Impacts of cage fish farms in a large reservoir on water and sediment chemistry

dc.authorid0000-0001-6475-0570en_US
dc.contributor.authorVarol, Memet
dc.date.accessioned2021-06-09T11:05:19Z
dc.date.available2021-06-09T11:05:19Z
dc.date.issued2019en_US
dc.departmentMTÖ Üniversitesi, Doğanşehir Vahap Küçük Meslek Yüksekokulu, Su Ürünleri Bölümüen_US
dc.description.abstractThe Keban Reservoir, which is the second man-made waterbody in Turkey, has the biggest rainbow trout production in the country. In this study, the impacts of rainbow trout farms on water and sediment chemistry were investigated. Water and sediment samples were taken at distances of 0, 10, 25, 50 and 100?m from the edge of the cages at the three fish farms, and at the respective reference stations. Samples were also taken at 0?m stations and reference stations in the late August when there were no fish in the cages. Physico-chemical variables and trace metals were analysed in all samples. Due to likely high dilution rates and recycling processes in the water column of the reservoir, little changes in the water quality parameters associated with wastes of the fish farms were noticed. When compared with those in the sediment samples at the stations near the edge of cages, the lower concentrations of total phosphorus (TP), total nitrogen (TN), organic matter (OM), total carbon (TC), sulfide (S2?), arsenic (As), cobalt (Co), copper (Cu), manganese (Mn) and zinc (Zn), and higher values of redox potential (Eh) were found at the reference stations. According to organic enrichment classification based on S2? and Eh values, sediments of the three fish farms in the period when there were fish in the cages fell into the oxic category, whereas sediments in the August (no fish farming activity) fell into the normal category. Also, it was found in the August that most of sediment quality parameters at the 0?m stations had close values to those at the reference stations. These results revealed that a three-month period when there were no fish in the cages allows for sediments to return to reference station conditions.en_US
dc.identifier.citationVarol, M. (January 01, 2019). Impacts of cage fish farms in a large reservoir on water and sediment chemistry. Environmental Pollution, 252, 1448-1454.en_US
dc.identifier.doi10.1016/j.envpol.2019.06.090
dc.identifier.endpage1454en_US
dc.identifier.issn0269-7491en_US
dc.identifier.issn1873-6424en_US
dc.identifier.pmid31265955
dc.identifier.scopus2-s2.0-85068040658en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1448en_US
dc.identifier.urihttps://doi.org/10.1016/j.envpol.2019.06.090
dc.identifier.urihttps://hdl.handle.net/20.500.12899/204
dc.identifier.volume252en_US
dc.identifier.wosWOS:000483405400055en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorVarol, Memet
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofEnvironmental Pollutionen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFish cagesen_US
dc.subjectEnvironmental impactsen_US
dc.subjectWater columnen_US
dc.subjectSedimenten_US
dc.subjectMetalsen_US
dc.subjectPhysico-chemical variablesen_US
dc.titleImpacts of cage fish farms in a large reservoir on water and sediment chemistryen_US
dc.typeArticleen_US

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