Riparian plant litter quality increases with latitude.
Identifieur interne : 000511 ( PubMed/Corpus ); précédent : 000510; suivant : 000512Riparian plant litter quality increases with latitude.
Auteurs : Luz Boyero ; Manuel A S. Graça ; Alan M. Tonin ; Javier Pérez ; Andrew J Swafford ; Ver Nica Ferreira ; Andrea Landeira-Dabarca ; Markos A Alexandrou ; Mark O. Gessner ; Brendan G. Mckie ; Ricardo J. Albari O ; Leon A. Barmuta ; Marcos Callisto ; Julián Chará ; Eric Chauvet ; Checo Col N-Gaud ; David Dudgeon ; Andrea C. Encalada ; Ricardo Figueroa ; Alexander S. Flecker ; Tadeusz Fleituch ; André Frainer ; José F. Gonçalves ; Julie E. Helson ; Tomoya Iwata ; Jude Mathooko ; Charles M'Erimba ; Catherine M. Pringle ; Alonso Ramírez ; Christopher M. Swan ; Catherine M. Yule ; Richard G. PearsonSource :
- Scientific reports [ 2045-2322 ] ; 2017.
Abstract
Plant litter represents a major basal resource in streams, where its decomposition is partly regulated by litter traits. Litter-trait variation may determine the latitudinal gradient in decomposition in streams, which is mainly microbial in the tropics and detritivore-mediated at high latitudes. However, this hypothesis remains untested, as we lack information on large-scale trait variation for riparian litter. Variation cannot easily be inferred from existing leaf-trait databases, since nutrient resorption can cause traits of litter and green leaves to diverge. Here we present the first global-scale assessment of riparian litter quality by determining latitudinal variation (spanning 107°) in litter traits (nutrient concentrations; physical and chemical defences) of 151 species from 24 regions and their relationships with environmental factors and phylogeny. We hypothesized that litter quality would increase with latitude (despite variation within regions) and traits would be correlated to produce 'syndromes' resulting from phylogeny and environmental variation. We found lower litter quality and higher nitrogen:phosphorus ratios in the tropics. Traits were linked but showed no phylogenetic signal, suggesting that syndromes were environmentally determined. Poorer litter quality and greater phosphorus limitation towards the equator may restrict detritivore-mediated decomposition, contributing to the predominance of microbial decomposers in tropical streams.
DOI: 10.1038/s41598-017-10640-3
PubMed: 28874830
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pubmed:28874830Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Riparian plant litter quality increases with latitude.</title><author><name sortKey="Boyero, Luz" sort="Boyero, Luz" uniqKey="Boyero L" first="Luz" last="Boyero">Luz Boyero</name><affiliation><nlm:affiliation>Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain. luz.boyero@ehu.eus.</nlm:affiliation></affiliation></author><author><name sortKey="Graca, Manuel A S" sort="Graca, Manuel A S" uniqKey="Graca M" first="Manuel A S" last="Graça">Manuel A S. Graça</name><affiliation><nlm:affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Tonin, Alan M" sort="Tonin, Alan M" uniqKey="Tonin A" first="Alan M" last="Tonin">Alan M. Tonin</name><affiliation><nlm:affiliation>Laboratorio de Limnologia/AquaRiparia, Departamento de Ecologia, IB, Universidade de Brasília, 70910-900, Brasília, Federal District, Brazil.</nlm:affiliation></affiliation></author><author><name sortKey="Perez, Javier" sort="Perez, Javier" uniqKey="Perez J" first="Javier" last="Pérez">Javier Pérez</name><affiliation><nlm:affiliation>Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain.