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The ecological role of overwintering fish in the food web of the Culbin Sands lagoon ecosystem, NE Scotland: identifying major trophic links and testing effects of the fish Pomatoschistus microps (Pallas) on benthic invertebrates

dc.contributor.authorMendonca, Vanda
dc.contributor.authorRaffaelli, David
dc.contributor.authorBoyle, Peter
dc.contributor.authorEmes, Chas
dc.date.accessioned2018-12-07T14:52:51Z
dc.date.available2018-12-07T14:52:51Z
dc.date.issued2007-12
dc.description.abstractThe Culbin Sands lagoon ecosystem in NE Scotland was studied during a three-year period (1994-1996) to identify the major trophic links from benthic invertebrates to epibenthic predators, and to assess impacts of overwintering fish on their prey communities. Every 2-4 weeks, samples of mobile fauna were collected to study their diets. The major trophic links identified between benthic invertebrates and epibenthic predators were from benthic invertebrates to the shrimp Crangon crangon, and to the common goby Pomatoschistus microps and the plaice Pleuronectes platessa. The energy flow from benthic invertebrates to overwintering fish was estimated at 133 kJ m(-2)yr(-1). A flow of 10 kJ m(-2)yr(-1) was also observed from eggs and larval stages of the overwintering shrimp Crangon crangon to the overwintering fish. Nevertheless, manipulative field experiments showed no significant impacts of the most abundant overwintering fish Pomatoschistus microps on prey community densities, despite an overall individual ingestion rate of 89 J day(-1).
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.issn0214-8358
dc.identifier.urihttp://hdl.handle.net/10400.1/11234
dc.language.isoeng
dc.peerreviewedyes
dc.publisherConsejo Superior de Investigaciones Científicas
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectShrimp crangon crangon
dc.subjectPlaice pleuronectes platessa
dc.subjectBrown shrimp
dc.subjectJuvenile plaice
dc.subjectYthan estuary
dc.subjectCommon goby
dc.subjectWadden sea
dc.subjectPredation
dc.subjectPopulation
dc.subjectMacrofauna
dc.titleThe ecological role of overwintering fish in the food web of the Culbin Sands lagoon ecosystem, NE Scotland: identifying major trophic links and testing effects of the fish Pomatoschistus microps (Pallas) on benthic invertebrates
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage660
oaire.citation.issue4
oaire.citation.startPage649
oaire.citation.titleScientia Marina
oaire.citation.volume71
person.familyNameMendonca
person.givenNameVanda
person.identifier.orcid0000-0002-8007-0898
person.identifier.ridP-3441-2017
person.identifier.scopus-author-id23392974100
rcaap.rightsopenAccess
rcaap.typearticle
relation.isAuthorOfPublication31f1c793-59c5-4cdf-ac97-085bf9698c10
relation.isAuthorOfPublication.latestForDiscovery31f1c793-59c5-4cdf-ac97-085bf9698c10

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