Effects of high pressure,hot water shore cleaning after oil spills on shore ecosystems in the Northern Baltic proper |
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| Authors: | Dag Broman Björn Ganning Cecilia Lindblad |
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| Institution: | Department of Zoology, University of Stockholm, S-106 91 Stockholm, Sweden |
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| Abstract: | The use of high pressure, hot water hosing techniques in oil spill clean-up operations on rocky and stony-gravelly shores drastically reduces the shore vegetation and macrofauna. The negative effects are more substantial than on oiled shores cleaned by raking and scraping. After one year the hot water cleaned shores were not restored completely.On rocky shores the high pressure, hot water technique is very efficient in terms of freeing the rocks from oil. However, due to its detrimental effects on shore organisms this type of oil spill clean-up operation can only be recommended for bird or wildlife protection areas. The cleanup method is inefficient on stony-gravelly shores due to penetration of oil into the ground and sediment and direct killing of shore organisms. The method should be avoided on these types of shores. |
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