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dc.contributor.authorPociecha, Agnieszka-
dc.contributor.authorWojtal, Agata Z.-
dc.contributor.authorSzarek-Gwiazda, Ewa-
dc.contributor.authorCieplok, Anna-
dc.contributor.authorCiszewski, Dariusz-
dc.contributor.authorKownacki, Andrzej-
dc.identifier.citationWater, Vol. 11 (2019), Art. No. 810pl_PL
dc.description.abstractMining is recognized to deeply influence invertebrate assemblages in aquatic systems, but di erent invertebrates respond in di erent ways to mining cessation. Here, we document the response of the cladoceran assemblage of the Chechło river, S. Poland (southern Poland) to the cessation of Pb-Zn ore mining. The aquatic system includes the river and associated subsidence ponds in the valley. Some ponds were contaminated during the period of mining, which ceased in 2009, while one of the ponds only appeared after mining had stopped. We used Cladocera to reveal how the cessation of mine water discharge reflected on the structure and density of organisms. A total of 20 Cladocera taxa were identified in the sediment of subsidence ponds. Their density ranged from 0 to 109 ind./1 cm3. The concentrations of Zn, Cd, Cu and Pb were much higher in sediments of the ponds formed during peak mining than in the ponds formed after the closure of the mine. Statistical analysis (CCA) showed that Alonella nana, Alona a nis, Alona sp. and Pleuroxus sp. strongly correlated with pond age and did not tolerate high concentrations of heavy metals (Cu and Cd). This analysis indicated that the rate of water exchange by the river flow and the presence of aquatic plants, a ect species composition more than pond age itself.pl_PL
dc.rightsUznanie autorstwa 3.0 Polska*
dc.subjectZn-Pb mainepl_PL
dc.subjectheavy metalspl_PL
dc.subjectCCA analysespl_PL
dc.subjectanthropogenic impactpl_PL
dc.titleResponse of Cladocera Fauna to Heavy Metal Pollution, Based on Sediments from Subsidence Ponds Downstream of a Mine Discharge (S. Poland)pl_PL
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