TERRESTRIAL SNAILS AS QUANTITATIVE INDICATORS OF ENVIRONMENTAL METAL POLLUTION

被引：111
作者：
BERGER, B
DALLINGER, R
机构：
[1] Institut für Zoologie der Universität Innsbruck, Innsbruck
来源：
ENVIRONMENTAL MONITORING AND ASSESSMENT | 1993年 / 25卷 / 01期
关键词：
D O I：
10.1007/BF00549793
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Concentrations of cadmium, lead, copper and zinc were measured in individuals of Arianta arbustorum from different urban sampling sites. In comparison to snails from a reference site, the animals collected in the city showed higher concentrations of cadmium, lead, and copper, indicating elevated levels of metal pollution. The most pronounced difference in tissue concentrations between control animals and contaminated snails was observed for lead. Within the city, metal levels in snails differed significantly, even between adjacent populations. Arianta arbustorum is a suitable species for biomonitoring, because it is widespread, resident and easy to collect; it has a high capacity for metal accumulation and shows different concentrations depending on metal contamination of the sampling area. An interspecific comparison of metal concentrations in terrestrial gastropods was conducted to define background levels and classes of burden. Three pollution levels are distinguished on the basis of the snails' metal burden: no pollution (class 1: reference sites), moderate (class 2: traffic and other human activities in urban areas), and high pollution (class 3: mining and heavy industry).
引用
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页码：65 / 84
页数：20
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