00979nam a2200193Ia 4500 CTU_16638 210402s9999 xx 000 0 und d 639 C569/N25 Davide Calamari CIFA technical paper N25: Review of pollution in the African aquatic environment Davide Calamari, CIFA, FAO, Heiner Naeve Rome FAO 1994 It gives advice on strategies for aquatic pollution control, including the establishment of environmental quality standards, emphasizing the use of risk assessment methodologies for arriving at site-specific environmental protection measures. The document further reviews the state of the African aquatic environment in respect of pollution by organic loads, by heavy metals and by organochlorine substances. fisheries Nguyễn Quang Điền, 970530 Trung tâm Học liệu Trường Đại học Cần Thơ