Ecology and phenology of freshwater ostracods in Lake Golkoy (Bolu, Turkey)

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dc.authorid0000-0003-4712-5612
dc.contributor.authorKülköyluoğlu, Okan
dc.date.accessioned2021-06-23T19:18:13Z
dc.date.available2021-06-23T19:18:13Z
dc.date.issued2005
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Biyoloji Bölümüen_US
dc.description.abstractSeventeen ostracod species were recorded from Golkoy (Bolu, Turkey) between January 2000 and December 2001. Limnocythere inopinata is a new record for the Bolu region. Canonical Correspondence Analysis ( CCA) explained 73% of the correlation between species and environmental variables, suggesting that the occurrence of many species is temporally variable, and is related to seasonal changes in physicochemical conditions. The four most frequently occurring cosmopolitan ostracod species ( Candona neglecta, Darwinula stevensoni, Physocypria kraepelini, and Cypridopsis vidua) accounted for more than 70% of the species recorded. Water temperature, dissolved oxygen ( DO), and redox potential were the most affective variables on the species occurrence.Two species (C.vidua, I.bradyi) were positively correlated to redox potential, while such a correlation was negative for P. kraepelini. The most frequently occurring species C. neglecta was most closely related to the changes in redox potential, whereas C. vidua and D.stevensoni showed a positive correlation to water temperature. Negative strong correlation (p< 0.01) was found between pH and I. bradyi, but correlation was positive and weak for C. vidua. Some species ( e. g. L. inopinata) showed no clear relationship with any of those environmental variables. UPGMA clustering of species based on their occurrence in different. ecological conditions revealed three main species assemblages. Analysis of species phenology using the 'Ostracod Watch Model' showed that temporal patterns of occurrence could be similar among species with similar ecological preferences. The current status of the lake is discussed based on the present study. Seventeen ostracod species were recorded from Lake Golkoy (Bolu, Turkey) between January 2000 and December 2001. Limnocythere inopinata is a new record for the Bolu region. Canonical Correspondence Analysis (CCA) explained 73% of the correlation between species and environmental variables, suggesting that the occurrence of many species is temporally variable, and is related to seasonal changes in physico-chemical conditions. The four most frequently occurring cosmopolitan ostracod species (Candona neglecta, Darwinula stevensoni, Physocypria kraepelini, and Cypridopsis vidua) accounted for more than 70% of the species recorded. Water temperature, dissolved oxygen (DO), and redox potential were the most affective variables on the species occurrence. Two species (C. vidua, I. bradyi) were positively correlated to redox potential, while such a correlation was negative for P. kraepelini. The most frequently occurring species C. neglecta was most closely related to the changes in redox potential, whereas C. vidua and D. stevensoni showed a positive correlation to water temperature. Negative strong correlation (p < 0.01) was found between pH and I. bradyi, but correlation was positive and weak for C. vidua. Some species (e.g. L. inopinata) showed no clear relationship with any of those environmental variables. UPGMA clustering of species based on their occurrence in different ecological conditions revealed three main species assemblages. Analysis of species phenology using the 'Ostracod Watch Model' showed that temporal patterns of occurrence could be similar among species with similar ecological preferences. The current status of the lake is discussed based on the present study.en_US
dc.identifier.doi10.1007/s10452-005-0782-5
dc.identifier.endpage304en_US
dc.identifier.issn1386-2588
dc.identifier.issn1573-5125
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-24644476633en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage295en_US
dc.identifier.urihttps://doi.org/10.1007/s10452-005-0782-5
dc.identifier.urihttps://hdl.handle.net/20.500.12491/5671
dc.identifier.volume39en_US
dc.identifier.wosWOS:000231806000004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKülköyluoğlu, Okan
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofAquatic Ecologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCCAen_US
dc.subjectCosmopolitanen_US
dc.subjectEcologyen_US
dc.subjectOstracodaen_US
dc.subjectSeasonalityen_US
dc.subjectToleranceen_US
dc.titleEcology and phenology of freshwater ostracods in Lake Golkoy (Bolu, Turkey)en_US
dc.typeArticleen_US

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