Risk Analysis Of Heavy Metal Contaminated
Habitats Using A Wolf Spider, Pardosa Astrigera
(Araneae: Lycosidae)
Author(s)
M.-P. Jung, H. Kim, S.-T. Kim & J.-H. Lee
Abstract
Using biological indicators to evaluate the healthiness of ecological habitats is
increasingly important. Spiders are considered very useful candidates for this
purpose, but few studies have been conducted. This study was conducted to
investigate a relationship between heavy metal (cadmium (Cd) and lead (Pb))
contamination levels in soil habitats and their accumulations in a wolf spider,
Pardosa astrigera, and to develop a bio-evaluation system for soil risk
assessment of Cd and Pb using P. astrigera. Contents of Cd and Pb in a female
adult P. astrigera and soil were estimated in nine sites in September, 2004 in
Korea. Cd and Pb contamination levels in soil were well described by the Cd and
Pb content of female adult P. astrigera by power functions. A bio-evaluation
system is proposed for a soil risk assessment of Cd and Pb with P. astrigera
using the amount of bioaccumulation and the lethal body concentration.
Keywords: Pardosa astrigera, heavy metal, Cd, Pb, biological indicator,
bioaccumulation.
1 Introduction
The practical soil quality evaluation methodology has not been improved much
because the progress in soil ecology theory has not led to practical strategies for
soil evaluation [1]. One way of improving soil quality evaluation methods is to
develop ecological indicator systems that can be used in soil quality assessments.
Ecological indicators are useful instruments to bridge the gap between soil
science and soil regulation practice [2].
Keywords
Pardosa astrigera, heavy metal, Cd, Pb, biological indicator,
bioaccumulation.
Related Book
Other papers in this volume
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