Stratification and horizontal exchange in Lake Victoria, East Africa
نویسندگان
چکیده
منابع مشابه
Determination of Heavy Metal Content in Water, Sediment and Microalgae from Lake Victoria, East Africa
Lake Victoria, which is the largest fresh water lake in Africa, represents a unique ecosystem that has the largest fresh water fishery in the continent. However, increased anthropogenic activities has increased the potential pollution of the lake especially the heavy metal pollutants which may be toxic to humans and aquatic fauna. There is need therefore for continuous monitoring of pollution l...
متن کاملA review of mercury in Lake Victoria, East Africa: implications for human and ecosystem health.
Lake Victoria, East Africa, has been the site of many recent studies measuring mercury (Hg) concentrations in water, fish, sediment, soil, and humans. Most of these studies were motivated by concerns about Hg contamination from processing of gold ore on the southern shores. Total Hg (THg) concentrations in fish were usually below permissible World Health Organization (WHO) concentrations and in...
متن کاملDistribution of Cr, Pb, Cd, Zn, Fe and Mn in Lake Victoria sediments, east Africa.
The presence of many metals at trace or ultra-trace levels in the human environment has received increased global attention (WHO 1977; Hutton 1982; IRPTC 1984). Surveillance of concentrations of heavy metals in the environment is of global interest since elements like cadmium, lead and mercury are listed as environmenta]ly dangerous chemical substances. Sediments as a sink for pollutants are wi...
متن کاملMitigation of environmental problems in Lake Victoria, East Africa: causal chain and policy options analyses.
Lake Victoria is an international waterbody that offers the riparian communities a large number of extremely important environmental services. Over the past three decades or so, the lake has come under increasing and considerable pressure from a variety of interlinked human activities such as overfishing, species introductions, industrial pollution, eutrophication, and sedimentation. In this pa...
متن کاملMercury Concentrations in Water, Sediment, and Biota from Lake Victoria, East Africa
Lake Victoria, East Africa, is the site of the world’s most productive freshwater fishery. Mercury in muscle tissue of the 2+ and 3+ year old Nile perch (Lates niloticus), presently the largest constituent of the fishery, was 90 to 250 ng /g wet weight. This is similar to the range of mercury in fish muscle reported for the commercial fish of the Laurentian Great Lakes (140 to 320 ng/g). The av...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Limnology and Oceanography
سال: 2014
ISSN: 0024-3590
DOI: 10.4319/lo.2014.59.6.1805