Metal concentrations in the diet and aquatic environment as mechanisms of metal accumulation in selected freshwater fish species

Autor:	Maartens, Annamien
Rok vydání:	2015
Předmět:	Freshwater fishes - Effect of water quality on - South Africa - Transvaal Freshwater fishes - Effect of water pollution on - South Africa - Transvaal Freshwater fishes - Effect of metals on - South Africa - Transvaal
Druh dokumentu:	Diplomová práce
Popis:	M.Sc. The Kruger National Park is internationally one of the best known conservation areas. The perennial rivers draining eastward towards and through the park are of great importance in maintaining a healthy ecosystem. The Olifants River catchment is the largest of all the rivers flowing through the Kruger National Park. Although this river has ceased flow for three days in 1968, problems experienced in the Olifants River are of a qualitative rather than a quantitative nature. Several factors contribute to the deteriorating water quality of the Olifants River. Urbanization, agricultural, industrial and mining activities in the Phalaborwa area pose a threat to the lower parts of the Olifants River. Pollution has on several occasions lead to mortalities of populations of fish in these parts...
Databáze:	Networked Digital Library of Theses & Dissertations
Externí odkaz:	http://hdl.handle.net/10210/14390 Zobrazit plný text záznamu