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dc.contributor.author
Boyero, Luz  
dc.contributor.author
Pearson, Richard G.  
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Swan, Christopher M.  
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Hui, Cang  
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Albariño, Ricardo Javier  
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Arunachalam, Muthukumarasamy  
dc.contributor.author
Callisto, Marcos  
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Chará, Julián  
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Chará Serna, Ana M.  
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Chauvet, Eric  
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Cornejo, Aydeé  
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Dudgeon, David  
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Encalada, Andrea C.  
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Ferreira, Verónica  
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Gessner, Mark O.  
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Gonçalves Jr. , José F.  
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Graça, Manuel A. S.  
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Helson, Julie E.  
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Mathooko, Jude M.  
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McKie, Brendan G.  
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Moretti, Marcelo S.  
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Yule, Catherine M.  
dc.date.available
2017-01-23T20:55:11Z  
dc.date.issued
2015-09  
dc.identifier.citation
Boyero, Luz; Pearson, Richard G.; Swan, Christopher M.; Hui, Cang; Albariño, Ricardo Javier; et al.; Latitudinal gradient of nestedness and its potential drivers in stream detritivores; Wiley; Ecography; 38; 9; 9-2015; 949-955  
dc.identifier.issn
0906-7590  
dc.identifier.uri
http://hdl.handle.net/11336/11734  
dc.description.abstract
Understanding what mechanisms shape the diversity and composition of biological assemblages across broad-scale gradients is central to ecology. Litter-consuming detritivorous invertebrates in streams show an unusual diversity gradient, with a-diversity increasing towards high latitudes but no trend in g-diversity. We hypothesized this pattern to be related to shifts in nestedness and several ecological processes shaping their assemblages (dispersal, environmental filtering and competition). We tested this hypothesis, using a global dataset, by examining latitudinal trends in nestedness and several indicators of the above processes along the latitudinal gradient. Our results suggest that strong environmental filtering and low dispersal in the tropics lead to often species-poor local detritivore assemblages, nested in richer regional assemblages. At higher latitudes, dispersal becomes stronger, disrupting the nested assemblage structure and resulting in local assemblages that are generally more species-rich and non-nested subsets of the regional species pools. Our results provide evidence that mechanisms underlying assemblage composition and diversity of stream litter-consuming detritivores shift across latitudes, and provide an explanation for their unusual pattern of increasing a-diversity with latitude. When we repeated these analyses for whole invertebrate assemblages of leaf litter and for abundant taxa showing reverse or no diversity gradients we found no latitudinal patterns, suggesting that function-based rather than taxon-based analyses of assemblages may help elucidate the mechanisms behind diversity gradients.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Wiley  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Stream Detritivores  
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Latitudinal Gradients  
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Spatial Nestedness  
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Leaf Litter Dynamics  
dc.subject.classification
Ecología  
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Ciencias Biológicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Latitudinal gradient of nestedness and its potential drivers in stream detritivores  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2016-12-12T14:34:42Z  
dc.journal.volume
38  
dc.journal.number
9  
dc.journal.pagination
949-955  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Londres  
dc.description.fil
Fil: Boyero, Luz. Universidad del Pais Vasco; España. Basque Foundation for Science; España. Doñana Biological Station; España  
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Fil: Pearson, Richard G.. James Cook University; Australia  
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Fil: Swan, Christopher M.. University of Maryland; Estados Unidos  
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Fil: Hui, Cang. University of Stellenbosch; Sudáfrica. African Inst.itute for Mathematical Sciences; Sudáfrica  
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Fil: Albariño, Ricardo Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; Argentina  
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Fil: Arunachalam, Muthukumarasamy. Manonmainam Sundaranar University; India  
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Fil: Callisto, Marcos. Universidade Federal do Minas Gerais; Brasil  
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Fil: Chará, Julián. Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria; Colombia  
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Fil: Chará Serna, Ana M.. Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria; Colombia  
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Fil: Chauvet, Eric. Universite de Toulose - Le Mirail; Francia  
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Fil: Cornejo, Aydeé. Instituto Conmemorativo Gorgas de Estudios de la Salud; Panamá  
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Fil: Dudgeon, David. University of Hong Kong; China  
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Fil: Encalada, Andrea C.. Universidad San Francisco de Quito; Ecuador  
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Fil: Ferreira, Verónica. Universidad de Coimbra; Portugal  
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Fil: Gessner, Mark O.. Leibniz - Institute Of Freshwater Ecology And Inland Fisheries; Alemania. Berlin Institute of Technology; Alemania  
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Fil: Gonçalves Jr. , José F.. Universidade Do Brasilia; Brasil  
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Fil: Graça, Manuel A. S.. Universidad de Coimbra; Portugal  
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Fil: Helson, Julie E.. University Of Toronto; Canadá  
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Fil: Mathooko, Jude M.. Egerton University; Canadá  
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Fil: McKie, Brendan G.. Swedish University of Agricultural Sciences; Suecia  
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Fil: Moretti, Marcelo S.. University of Vila Velha; Brasil  
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Fil: Yule, Catherine M.. Monash University; Australia  
dc.journal.title
Ecography  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/ecog.00982/full  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/ecog.00982