Bioassay and Marine Environment Management
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概要
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Bioassays play several important roles in management of marine environment ; 1) toxicological assessment and criteria setting of chemicals; 2) hazard assessment and regulations of point sources discharged into marine environment; 3)toxicological assessment of chemicals carried by ships; 4) toxicological assessment of dredged material, sediment and waste material for ocean dump; 5) monitoring of coastal waters. Recently the battery of ecotoxicological tests have become a prerequisite for chemical control law and the environmental quality standard for the protection for aquatic organisms has been established in Japan, which would reduce the land-based chemical input to marine environment. However, the toxicological databases on marine species should be developed to promote these processes. The regulations on effluents and toxicological assessment of sediments with bioassays that have been conducted in some countries would be valuable in Japan as well. To meet the increased demand for chemical assessment, various kinds of marine bioassays have been developed recently in Japan. As for the monitoring of coastal environment where chemicals have been diffused and diluted, sensitive bioassays including biomarkers are necessary. Several Japanese pioneering works of monitoring of coastal environment based on bioassay were introduced and the present problems have been discussed. Contrary to Japanese situation, bioassay has been adapted successfully as diagnostic tools for the health of ecosystem at Mediterranean and other sea. Finally, the significance of introduction of bioassay into the framework of routine coastal monitoring was highlighted and the challenges to be overcome were presented.
- 社団法人 環境科学会の論文
社団法人 環境科学会 | 論文
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