Response of community structure to sustained drought in Mediterranean rivers
dc.contributor.author
dc.date.accessioned
2016-05-09T08:32:18Z
dc.date.available
2016-05-09T08:32:18Z
dc.date.issued
2010
dc.identifier.issn
0022-1694
dc.identifier.uri
dc.description.abstract
Mediterranean rivers are characterized by frequent hydrological disturbances, including floods, droughts, and human impacts like water abstraction. During 2008 an exceptionally long drought in NE Spain was irregularly interrupted by rainfall events. We analyzed the relationships between the biological community structure with the ongoing and preceding hydrological patterns during the drought and recovery periods. We aimed: (1) to assess the role of hydrology on different biological assemblages (diatoms, macroinvertebrates and fish), (2) to determine which measures of community structure could be better related to hydrology, and (3) to determine the effects of water abstraction on river communities. Three subsets of variables (hydrological, spatial and environmental) were selected to determine the relative importance of hydrological alterations. Variation partitioning analysis and ordination methods were used to determine which subset of variables had higher effects on 20 parameters and six matrices (taxonomic and functional) of the biological communities. The analyses revealed that both parameters and matrices were significantly related to hydrological effects. Reservoirs intensified the effect of drought on downstream community composition and structure, as a result of the competition between human uses of water and environmental values
dc.description.sponsorship
The Spanish Ministry of Science and Innovation (Projects CGL2007-65549/BOS, CGL2008-05778/BOS and CGL2009-12877-C02-01 and CSD2009-00065), and the Spanish Ministry of Environment and Rural and Marine Affairs (Project VIECO; 009/RN08/011) provided additional financial support
dc.format.mimetype
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.relation
info:eu-repo/grantAgreement/MEC//CGL2007-65549/ES/EFECTOS DE EPISODIOS DE INTERRUPCION DEL FLUJO SOBRE LA CONTINUIDAD ESTRUCTURAL Y FUNCIONAL DE SISTEMAS FLUVIALES/
info:eu-repo/grantAgreement/MICINN//CGL2008-05778/ES/CONTROL BIOLOGICO EN COMUNIDADES DE LAGUNAS MEDITERRANEAS SOMERAS: LA DEPREDACION/
MICINN/PN 2010-2012/CGL2009-12877-C02-01
info:eu-repo/grantAgreement/MICINN//CSD2009-00065/ES/Evaluación y predicción de los efectos del cambio global en la cantidad y la calidad del agua en ríos ibéricos/
dc.relation.isformatof
Reproducció digital del document publicat a: http://dx.doi.org/10.1016/j.jhydrol.2010.01.014
dc.relation.ispartof
© Journal of Hydrology, 2010, vol. 383, núm.1-2, p. 135-146
dc.relation.ispartofseries
Articles publicats (D-CCAA)
dc.rights
Tots els drets reservats
dc.subject
dc.title
Response of community structure to sustained drought in Mediterranean rivers
dc.type
info:eu-repo/semantics/article
dc.rights.accessRights
info:eu-repo/semantics/embargoedAccess
dc.embargo.terms
Cap
dc.date.embargoEndDate
info:eu-repo/date/embargoEnd/2026-01-01
dc.type.version
info:eu-repo/semantics/publishedVersion
dc.identifier.doi
dc.identifier.idgrec
012710
dc.contributor.funder
dc.relation.ProjectAcronym