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Contemporary Problems of Ecology

2004 year, number 4

Changes in Population and Behavioural Response of Lumbricus rubellus Hoffmeister Earthworms under Soil Pollution with Oil

K. S. KOZLOV, A. G. KARTASHEV

Abstract

Earthworms are biological indicators of the territories polluted with oil and oil products. The goal of the present work was investigation of the regularities in behavioural responses and changes in the Lumbricus rubellus H. earthworm population under the effect of different doses of crude oil under laboratory conditions. The survival of the earthworms is established depending on oil concentration. LD50 calculated analytically is achieved under the conditions of continuous pollution of the soil profile at 29 g of crude oil per 1 kg of substrate.