Experimental study of the effect of oil on some representatives of benthos in the Caspian Sea
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Experimental studies of the influence of crude oil on the bottom fauna of the Caspian Sea were carried out in 1970-1971 at Artem Island 86 km from Baku. The investigated species on the sensitivity to oil contamination are divided into 3 groups: more sensitive species —Ch. albidus; the sensitive -C. lamarcki, N. elinguis; and less sensitive species —N. diversicolor, P. dubia andA. ovata. Under high concentrations of oil (higher than 3 to 5 mg1−1) the animals initially do not change weight and then they lose weight and perish. In a weak solution of oil (below 1 mg−1) a speed up in normal evolution, growth, and reproduction took place in the animals.
KeywordsExperimental Study Weak Solution Normal Evolution Sensitive Species Bottom Fauna
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