Evaluation of ecological risk analysis for benthic macroinvertebrates in paddy fields in the Meric-Ergene River Basin (Turkish Thrace)

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dc.contributor.authorAydin, Gazel Burcu
dc.contributor.authorCamur-Elipek, Belgin
dc.date.accessioned2024-06-12T10:54:23Z
dc.date.available2024-06-12T10:54:23Z
dc.date.issued2022
dc.departmentTrakya Üniversitesien_US
dc.description.abstractBenthic macroinvertebrates are very important components of aquatic environments, and monitoring their population dynamics helps us understand the effects of environmental factors on ecosystems. This study aimed to determine the dynamics of benthic macroinvertebrate fauna in paddy fields in the Meric-Ergene River Basin (Turkish Thrace region) by investigating some physicochemical environmental parameters that may affect its distribution. For this purpose, water and sediment samples were collected from paddy fields in the study area during the cultivation season, including spring, summer and autumn of 2016, taking into account the water resources that supply the rice fields (artesian water, the Meric River, the Ergene River and Meric-Ergene mixed water). A total of 47 taxa (on average 8953 individuals per m(2)) were identified at the study sites. Water samples were analyzed to determine water temperature, pH, conductivity, salinity, total dissolved solids, calcium, magnesium, total hardness, nitrite nitrogen, nitrate nitrogen, phosphate, sulfate, dissolved oxygen and pesticides, and sediment samples were analyzed to determine the content of some heavy metals, including Cd, Ni, Cu, and Mn. The biological risk index (mERM-Q) and the potential ecological risk index (RI) were applied to the data and a hypothetical ecological risk analysis was conducted using our data and data available in the literature to assess the ecological risk profile of the ecosystem based on benthic macroinvertebrates. To this end, environmental factors were grouped based on the literature as heavy metals (S1), nutrients (S2), other physicochemical parameters (S3) and pesticides (S4), while organisms were grouped as Oligochaeta, Chironomidae, Insecta and others based on the dynamics of benthic macroinvertebrates to assess pressure factors. As a result, pesticides (S4) were found to exert the strongest ecological pressure on benthic macroinvertebrate fauna in paddy fields in the Meric-Ergene River Basin.en_US
dc.identifier.doi10.26881/oandhs-2022.2.09
dc.identifier.endpage223en_US
dc.identifier.issn1730-413X
dc.identifier.issn1897-3191
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85134540538en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage212en_US
dc.identifier.urihttps://doi.org/10.26881/oandhs-2022.2.09
dc.identifier.urihttps://hdl.handle.net/20.500.14551/19029
dc.identifier.volume51en_US
dc.identifier.wosWOS:000824863600009en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWalter De Gruyter Gmbhen_US
dc.relation.ispartofOceanological And Hydrobiological Studiesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBenthic Macroinvertebratesen_US
dc.subjectEcological Risk Indexen_US
dc.subjectHypothetical Risk Analysisen_US
dc.subjectRice Fieldsen_US
dc.subjectRice Fieldsen_US
dc.subjectWateren_US
dc.subjectQualityen_US
dc.subjectCommunitiesen_US
dc.subjectAbundanceen_US
dc.subjectTurkeyen_US
dc.titleEvaluation of ecological risk analysis for benthic macroinvertebrates in paddy fields in the Meric-Ergene River Basin (Turkish Thrace)en_US
dc.typeArticleen_US

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