Levent BAT, Mehmet AKBULUT, Murat SEZGİN, Gamze GÖNLÜGÜR, Mehmet ÇULHA, Ayşe GÜNDOĞDU

Acute toxicity of zinc, copper and lead to three species of marine organisims from the Sinop Peninsula, Black Sea

Karadeniz'in Sinop yarımadasında yaşayan AmFipod Echinogammarus olivii, Isopod Sphaeroma serratum ve Dekapod Paiaemon elegans akut toksisite deneylerinde kullanılmıştır. Bu türler kullanılarak 96 saatlik öldürücü konsantrasyon değerleri ( $LC_{50}$ ) statik biyolojik deneylerle çinko, bakır ve kurşun için tahmin edilmiştir. E. olivii, S. serratum and P elegans türleri için bakır $LC_{50}$ değerleri sırasıyla 0.25, 1.98 ve 2.52 mg/l, çinko değerleri sırasıyla 1.30, 6.12 ve 12.3 mg/l, ve kurşun değerleri de sırasıyla 0.62, 4.61 ve 5.88 mg/l'dir. Bu türler için en toksik metal bakır olmuş ve bunu kurşun daha sonra da çinko izlemiştir. Bu sonuçlar E. olivifnin bu metallere S. serratum ve P. elegans'hra göre daha duyarlı olduğunu göstermiştir.

Çinko, bakır ve kuşunun Karadeniz'in Sinop Yarımadasında yaşayan üç deniz türüne akut toksisitesi

Acute toxicity tests were performed on Echinogammars olivii (Amphipoda), Sphaeroma serratum (Isopoda) and Paiaemon elegans (Decapoda), from the Sinop Peninsula in the Black Sea. 96-h $LC_{50}$ values vvere estimated for copper, zinc and lead in these species using the static bioassay method. The $LC_{50}$ values of Cu for E. olivii, S. serratum and P. elegans vvere 0.25, 1.98 and 2.52 mg/l, respectively. The $LC_{50}$ values of Zn for E. olivii, S. serratum and P. elegans vvere 1.30, 6.12 and 12.3 mg/l, respectively. The $LC_{50}$ values of Pb for E. olivii, S. serratum and P. elegans vvere 0.62,4.61 and 5.88 mg/l, respectively. The results indicated that Cu was more toxic to the species follovved by Pb and Zn. E. olivii vvas more sensitive to the metals than S. serratum and P. elegans.

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