
<journal-id journal-id-type="iso-abbrev">Glob Chang Biol</journal-id>
<journal-id journal-id-type="publisher-id">gcb</journal-id>
<journal-title-group><journal-title>Global Change Biology</journal-title>
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<issn pub-type="ppub">1354-1013</issn>
<issn pub-type="epub">1365-2486</issn>
<publisher><publisher-name>Blackwell Publishing Ltd</publisher-name>
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<article-meta><article-id pub-id-type="pmc">3597247</article-id>
<article-id pub-id-type="doi">10.1111/j.1365-2486.2008.01672.x</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Articles</subject>
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<title-group><article-title>Global decomposition experiment shows soil animal impacts on decomposition are climate-dependent</article-title>
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<xref ref-type="aff" rid="au1">*</xref>
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<xref ref-type="aff" rid="au4">§</xref>
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<xref ref-type="aff" rid="au6">∥</xref>
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<xref ref-type="aff" rid="au10">§§</xref>
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<given-names>VOLKMAR</given-names>
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<xref ref-type="aff" rid="au11">¶¶</xref>
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<xref ref-type="aff" rid="au8">††</xref>
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<given-names>FRED O</given-names>
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<xref ref-type="aff" rid="au12">∥∥</xref>
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<given-names>RICHARD</given-names>
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<xref ref-type="aff" rid="au13">***</xref>
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<xref ref-type="aff" rid="au16">§§§</xref>
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<xref ref-type="aff" rid="au19">****</xref>
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<xref ref-type="aff" rid="au22">§§§§</xref>
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<xref ref-type="aff" rid="au24">∥∥∥∥</xref>
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<given-names>MOHAMED</given-names>
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<xref ref-type="aff" rid="au25">*****</xref>
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<given-names>DOMINIQUE</given-names>
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<given-names>ANDREI</given-names>
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<xref ref-type="aff" rid="au27">‡‡‡‡‡</xref>
<xref ref-type="author-notes" rid="fn1">✠</xref>
</contrib>
<contrib contrib-type="author"><name><surname>RAHMAN</surname>
<given-names>HOMATHEVI</given-names>
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<xref ref-type="aff" rid="au25">*****</xref>
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<given-names>MILLOR G</given-names>
</name>
<xref ref-type="aff" rid="au28">§§§§§</xref>
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<given-names>JOERG-ALFRED</given-names>
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<xref ref-type="aff" rid="au30">∥∥∥∥∥</xref>
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<given-names>HERALDO L</given-names>
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<xref ref-type="aff" rid="au31">******</xref>
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<given-names>DON</given-names>
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<given-names>XIAOMING</given-names>
</name>
<xref ref-type="aff" rid="au33">‡‡‡‡‡‡</xref>
<xref ref-type="aff" rid="au34">§§§§§§</xref>
</contrib>
<aff id="au1"><label>*</label>
<institution>Natural Resource Ecology Laboratory and Department of Biology, Colorado State University</institution>
<addr-line>Fort Collins, CO 80523, USA</addr-line>
</aff>
<aff id="au2"><label>†</label>
<institution>Odum School of Ecology, University of Georgia</institution>
<addr-line>Athens, GA 30602, USA</addr-line>
</aff>
<aff id="au3"><label>‡</label>
<institution>Landcare Research</institution>