</nlm:affiliation></affiliation></author><author><name sortKey="J Swafford, Andrew" sort="J Swafford, Andrew" uniqKey="J Swafford A" first="Andrew" last="J Swafford">Andrew J Swafford</name><affiliation><nlm:affiliation>Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA, 93106, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Ferreira, Ver Nica" sort="Ferreira, Ver Nica" uniqKey="Ferreira V" first="Ver Nica" last="Ferreira">Ver Nica Ferreira</name><affiliation><nlm:affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Landeira Dabarca, Andrea" sort="Landeira Dabarca, Andrea" uniqKey="Landeira Dabarca A" first="Andrea" last="Landeira-Dabarca">Andrea Landeira-Dabarca</name><affiliation><nlm:affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="A Alexandrou, Markos" sort="A Alexandrou, Markos" uniqKey="A Alexandrou M" first="Markos" last="A Alexandrou">Markos A Alexandrou</name><affiliation><nlm:affiliation>Wildlands Conservation Science, LLC, P.O. Box 1846, Lompoc, CA, 93438, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Gessner, Mark O" sort="Gessner, Mark O" uniqKey="Gessner M" first="Mark O" last="Gessner">Mark O. Gessner</name><affiliation><nlm:affiliation>Department of Experimental Limnology, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), 16775, Stechlin, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Mckie, Brendan G" sort="Mckie, Brendan G" uniqKey="Mckie B" first="Brendan G" last="Mckie">Brendan G. Mckie</name><affiliation><nlm:affiliation>Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, SE-75007, Uppsala, Sweden.</nlm:affiliation></affiliation></author><author><name sortKey="Albari O, Ricardo J" sort="Albari O, Ricardo J" uniqKey="Albari O R" first="Ricardo J" last="Albari O">Ricardo J. Albari O</name><affiliation><nlm:affiliation>Laboratorio de Fotobiología, INIBIOMA, CONICET, Universidad Nacional Comahue, Quintral 1250, 8400, Bariloche, Argentina.</nlm:affiliation></affiliation></author><author><name sortKey="Barmuta, Leon A" sort="Barmuta, Leon A" uniqKey="Barmuta L" first="Leon A" last="Barmuta">Leon A. Barmuta</name><affiliation><nlm:affiliation>School of Biological Sciences, University of Tasmania, Private Bag 55, Hobart, Tasmania, 7001, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Callisto, Marcos" sort="Callisto, Marcos" uniqKey="Callisto M" first="Marcos" last="Callisto">Marcos Callisto</name><affiliation><nlm:affiliation>Laboratorio de Ecologia de Bentos, Departamento Biologia Geral, ICB, Universidade Federal de Minas Gerais, 30161-970, Belo Horizonte, MG, Brazil.</nlm:affiliation></affiliation></author><author><name sortKey="Chara, Julian" sort="Chara, Julian" uniqKey="Chara J" first="Julián" last="Chará">Julián Chará</name><affiliation><nlm:affiliation>Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria (CIPAV), Carrera 25 No. 6-62, Cali, Colombia.</nlm:affiliation></affiliation></author><author><name sortKey="Chauvet, Eric" sort="Chauvet, Eric" uniqKey="Chauvet E" first="Eric" last="Chauvet">Eric Chauvet</name><affiliation><nlm:affiliation>EcoLab, Université de Toulouse, CNRS, INP, UPS, 118 Route de Narbonne, 31062, Toulouse, France.</nlm:affiliation></affiliation></author><author><name sortKey="Col N Gaud, Checo" sort="Col N Gaud, Checo" uniqKey="Col N Gaud C" first="Checo" last="Col N-Gaud">Checo Col N-Gaud</name><affiliation><nlm:affiliation>Department of Biology, Georgia Southern University, Statesboro, Georgia, 30458, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Dudgeon, David" sort="Dudgeon, David" uniqKey="Dudgeon D" first="David" last="Dudgeon">David Dudgeon</name><affiliation><nlm:affiliation>School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, SAR, China.</nlm:affiliation></affiliation></author><author><name sortKey="Encalada, Andrea C" sort="Encalada, Andrea C" uniqKey="Encalada A" first="Andrea C" last="Encalada">Andrea C. Encalada</name><affiliation><nlm:affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Figueroa, Ricardo" sort="Figueroa, Ricardo" uniqKey="Figueroa R" first="Ricardo" last="Figueroa">Ricardo Figueroa</name><affiliation><nlm:affiliation>Facultad de Ciencias Ambientales y Centro de Recursos Hidricos para la Agricultura y la Minería, Universidad de Concepción, Concepción, Chile.</nlm:affiliation></affiliation></author><author><name sortKey="Flecker, Alexander S" sort="Flecker, Alexander S" uniqKey="Flecker A" first="Alexander S" last="Flecker">Alexander S. Flecker</name><affiliation><nlm:affiliation>Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, 14853, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Fleituch, Tadeusz" sort="Fleituch, Tadeusz" uniqKey="Fleituch T" first="Tadeusz" last="Fleituch">Tadeusz Fleituch</name><affiliation><nlm:affiliation>Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, 31-120, Kraków, Poland.