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dc.contributor.author
Powers, Jennifer S.
dc.contributor.author
Montgomery, Rebecca M.
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Adair, Carol E.
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Brealey, Francis Q.
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De Walt, Saarah J.
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Castanho, Camila T
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Chave, Jerome
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Deiniert, Erica
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Ganzhonr, Jörg U.
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Gilbert, Mathew E.
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Gonzalez Iturbe, José Antonio
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Bunyavejchewin, Sarayudh
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Grau, Hector Ricardo
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Harms, Kyle E.
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Hiremath, Ankila
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Iriarte Vivar, Silvia
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Manzane, Eric
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De Oliveira, Alexandre A.
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Poorter, Lourens
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Ramanamanjato, Jean Baptiste
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Salk, Carl
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Varela, Amanda
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Weiblen, George D.
dc.contributor.author
Lerday Manuel T
dc.date.available
2019-03-25T19:34:45Z
dc.date.issued
2009-07
dc.identifier.citation
Powers, Jennifer S.; Montgomery, Rebecca M.; Adair, Carol E.; Brealey, Francis Q.; De Walt, Saarah J.; et al.; Decomposition in tropical forests: A pan-tropical study of the effects of litter type, litter placement and mesofaunal exclusion across a precipitation gradient; Wiley Blackwell Publishing, Inc; Journal of Ecology; 97; 4; 7-2009; 801-811
dc.identifier.issn
0022-0477
dc.identifier.uri
http://hdl.handle.net/11336/72447
dc.description.abstract
Litter decomposition recycles nutrients and causes large fluxes of carbon dioxide into the atmosphere. It is typically assumed that climate, litter quality and decomposer communities determine litter decay rates, yet few comparative studies have examined their relative contributions in tropical forests.
We used a short‐term litterbag experiment to quantify the effects of litter quality, placement and mesofaunal exclusion on decomposition in 23 tropical forests in 14 countries. Annual precipitation varied among sites (760–5797 mm). At each site, two standard substrates (Raphia farinifera and Laurus nobilis) were decomposed in fine‐ and coarse‐mesh litterbags both above and below ground for approximately 1 year.
Decomposition was rapid, with >95% mass loss within a year at most sites. Litter quality, placement and mesofaunal exclusion all independently affected decomposition, but the magnitude depended upon site. Both the average decomposition rate at each site and the ratio of above‐ to below‐ground decay increased linearly with annual precipitation, explaining 60–65% of among‐site variation. Excluding mesofauna had the largest impact on decomposition, reducing decomposition rates by half on average, but the magnitude of decrease was largely independent of climate. This suggests that the decomposer community might play an important role in explaining patterns of decomposition among sites. Which litter type decomposed fastest varied by site, but was not related to climate.
Synthesis. A key goal of ecology is to identify general patterns across ecological communities, as well as relevant site‐specific details to understand local dynamics. Our pan‐tropical study shows that certain aspects of decomposition, including average decomposition rates and the ratio of above‐ to below‐ground decomposition are highly correlated with a simple climatic index: mean annual precipitation. However, we found no relationship between precipitation and effects of mesofaunal exclusion or litter type, suggesting that site‐specific details may also be required to understand how these factors affect decomposition at local scales.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Above Ground
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Below Ground
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Climate Decomposition Index
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Decomposer Fauna
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Decomposition
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Litter Type
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Precipitation
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Tropical Forests
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Decomposition in tropical forests: A pan-tropical study of the effects of litter type, litter placement and mesofaunal exclusion across a precipitation gradient
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-03-21T16:09:37Z
dc.journal.volume
97
dc.journal.number
4
dc.journal.pagination
801-811
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Powers, Jennifer S.. University of Minnesota; Estados Unidos
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Fil: Montgomery, Rebecca M.. University of Minnesota; Estados Unidos
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Fil: Adair, Carol E.. University of Minnesota; Estados Unidos
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Fil: Brealey, Francis Q.. Manchester Metropolitan University; Reino Unido
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Fil: De Walt, Saarah J.. Clemson University; Estados Unidos
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Fil: Castanho, Camila T. Universidade de Sao Paulo; Brasil
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Fil: Chave, Jerome. Centre National de la Recherche Scientifique; Francia. Université Paul Sabatier; Francia
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Fil: Deiniert, Erica. Organization for Tropical Studies; Costa Rica
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Fil: Ganzhonr, Jörg U.. Universitat Hamburg; Alemania
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Fil: Gilbert, Mathew E.. Harvard University; Estados Unidos
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Fil: Gonzalez Iturbe, José Antonio. Biocenosis A. C.; México
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Fil: Bunyavejchewin, Sarayudh. National Park. Wildlife and Plant Conservation Department; Tailandia
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Fil: Grau, Hector Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Laboratorio de Investigaciones Ecológicas de las Yungas; Argentina
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Fil: Harms, Kyle E.. Smithsonian Tropical Research Institute; Panamá. State University of Louisiana; Estados Unidos
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Fil: Hiremath, Ankila. Ashoka Trust for Research in Ecology and the Environment; India
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Fil: Iriarte Vivar, Silvia. Centro de Investigación Científica de Yucatán A.C. Unidad de Recursos Naturales; México
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Fil: Manzane, Eric. University of Miami; Estados Unidos
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Fil: De Oliveira, Alexandre A.. Universidade de Sao Paulo. Departamento de Fisiología. Instituto de Biociencias; Brasil
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Fil: Poorter, Lourens. University of Agriculture Wageningen; Países Bajos. Instituto Boliviano de Investigación Forestal; Bolivia
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Fil: Ramanamanjato, Jean Baptiste. QIT Madagascar Minerals; Madagascar
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Fil: Salk, Carl. University of Duke; Estados Unidos
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Fil: Varela, Amanda. Pontificia Universidad Javeriana; Colombia
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Fil: Weiblen, George D.. University of Minnesota; Estados Unidos
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Fil: Lerday Manuel T. University of Virginia; Estados Unidos
dc.journal.title
Journal of Ecology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://besjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/j.1365-2745.2009.01515.x
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1111/j.1365-2745.2009.01515.x
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