Heavy Metal Accumulation in Some Korean Rare Bird Species

This paper reports on Pb and Cd concentrations in the tissues of 76 individuals of 16 rare bird species found dead across Korea. In most of species, Pb concentration was higher in kidney and bone than in liver. The range of the mean liver Pb was 0.47 (Cygnus cygnus)∼3.74㎍/wet g (Asio flammeus). Based on hepatic Pb concentrations, 39 (51.3%) of the 76 individuals were classified as background level (<2㎍/wet g), 35 (46.1%) were elevated level (>2㎍/wet g) and 2 (2.6%) were poisoned level (>10㎍/wet g). These results were indicated many rare birds were suffered from chronic Pb exposure. Cd concentration was generally higher in kidney than in liver and bone. The range of the mean kidney Cd was 0.06 (Bubo bubo)∼1.75㎍/wet g (Falco subbuteo). Only one of the 76 individuals had elevated Cd concentration (>2.7㎍/wet g) in kidney. These results indicated most of rare birds had low Cd accumulations.

keywords: Background level, Cadmium, Elevated level, Lead, Poisoned level, Rare birds, 납, 비오염수준, 오염수준, 중독수준, 카드뮴, 희귀조류

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Article Contents

Vol.27 No.3

Heavy Metal Accumulation in Some Korean Rare Bird Species

Abstract

Reference

Journal of Ecology and Environment