</nlm:affiliation></affiliation></author><author><name sortKey="Frainer, Andre" sort="Frainer, Andre" uniqKey="Frainer A" first="André" last="Frainer">André Frainer</name><affiliation><nlm:affiliation>Department of Ecology and Environmental Science, Umeå University, Umeå, Sweden.</nlm:affiliation></affiliation></author><author><name sortKey="Goncalves, Jose F" sort="Goncalves, Jose F" uniqKey="Goncalves J" first="José F" last="Gonçalves">José F. Gonçalves</name><affiliation><nlm:affiliation>Laboratorio de Limnologia/AquaRiparia, Departamento de Ecologia, IB, Universidade de Brasília, 70910-900, Brasília, Federal District, Brazil.</nlm:affiliation></affiliation></author><author><name sortKey="Helson, Julie E" sort="Helson, Julie E" uniqKey="Helson J" first="Julie E" last="Helson">Julie E. Helson</name><affiliation><nlm:affiliation>Surface and Groundwater Ecology Research Group, Department of Biological Sciences, University of Toronto at Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Iwata, Tomoya" sort="Iwata, Tomoya" uniqKey="Iwata T" first="Tomoya" last="Iwata">Tomoya Iwata</name><affiliation><nlm:affiliation>Department of Environmental Sciences, University of Yamanashi, Kofu, Yamanashi, 400-8510, Japan.</nlm:affiliation></affiliation></author><author><name sortKey="Mathooko, Jude" sort="Mathooko, Jude" uniqKey="Mathooko J" first="Jude" last="Mathooko">Jude Mathooko</name><affiliation><nlm:affiliation>Department of Biological Sciences, Egerton University, PO Box 536, Egerton, Kenya.</nlm:affiliation></affiliation></author><author><name sortKey="M Erimba, Charles" sort="M Erimba, Charles" uniqKey="M Erimba C" first="Charles" last="M'Erimba">Charles M'Erimba</name><affiliation><nlm:affiliation>Department of Biological Sciences, Egerton University, PO Box 536, Egerton, Kenya.</nlm:affiliation></affiliation></author><author><name sortKey="Pringle, Catherine M" sort="Pringle, Catherine M" uniqKey="Pringle C" first="Catherine M" last="Pringle">Catherine M. Pringle</name><affiliation><nlm:affiliation>Odum School of Ecology, University of Georgia, 30602, Athens, GA, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Ramirez, Alonso" sort="Ramirez, Alonso" uniqKey="Ramirez A" first="Alonso" last="Ramírez">Alonso Ramírez</name><affiliation><nlm:affiliation>Department of Environmental Science, University of Puerto Rico, Río Piedras, San Juan, Puerto Rico, 00919, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Swan, Christopher M" sort="Swan, Christopher M" uniqKey="Swan C" first="Christopher M" last="Swan">Christopher M. Swan</name><affiliation><nlm:affiliation>Department of Geography and Environmental Systems, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Yule, Catherine M" sort="Yule, Catherine M" uniqKey="Yule C" first="Catherine M" last="Yule">Catherine M. Yule</name><affiliation><nlm:affiliation>School of Science, Monash University, Jalan Lagoon Selatan, Bandar Sunway, Selangor, 47500, Malaysia.</nlm:affiliation></affiliation></author><author><name sortKey="Pearson, Richard G" sort="Pearson, Richard G" uniqKey="Pearson R" first="Richard G" last="Pearson">Richard G. Pearson</name><affiliation><nlm:affiliation>College of Science and Engineering, James Cook University, Townsville, 4811, QLD, Australia.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2017">2017</date><idno type="RBID">pubmed:28874830</idno><idno type="pmid">28874830</idno><idno type="doi">10.1038/s41598-017-10640-3</idno><idno type="wicri:Area/PubMed/Corpus">000511</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000511</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Riparian plant litter quality increases with latitude.</title><author><name sortKey="Boyero, Luz" sort="Boyero, Luz" uniqKey="Boyero L" first="Luz" last="Boyero">Luz Boyero</name><affiliation><nlm:affiliation>Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain. luz.boyero@ehu.eus.