Browsing Electronic Theses and Dissertations (ETDs) by Subject "Agricultural impacts"
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Diatoms as water quality indicators in the upper reaches of the Great Fish River, Eastern Cape
(North-West University (South Africa), 2015)The Karoo has been exposed to some form of agricultural activity since the early 1900s. This has resulted in the modification of the rivers in this region. Modifications include weirs, dams and removal of riparian vegetation ...