Bioremediation of Stranded Oil on an Arctic Shoreline

Roger C Prince , Richard E Bare , Robert M Garrett , Matthew J Grossman , Copper E Haith , Lois G Keim , Kenneth Lee , Graham J Holtom , Patrick Lambert , Gary A Sergy , Edward H Owens , Chantal C Guénette
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引用次数: 61

Abstract

The application of slow-release and soluble fertilizers proved to be an effective and environmentally benign way of stimulating oil biodegradation on an Arctic shoreline. Fertilizer application to the surface of the beach delivered nutrients to the oiled sediment beneath the beach surface. There was no significant run-off of this fertilizer to either the nearshore water or to unfertilized plots, and there were no adverse toxicological effects of the fertilizer application. The fertilizer application was followed by an increase in oxygen consumption and carbon dioxide evolution from the beach, increased microbial biomass, and significantly greater biodegradation of oil on the plots that had received fertilizer. The rate of oil biodegradation was approximately doubled over the course of a year by fertilizer applications in the first two months after the spill.

Simple test kits proved adequate to monitor the fertilizer-application process in the field in a time frame that would allow the application process to be fine-tuned during treatment on a real spill. Simple test kits and portable instrumentation were useful in demonstrating the initial success of the bioremediation strategy.

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北极海岸线搁浅石油的生物修复
事实证明,在北极海岸线上施用缓释和可溶性肥料是促进石油生物降解的一种有效和环保的方式。在海滩表面施用化肥,将营养物质输送到海滩表面下的含油沉积物中。这种肥料没有大量流失到近岸水域或未施肥的地块,施用这种肥料也没有不良的毒理学效应。施用化肥后,海滩的耗氧量和二氧化碳含量增加,微生物生物量增加,施用化肥的地块上石油的生物降解明显增加。在泄漏后的前两个月,通过施肥,石油的生物降解率在一年内大约翻了一番。事实证明,简单的测试工具足以在一定时间内监测现场施肥过程,从而在实际泄漏处理过程中对施肥过程进行微调。简单的测试试剂盒和便携式仪器在证明生物修复策略的初步成功方面是有用的。
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Editorial board Status of Fire Boom Performance Testing In Situ Burning of Spilled Oil at Sea: Research and Development Needs In Situ Burning of Spilled Oil Regional Response Team VI Guidelines for Inshore/Nearshore In Situ Burning of Spilled Oil
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