</nlm:affiliation></affiliation></author><author><name sortKey="Graca, Manuel A S" sort="Graca, Manuel A S" uniqKey="Graca M" first="Manuel A S" last="Graça">Manuel A S. Graça</name><affiliation><nlm:affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Tonin, Alan M" sort="Tonin, Alan M" uniqKey="Tonin A" first="Alan M" last="Tonin">Alan M. Tonin</name><affiliation><nlm:affiliation>Laboratorio de Limnologia/AquaRiparia, Departamento de Ecologia, IB, Universidade de Brasília, 70910-900, Brasília, Federal District, Brazil.</nlm:affiliation></affiliation></author><author><name sortKey="Perez, Javier" sort="Perez, Javier" uniqKey="Perez J" first="Javier" last="Pérez">Javier Pérez</name><affiliation><nlm:affiliation>Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain.</nlm:affiliation></affiliation></author><author><name sortKey="J Swafford, Andrew" sort="J Swafford, Andrew" uniqKey="J Swafford A" first="Andrew" last="J Swafford">Andrew J Swafford</name><affiliation><nlm:affiliation>Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA, 93106, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Ferreira, Ver Nica" sort="Ferreira, Ver Nica" uniqKey="Ferreira V" first="Ver Nica" last="Ferreira">Ver Nica Ferreira</name><affiliation><nlm:affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Landeira Dabarca, Andrea" sort="Landeira Dabarca, Andrea" uniqKey="Landeira Dabarca A" first="Andrea" last="Landeira-Dabarca">Andrea Landeira-Dabarca</name><affiliation><nlm:affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="A Alexandrou, Markos" sort="A Alexandrou, Markos" uniqKey="A Alexandrou M" first="Markos" last="A Alexandrou">Markos A Alexandrou</name><affiliation><nlm:affiliation>Wildlands Conservation Science, LLC, P.O. Box 1846, Lompoc, CA, 93438, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Gessner, Mark O" sort="Gessner, Mark O" uniqKey="Gessner M" first="Mark O" last="Gessner">Mark O. Gessner</name><affiliation><nlm:affiliation>Department of Experimental Limnology, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), 16775, Stechlin, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Mckie, Brendan G" sort="Mckie, Brendan G" uniqKey="Mckie B" first="Brendan G" last="Mckie">Brendan G. Mckie</name><affiliation><nlm:affiliation>Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, SE-75007, Uppsala, Sweden.</nlm:affiliation></affiliation></author><author><name sortKey="Albari O, Ricardo J" sort="Albari O, Ricardo J" uniqKey="Albari O R" first="Ricardo J" last="Albari O">Ricardo J. Albari O</name><affiliation><nlm:affiliation>Laboratorio de Fotobiología, INIBIOMA, CONICET, Universidad Nacional Comahue, Quintral 1250, 8400, Bariloche, Argentina.</nlm:affiliation></affiliation></author><author><name sortKey="Barmuta, Leon A" sort="Barmuta, Leon A" uniqKey="Barmuta L" first="Leon A" last="Barmuta">Leon A. Barmuta</name><affiliation><nlm:affiliation>School of Biological Sciences, University of Tasmania, Private Bag 55, Hobart, Tasmania, 7001, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Callisto, Marcos" sort="Callisto, Marcos" uniqKey="Callisto M" first="Marcos" last="Callisto">Marcos Callisto</name><affiliation><nlm:affiliation>Laboratorio de Ecologia de Bentos, Departamento Biologia Geral, ICB, Universidade Federal de Minas Gerais, 30161-970, Belo Horizonte, MG, Brazil.</nlm:affiliation></affiliation></author><author><name sortKey="Chara, Julian" sort="Chara, Julian" uniqKey="Chara J" first="Julián" last="Chará">Julián Chará</name><affiliation><nlm:affiliation>Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria (CIPAV), Carrera 25 No. 6-62, Cali, Colombia.</nlm:affiliation></affiliation></author><author><name sortKey="Chauvet, Eric" sort="Chauvet, Eric" uniqKey="Chauvet E" first="Eric" last="Chauvet">Eric Chauvet</name><affiliation><nlm:affiliation>EcoLab, Université de Toulouse, CNRS, INP, UPS, 118 Route de Narbonne, 31062, Toulouse, France.