This book provides a complete coverage of all aspects of the occurrence, toxicity and analysis of toxicants in the aqueous ecosystem. The aqueous ecosystem includes natural waters such as rivers, coastal waters and open seawater. It also includes sedimentary matter present in these waters, creatures (fish, crustacea) and plant life. Chapters dealing with toxicity measurement, control of pollution regulation and toxicity data systematically discuss metals, organometallic compounds and organic compounds. In addition, Chapters 4 and 5 deal with the effects of these types of toxicants in natural...