<addr-line>PO Box 40, Lincoln 7640, New Zealand</addr-line>
</aff>
<aff id="au4"><label>§</label>
<institution>Canadian Forest Service, Pacific Forestry Centre</institution>
<addr-line>Victoria, BC, Canada V8Z 1M5</addr-line>
</aff>
<aff id="au5"><label>¶</label>
<institution>Agriculture and Agri-food Canada</institution>
<addr-line>Ottawa, ON, Canada K1A 0C6</addr-line>
</aff>
<aff id="au6"><label>∥</label>
<institution>Queen Mary University of London</institution>
<addr-line>London E1 4NS, UK</addr-line>
</aff>
<aff id="au7"><label>**</label>
<institution>Macquarie University</institution>
<addr-line>Sydney, NSW 2109, Australia</addr-line>
</aff>
<aff id="au8"><label>††</label>
<institution>Natural Resource Ecology Laboratory, Colorado State University</institution>
<addr-line>Fort Collins, CO 80523, USA</addr-line>
</aff>
<aff id="au9"><label>‡‡</label>
<institution>Institute of Soil Biology, Academy of Sciences</institution>
<addr-line>České Budějovice 370 05, Czech Republic</addr-line>
</aff>
<aff id="au10"><label>§§</label>
<institution>Institute of Ecology, University of Jena</institution>
<addr-line>Jena 07743, Germany</addr-line>
</aff>
<aff id="au11"><label>¶¶</label>
<institution>Department of Animal Ecology, Justus-Liebig-University</institution>
<addr-line>D-35392 Giessen, Germany</addr-line>
</aff>
<aff id="au12"><label>∥∥</label>
<institution>Kenya Methodist University, Kaaga Campus</institution>
<addr-line>Meru, Kenya</addr-line>
</aff>
<aff id="au13"><label>***</label>
<institution>Forest Entomology, Forestry Tasmania</institution>
<addr-line>Hobart, TAS 7000, Australia</addr-line>
</aff>
<aff id="au14"><label>†††</label>
<institution>Centralno-Chernozemnyj Reserve</institution>
<addr-line>Zapovednoe, Russian Federation</addr-line>
</aff>
<aff id="au15"><label>‡‡‡</label>
<institution>MacArthur Agro-Ecology Research Center</institution>
<addr-line>Lake Placid, FL 33852, USA</addr-line>
</aff>
<aff id="au16"><label>§§§</label>
<institution>Laboratoire MOST Centre IRD, Institut de Recherche pour le Développement</institution>
<addr-line>UR SeqBio, SupAgro, Montpellier, France</addr-line>
</aff>
<aff id="au17"><label>¶¶¶</label>
<institution>Gros Morne National Park, Rocky Harbour</institution>
<addr-line>NL, Canada A0K 4N0</addr-line>
</aff>
<aff id="au18"><label>∥∥∥</label>
<institution>Gobabeb Training & Research Centre</institution>
<addr-line>Box 953, Walvis Bay, Namibia</addr-line>
</aff>
<aff id="au19"><label>****</label>
<institution>Department of Geography, University of Lethbridge</institution>
<addr-line>Lethbridge, AB, Canada T1K 3M4</addr-line>
</aff>
<aff id="au20"><label>††††</label>
<institution>Cardiff School of Biosciences, Cardiff University</institution>
<addr-line>Cardiff CF10 3US, UK</addr-line>
</aff>
<aff id="au21"><label>‡‡‡‡</label>
<institution>Institute of Botany, Academy of Sciences</institution>
<addr-line>Pruhonice 252 43, Czech Republic</addr-line>
</aff>
<aff id="au22"><label>§§§§</label>
<institution>B.C. Ministry of Forests</institution>
<addr-line>Smithers, BC, Canada V0J 2N0</addr-line>
</aff>
<aff id="au23"><label>¶¶¶¶</label>
<institution>Inuvik Research Centre</institution>
<addr-line>Inuvik, NT, Canada X0E 0T0</addr-line>
</aff>
<aff id="au24"><label>∥∥∥∥</label>
<institution>Taiwan Forestry Research Institute</institution>
<addr-line>Taipei 100, Taiwan</addr-line>
</aff>
<aff id="au25"><label>*****</label>
<institution>Institute of Tropical Biology and Conservation, Universiti Malaysia Sabah</institution>
<addr-line>Sabah, Malaysia</addr-line>
</aff>
<aff id="au26"><label>†††††</label>
<institution>Institut de Recherche pour le Développement</institution>
<addr-line>Ouagadougou 01 BP182, Burkina Faso</addr-line>
</aff>
<aff id="au27"><label>‡‡‡‡‡</label>
<institution>Institute of Ecology and Evolution of RAS</institution>
<addr-line>Moscow 119071, Russian Federation</addr-line>
</aff>
<aff id="au28"><label>§§§§§</label>
<institution>Centro Universitário do Leste de Minas Gerais</institution>
<addr-line>Coronel Fabriciano 35170-056, Brazil</addr-line>
</aff>
<aff id="au29"><label>¶¶¶¶¶</label>
<institution>Tropical Soil Biology & Fertility Institute of CIAT</institution>