</nlm:affiliation></affiliation></author><author><name sortKey="Col N Gaud, Checo" sort="Col N Gaud, Checo" uniqKey="Col N Gaud C" first="Checo" last="Col N-Gaud">Checo Col N-Gaud</name><affiliation><nlm:affiliation>Department of Biology, Georgia Southern University, Statesboro, Georgia, 30458, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Dudgeon, David" sort="Dudgeon, David" uniqKey="Dudgeon D" first="David" last="Dudgeon">David Dudgeon</name><affiliation><nlm:affiliation>School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, SAR, China.</nlm:affiliation></affiliation></author><author><name sortKey="Encalada, Andrea C" sort="Encalada, Andrea C" uniqKey="Encalada A" first="Andrea C" last="Encalada">Andrea C. Encalada</name><affiliation><nlm:affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Figueroa, Ricardo" sort="Figueroa, Ricardo" uniqKey="Figueroa R" first="Ricardo" last="Figueroa">Ricardo Figueroa</name><affiliation><nlm:affiliation>Facultad de Ciencias Ambientales y Centro de Recursos Hidricos para la Agricultura y la Minería, Universidad de Concepción, Concepción, Chile.</nlm:affiliation></affiliation></author><author><name sortKey="Flecker, Alexander S" sort="Flecker, Alexander S" uniqKey="Flecker A" first="Alexander S" last="Flecker">Alexander S. Flecker</name><affiliation><nlm:affiliation>Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, 14853, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Fleituch, Tadeusz" sort="Fleituch, Tadeusz" uniqKey="Fleituch T" first="Tadeusz" last="Fleituch">Tadeusz Fleituch</name><affiliation><nlm:affiliation>Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, 31-120, Kraków, Poland.</nlm:affiliation></affiliation></author><author><name sortKey="Frainer, Andre" sort="Frainer, Andre" uniqKey="Frainer A" first="André" last="Frainer">André Frainer</name><affiliation><nlm:affiliation>Department of Ecology and Environmental Science, Umeå University, Umeå, Sweden.</nlm:affiliation></affiliation></author><author><name sortKey="Goncalves, Jose F" sort="Goncalves, Jose F" uniqKey="Goncalves J" first="José F" last="Gonçalves">José F. Gonçalves</name><affiliation><nlm:affiliation>Laboratorio de Limnologia/AquaRiparia, Departamento de Ecologia, IB, Universidade de Brasília, 70910-900, Brasília, Federal District, Brazil.</nlm:affiliation></affiliation></author><author><name sortKey="Helson, Julie E" sort="Helson, Julie E" uniqKey="Helson J" first="Julie E" last="Helson">Julie E. Helson</name><affiliation><nlm:affiliation>Surface and Groundwater Ecology Research Group, Department of Biological Sciences, University of Toronto at Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Iwata, Tomoya" sort="Iwata, Tomoya" uniqKey="Iwata T" first="Tomoya" last="Iwata">Tomoya Iwata</name><affiliation><nlm:affiliation>Department of Environmental Sciences, University of Yamanashi, Kofu, Yamanashi, 400-8510, Japan.</nlm:affiliation></affiliation></author><author><name sortKey="Mathooko, Jude" sort="Mathooko, Jude" uniqKey="Mathooko J" first="Jude" last="Mathooko">Jude Mathooko</name><affiliation><nlm:affiliation>Department of Biological Sciences, Egerton University, PO Box 536, Egerton, Kenya.</nlm:affiliation></affiliation></author><author><name sortKey="M Erimba, Charles" sort="M Erimba, Charles" uniqKey="M Erimba C" first="Charles" last="M'Erimba">Charles M'Erimba</name><affiliation><nlm:affiliation>Department of Biological Sciences, Egerton University, PO Box 536, Egerton, Kenya.</nlm:affiliation></affiliation></author><author><name sortKey="Pringle, Catherine M" sort="Pringle, Catherine M" uniqKey="Pringle C" first="Catherine M" last="Pringle">Catherine M. Pringle</name><affiliation><nlm:affiliation>Odum School of Ecology, University of Georgia, 30602, Athens, GA, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Ramirez, Alonso" sort="Ramirez, Alonso" uniqKey="Ramirez A" first="Alonso" last="Ramírez">Alonso Ramírez</name><affiliation><nlm:affiliation>Department of Environmental Science, University of Puerto Rico, Río Piedras, San Juan, Puerto Rico, 00919, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Swan, Christopher M" sort="Swan, Christopher M" uniqKey="Swan C" first="Christopher M" last="Swan">Christopher M. Swan</name><affiliation><nlm:affiliation>Department of Geography and Environmental Systems, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Yule, Catherine M" sort="Yule, Catherine M" uniqKey="Yule C" first="Catherine M" last="Yule">Catherine M. Yule</name><affiliation><nlm:affiliation>School of Science, Monash University, Jalan Lagoon Selatan, Bandar Sunway, Selangor, 47500, Malaysia.