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Habitat-specific benthic metabolism in a Mediterranean-type intermittent stream

2016Journal article Open access
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dc.contributor.authorSroczynska, Katarzyna
dc.contributor.authorClaro, Marilia
dc.contributor.authorRange, Pedro
dc.contributor.authorWasiak, Katarzyna
dc.contributor.authorWojtal-Frankiewicz, Adrianna
dc.contributor.authorBen-Hamadou, Radhouan
dc.contributor.authorLeitĂŁo, Francisco
dc.contributor.authorChĂ­charo, LuĂ­s
dc.date.accessioned2017-04-07T15:57:24Z
dc.date.available2017-04-07T15:57:24Z
dc.date.issued2016
dc.description.abstractA modified flow-through chamber method was used to measure gross primary production (GPP), net primary production (NPP), community respiration (CR) and associated environmental variables in an intermittent Mediterranean-type stream in Southern Portugal. Three common types of in stream habitats were targeted: cobble (C), cobble covered with filamentous algae (C+A) and leaf litter (LL). NPP, GPP and CR differed significantly among all three habitats. GPP increased with chlorophyll a and, less strongly, with photosynthetic active radiation and, therefore, was highest in C+A habitat. The highest CR was in LL and its variation was best determined by ash-free dry mass (AFDM) of plant litter. Higher respiration in LL was related to heterotrophic activity and, to a lesser extent, to autotrophic respiration associated with periphyton. We observed a decrease of production efficiency of primary producers with AFDM in C+A and C habitats. Our results demonstrate that each habitat type should be considered as a discrete metabolic entity and that particular sets of environmental factors are responsible for habitat specific metabolic responses. Scaling up measurements from discrete habitat patches to the entire reach or stream should not be done by extrapolating the results of a single habitat type and will require quantification of habitat coverage, at the appropriate scale.
dc.identifier.doi10.1051/limn/2016012
dc.identifier.issn0003-4088
dc.identifier.otherAUT: LCH00360;
dc.identifier.urihttp://hdl.handle.net/10400.1/9701
dc.language.isoeng
dc.peerreviewedyes
dc.publisherEDP Sciences
dc.relationTRENDS IN PORTUGUESE COASTAL FISHERIES LANDINGS: THE ROLE OF HYDROLOGICAL PARAMETERS, OCEANOGRAPHIC FEATURES AND FISHERIES VARIABLES
dc.relation.isbasedonWOS:000383570500021
dc.subjectBenthic metabolism
dc.subjectQuarteira River Basin
dc.subjectLight and dark incubations
dc.subjectBenthic habitats
dc.titleHabitat-specific benthic metabolism in a Mediterranean-type intermittent stream
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleTRENDS IN PORTUGUESE COASTAL FISHERIES LANDINGS: THE ROLE OF HYDROLOGICAL PARAMETERS, OCEANOGRAPHIC FEATURES AND FISHERIES VARIABLES
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F63935%2F2009/PT
oaire.citation.endPage252
oaire.citation.startPage243
oaire.citation.titleAnnales de Limnologie - International Journal of Limnology
oaire.citation.volume52
person.familyNameRange
person.familyNameBen-Hamadou
person.familyNameLeitĂŁo
person.familyNameChicharo
person.givenNamePedro
person.givenNameRadhouan
person.givenNameFrancisco
person.givenNameLuis
person.identifier620214
person.identifier.ciencia-id3E1C-DBC2-42D5
person.identifier.ciencia-id6716-EE1C-B995
person.identifier.orcid0000-0002-9269-2416
person.identifier.orcid0000-0003-2686-5822
person.identifier.orcid0000-0003-4983-9782
person.identifier.orcid0000-0002-4933-2300
person.identifier.ridC-5558-2008
person.identifier.ridF-8192-2011
person.identifier.ridM-3980-2013
person.identifier.scopus-author-id57200299298
person.identifier.scopus-author-id15764751100
person.identifier.scopus-author-id7003991946
person.identifier.scopus-author-id6602881426
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a CiĂȘncia e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticle
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relation.isAuthorOfPublication2f32d19a-b0ef-4021-a7da-e67ce80fb319
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