Cadmium and Lead Levels of Loons Wintering in Korea

We investigated Cd and Pb accumulation levels in tissues of 25 individuals of three species ofloons wintering in coastal areas of Busan, Korea. Their liver, muscle, kidney and bone tissues were analyzed for Cd and Pb concentrations. Significant difference of Cd and Pb concentrations was not found among the three species (p>0.05). Individual Cd values ranged from 0.02 to 18.3μg/g. Cd concentrations were highest in kidney and lowest in bone. Levels (3.45～6.34μg/g) of all the analyzed liver Cd were similar in comparison with those (ND～7.1 μg/g) reported for the loons in different areas. All but one (Gavia arctica) of kidney Cd levels were lower than the exposed level (>30μg/g). Individual Pb values ranged from 0.03 to 1.49μg/g. Pb concentrations were highest in bone and lowest in muscle. Liver Pb levels in this study were similar to those of normal loons reported from different countries. Based on hepatic Pb levels, almost all of the samples were classified as background level (0.15～3.0μg/g).

keywords: Arctic loon, Heavy metals, Pacific loon, Red-throated loon, Seabirds김상진 등 J. Ecol. Field Biol.- 29 (6) 540있다. 그러므로 철새의 월동지에서 오염물질의 노출 정도를 파악하는 일은 해당 종의 개체군 동태를 이해하는데 매우 중요한 요소라고 할 수 있다 .따라서 본 연구는 우리나라에서 아비류의 월동지인 부산 연안에서 수집한 아비류 3종을 대상으로 체내 조직 중 카드뮴

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Article Contents

Vol.29 No.6

Cadmium and Lead Levels of Loons Wintering in Korea

Abstract

Reference

Journal of Ecology and Environment