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Volume 10, Pages 1269-1281
Research Article

Metal Contents in Water, Sediment, and Oligochaeta-Chironomidae of Lake Uluabat, a Ramsar Site of Turkey*

1Biology Department, Science and Art Faculty, Eskişehir Osmangazi University, Eşkisehir, Turkey
2Applied Research Centre for Environmental Problems, Anadolu University, Eskişehir, Turkey

Received 11 August 2009; Revised 11 May 2010; Accepted 11 May 2010

Academic Editor: Lars Sonesten

Copyright © 2010 Naime Arslan et al.


Samples of lake water and sediment, and sediment and two dominant zoobenthic taxa (Oligochaeta: Potamothrix hammoniensis and Chironomidae: Chironomus [Camptochironomus] tentans larvae), were collected from 12 stations in Lake Uluabat and examined from the metal level point of view (cadmium, chromium, lead, copper, nickel, and zinc). Our results showed that the occurence of metals in water, sediment, and the two zoobenthic taxa are relatively high. The opinion that supports the results of Lake Uluabat shows that certain species of oligochaetes and chironomids accumulate examined metals several times over compared to their surroundings. Therefore, it is concluded that the oligochaetes and the chironomids are suitable candidates to be used in biomonitoring surveys of Lake Uluabat.