</nlm:affiliation></affiliation></author><author><name sortKey="Pearson, Richard G" sort="Pearson, Richard G" uniqKey="Pearson R" first="Richard G" last="Pearson">Richard G. Pearson</name><affiliation><nlm:affiliation>College of Science and Engineering, James Cook University, Townsville, 4811, QLD, Australia.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Scientific reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Plant litter represents a major basal resource in streams, where its decomposition is partly regulated by litter traits. Litter-trait variation may determine the latitudinal gradient in decomposition in streams, which is mainly microbial in the tropics and detritivore-mediated at high latitudes. However, this hypothesis remains untested, as we lack information on large-scale trait variation for riparian litter. Variation cannot easily be inferred from existing leaf-trait databases, since nutrient resorption can cause traits of litter and green leaves to diverge. Here we present the first global-scale assessment of riparian litter quality by determining latitudinal variation (spanning 107°) in litter traits (nutrient concentrations; physical and chemical defences) of 151 species from 24 regions and their relationships with environmental factors and phylogeny. We hypothesized that litter quality would increase with latitude (despite variation within regions) and traits would be correlated to produce 'syndromes' resulting from phylogeny and environmental variation. We found lower litter quality and higher nitrogen:phosphorus ratios in the tropics. Traits were linked but showed no phylogenetic signal, suggesting that syndromes were environmentally determined. Poorer litter quality and greater phosphorus limitation towards the equator may restrict detritivore-mediated decomposition, contributing to the predominance of microbial decomposers in tropical streams.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">28874830</PMID><DateCreated><Year>2017</Year><Month>09</Month><Day>06</Day></DateCreated><DateRevised><Year>2017</Year><Month>09</Month><Day>10</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">2045-2322</ISSN><JournalIssue CitedMedium="Internet"><Volume>7</Volume><Issue>1</Issue><PubDate><Year>2017</Year><Month>Sep</Month><Day>05</Day></PubDate></JournalIssue><Title>Scientific reports</Title><ISOAbbreviation>Sci Rep</ISOAbbreviation></Journal><ArticleTitle>Riparian plant litter quality increases with latitude.</ArticleTitle><Pagination><MedlinePgn>10562</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/s41598-017-10640-3</ELocationID><Abstract><AbstractText>Plant litter represents a major basal resource in streams, where its decomposition is partly regulated by litter traits. Litter-trait variation may determine the latitudinal gradient in decomposition in streams, which is mainly microbial in the tropics and detritivore-mediated at high latitudes. However, this hypothesis remains untested, as we lack information on large-scale trait variation for riparian litter. Variation cannot easily be inferred from existing leaf-trait databases, since nutrient resorption can cause traits of litter and green leaves to diverge. Here we present the first global-scale assessment of riparian litter quality by determining latitudinal variation (spanning 107°) in litter traits (nutrient concentrations; physical and chemical defences) of 151 species from 24 regions and their relationships with environmental factors and phylogeny. We hypothesized that litter quality would increase with latitude (despite variation within regions) and traits would be correlated to produce 'syndromes' resulting from phylogeny and environmental variation. We found lower litter quality and higher nitrogen:phosphorus ratios in the tropics. Traits were linked but showed no phylogenetic signal, suggesting that syndromes were environmentally determined. Poorer litter quality and greater phosphorus limitation towards the equator may restrict detritivore-mediated decomposition, contributing to the predominance of microbial decomposers in tropical streams.