invertebrates

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invertebrates

Oil contaminated sediments in the North Sea: environmental effects 20 years after discharges of OBM drill cuttings

Daan, R., M. Mulder, and R. Witbaard

From Summary and Conclusions: “1. Platform L13-fe, erosion area: Slight contamination levels occurred up to at least 100 m, but to less than 250 m from the platform. Oil seems to have disappeared for the greater part after 18 years. 2.

Differential sensitivity of macrozoobenthic species to discharges of oil contaminated drill cuttings in the North Sea

Daan, R., M. Mulder, and A. Vanleeuwen

From the Abstract: “To assess the effects on macrozoobenthos of discharged drill cuttings with adhering drilling mud, monitoring studies have been performed around several drilling locations in the Dutch sector of the North Sea since 1985.

Detection of initial effects of pollution on marine benthos – an example from the Ekofisk and Eldfisk Oilfields, North Sea

Gray, J. S., K. R. Clarke, R. M. Warwick, and G. Hobbs

From the Abstract: “Reductions in number of species and diversity and increased dominance of opportunistic species occurred late in the sequence of response to oil as a stress factor (within 500 to 1000 m of discharge sources).

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