<addr-line>ICRAF, Nairobi, Kenya</addr-line>
</aff>
<aff id="au30"><label>∥∥∥∥∥</label>
<institution>Pontificia Universidad Javeriana</institution>
<addr-line>Bogotá, DC, Colombia</addr-line>
</aff>
<aff id="au31"><label>******</label>
<institution>Institute of Biology, Federal University of Uberlândia</institution>
<addr-line>CP 593, 38400-902 Uberlândia, Brazil</addr-line>
</aff>
<aff id="au32"><label>††††††</label>
<institution>Forest Resources, Department of Indian and Northern Affairs</institution>
<addr-line>Whitehorse, YT, Canada Y1A 2B5</addr-line>
</aff>
<aff id="au33"><label>‡‡‡‡‡‡</label>
<institution>Xishuangbanna Tropical Botanical Garden, The Chinese Academy of Sciences</institution>
<addr-line>Kunming, Yunnan 650223, China</addr-line>
</aff>
<aff id="au34"><label>§§§§§§</label>
<institution>Institute for Tropical Ecosystem Studies, University of Puerto Rico</institution>
<addr-line>San Juan 00931-1910, Puerto Rico</addr-line>
</aff>
</contrib-group>
<author-notes><corresp id="cor1">Correspondence: Diana H. Wall, tel. +1 970 491 2504, fax +1 970 491 1965, e-mail: <email>Diana@nrel.colostate.edu</email>
</corresp>
<fn id="fn1"><label>✠</label>
<p>Deceased.</p>
</fn>
</author-notes>
<pub-date pub-type="ppub"><month>11</month>
<year>2008</year>
</pub-date>
<volume>14</volume>
<issue>11</issue>
<fpage>2661</fpage>
<lpage>2677</lpage>
<history><date date-type="received"><day>28</day>
<month>2</month>
<year>2008</year>
</date>
<date date-type="accepted"><day>18</day>
<month>4</month>
<year>2008</year>
</date>
</history>
<permissions><copyright-statement>Journal compilation © 2008 Blackwell Publishing</copyright-statement>
<copyright-year>2008</copyright-year>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.5/"><license-p>Re-use of this article is permitted in accordance with the Creative Commons Deed, Attribution 2.5, which does not permit commercial exploitation.</license-p>
</license>
</permissions>
<abstract><p>Climate and litter quality are primary drivers of terrestrial decomposition and, based on evidence from multisite experiments at regional and global scales, are universally factored into global decomposition models. In contrast, soil animals are considered key regulators of decomposition at local scales but their role at larger scales is unresolved. Soil animals are consequently excluded from global models of organic mineralization processes. Incomplete assessment of the roles of soil animals stems from the difficulties of manipulating invertebrate animals experimentally across large geographic gradients. This is compounded by deficient or inconsistent taxonomy. We report a global decomposition experiment to assess the importance of soil animals in C mineralization, in which a common grass litter substrate was exposed to natural decomposition in either control or reduced animal treatments across 30 sites distributed from 43°S to 68°N on six continents. Animals in the mesofaunal size range were recovered from the litter by Tullgren extraction and identified to common specifications, mostly at the ordinal level. The design of the trials enabled faunal contribution to be evaluated against abiotic parameters between sites. Soil animals increase decomposition rates in temperate and wet tropical climates, but have neutral effects where temperature or moisture constrain biological activity. Our findings highlight that faunal influences on decomposition are dependent on prevailing climatic conditions. We conclude that (1) inclusion of soil animals will improve the predictive capabilities of region- or biome-scale decomposition models, (2) soil animal influences on decomposition are important at the regional scale when attempting to predict global change scenarios, and (3) the statistical relationship between decomposition rates and climate, at the global scale, is robust against changes in soil faunal abundance and diversity.</p>
</abstract>
<kwd-group><kwd>climate decomposition index</kwd>
<kwd>decomposition</kwd>
<kwd>litter</kwd>
<kwd>mesofauna</kwd>
<kwd>soil biodiversity</kwd>
<kwd>soil carbon</kwd>
<kwd>soil fauna</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
</record>
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