Assessing the Trophic Level of a Mediterranean Stream (Nif Stream, Izmir) Using Benthic Macro-Invertebrates and Environmental Variables

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dc.contributor.authorOzbek, Murat
dc.contributor.authorTasdemir, Ayse
dc.contributor.authorCil, Eylem Aydemir
dc.contributor.authorSomek, Hasim
dc.contributor.authorYildiz, Seray
dc.date.accessioned2019-10-27T09:46:11Z
dc.date.available2019-10-27T09:46:11Z
dc.date.issued2019
dc.departmentEge Üniversitesien_US
dc.description.abstractThe study was conducted in Nif Stream (Izmir) and the aims of the study are (a) to determine the benthic macro-invertebrate composition of the stream, (b) to determine environmental features of the stream, (c) to investigate the relations between the determined species and the environmental variables and (d) to assess the trophic level of the stream which was under the pressure of industry, agriculture and settlement. Samplings of macrobenthic invertebrates were performed seasonally at eight stations between October 2013 and September 2014 in addition to measuring environmental variables of the localities. 11571 specimens were investigated and totally 77 taxa were determined. Chironomidae and Oligochaeta were the higher groups in terms of species richness with 25 and 17 species, respectively. Multivariate analyses indicate that pH, Ca2+ and NO3-N were the most effective variables and explained 48.6% of the variance in the distribution and abundance of benthic macroinvertebrates in Nif Stream. Along the measured physicochemical characteristics and scores of biological indices, the upper branches of the stream have good quality water while the middle and lower parts are heavily polluted.en_US
dc.description.sponsorshipE.U. Scientific Research Council (EUSRC) [2013/SUF/24]; EUSRCen_US
dc.description.sponsorshipThis study was financially supported by E.U. Scientific Research Council (EUSRC) (Project no: 2013/SUF/24). The authors wish to thank to the crew of the staff for their help during the field studies and to EUSRC for their support.en_US
dc.identifier.doi10.4194/1303-2712-v19_3_01
dc.identifier.endpage190en_US
dc.identifier.issn1303-2712
dc.identifier.issn2149-181X
dc.identifier.issn1303-2712en_US
dc.identifier.issn2149-181Xen_US
dc.identifier.issue3en_US
dc.identifier.startpage179en_US
dc.identifier.urihttps://doi.org/10.4194/1303-2712-v19_3_01
dc.identifier.urihttps://hdl.handle.net/11454/29240
dc.identifier.volume19en_US
dc.identifier.wosWOS:000445999900001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherCentral Fisheries Research Insten_US
dc.relation.ispartofTurkish Journal of Fisheries and Aquatic Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectNif Streamen_US
dc.subjectMacro-invertebratesen_US
dc.subjectAssessmenten_US
dc.subjectWater qualityen_US
dc.subjectTurkeyen_US
dc.titleAssessing the Trophic Level of a Mediterranean Stream (Nif Stream, Izmir) Using Benthic Macro-Invertebrates and Environmental Variablesen_US
dc.typeArticleen_US

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