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Boyero</LastName><ForeName>Luz</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain. luz.boyero@ehu.eus.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>IKERBASQUE, Basque Foundation for Science, Bilbao, 48013, Spain. luz.boyero@ehu.eus.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Science and Engineering, James Cook University, Townsville, 4811, QLD, Australia. luz.boyero@ehu.eus.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Doñana Biological Station (EBD-CSIC), Sevilla, 41092, Spain. luz.boyero@ehu.eus.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Graça</LastName><ForeName>Manuel A S</ForeName><Initials>MAS</Initials><AffiliationInfo><Affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Tonin</LastName><ForeName>Alan M</ForeName><Initials>AM</Initials><AffiliationInfo><Affiliation>Laboratorio de Limnologia/AquaRiparia, Departamento de Ecologia, IB, Universidade de Brasília, 70910-900, Brasília, Federal District, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pérez</LastName><ForeName>Javier</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>J Swafford</LastName><ForeName>Andrew</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA, 93106, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ferreira</LastName><ForeName>Verónica</ForeName><Initials>V</Initials><AffiliationInfo><Affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Landeira-Dabarca</LastName><ForeName>Andrea</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Ecology and Animal Biology, University of Vigo, 36330, Vigo, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>A Alexandrou</LastName><ForeName>Markos</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Wildlands Conservation Science, LLC, P.O. Box 1846, Lompoc, CA, 93438, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gessner</LastName><ForeName>Mark O</ForeName><Initials>MO</Initials><AffiliationInfo><Affiliation>Department of Experimental Limnology, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), 16775, Stechlin, Germany.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Ecology, Berlin Institute of Technology (TU Berlin), 10587, Berlin, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>McKie</LastName><ForeName>Brendan G</ForeName><Initials>BG</Initials><AffiliationInfo><Affiliation>Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, SE-75007, Uppsala, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Albariño</LastName><ForeName>Ricardo J</ForeName><Initials>RJ</Initials><AffiliationInfo><Affiliation>Laboratorio de Fotobiología, INIBIOMA, CONICET, Universidad Nacional Comahue, Quintral 1250, 8400, Bariloche, Argentina.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Barmuta</LastName><ForeName>Leon A</ForeName><Initials>LA</Initials><AffiliationInfo><Affiliation>School of Biological Sciences, University of Tasmania, Private Bag 55, Hobart, Tasmania, 7001, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Callisto</LastName><ForeName>Marcos</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Laboratorio de Ecologia de Bentos, Departamento Biologia Geral, ICB, Universidade Federal de Minas Gerais, 30161-970, Belo Horizonte, MG, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chará</LastName><ForeName>Julián</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria (CIPAV), Carrera 25 No. 6-62, Cali, Colombia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chauvet</LastName><ForeName>Eric</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>EcoLab, Université de Toulouse, CNRS, INP, UPS, 118 Route de Narbonne, 31062, Toulouse, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Colón-Gaud</LastName><ForeName>Checo</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Biology, Georgia Southern University, Statesboro, Georgia, 30458, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dudgeon</LastName><ForeName>David</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, SAR, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Encalada</LastName><ForeName>Andrea C</ForeName><Initials>AC</Initials><AffiliationInfo><Affiliation>MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, PT-3001-401, Coimbra, Portugal.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Laboratorio de Ecología Acuática, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Campus Cumbayá, P.O. Box 17, 1200 841, Quito, Ecuador.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Figueroa</LastName><ForeName>Ricardo</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Facultad de Ciencias Ambientales y Centro de Recursos Hidricos para la Agricultura y la Minería, Universidad de Concepción, Concepción, Chile.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Flecker</LastName><ForeName>Alexander S</ForeName><Initials>AS</Initials><AffiliationInfo><Affiliation>Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, 14853, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fleituch</LastName><ForeName>Tadeusz</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, 31-120, Kraków, Poland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Frainer</LastName><ForeName>André</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Department of Ecology and Environmental Science, Umeå University, Umeå, Sweden.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Arctic and Marine Biology, UiT The Arctic University of Norway, 9037, Tromsø, Norway.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gonçalves</LastName><ForeName>José F</ForeName><Initials>JF</Initials><Suffix>Jr</Suffix><AffiliationInfo><Affiliation>Laboratorio de Limnologia/AquaRiparia, Departamento de Ecologia, IB, Universidade de Brasília, 70910-900, Brasília, Federal District, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Helson</LastName><ForeName>Julie E</ForeName><Initials>JE</Initials><AffiliationInfo><Affiliation>Surface and Groundwater Ecology Research Group, Department of Biological Sciences, University of Toronto at Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Iwata</LastName><ForeName>Tomoya</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Department of Environmental Sciences, University of Yamanashi, Kofu, Yamanashi, 400-8510, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mathooko</LastName><ForeName>Jude</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, Egerton University, PO Box 536, Egerton, Kenya.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>M'Erimba</LastName><ForeName>Charles</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, Egerton University, PO Box 536, Egerton, Kenya.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pringle</LastName><ForeName>Catherine M</ForeName><Initials>CM</Initials><AffiliationInfo><Affiliation>Odum School of Ecology, University of Georgia, 30602, Athens, GA, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ramírez</LastName><ForeName>Alonso</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Department of Environmental Science, University of Puerto Rico, Río Piedras, San Juan, Puerto Rico, 00919, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Swan</LastName><ForeName>Christopher M</ForeName><Initials>CM</Initials><AffiliationInfo><Affiliation>Department of Geography and Environmental Systems, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yule</LastName><ForeName>Catherine M</ForeName><Initials>CM</Initials><AffiliationInfo><Affiliation>School of Science, Monash University, Jalan Lagoon Selatan, Bandar Sunway, Selangor, 47500, Malaysia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pearson</LastName><ForeName>Richard 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