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Browsing by Author "De Klerk, Arno R"

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Aquatic ecosystems in the coal mining landscape of the upper Olifants River, and the way forward

Author: Oberholster, Paul J ; De Klerk, Arno R Date: Mar 2014 Although coal mining can bring economic benefits by stimulating the local economy of the upper Olifants River catchment and creating more employment opportunities, it can also have adverse effects on the aquatic ecosystems of this catchment. ... Read more
Baseline study of the Mokolo and Lephalala rivers in the Waterberg area

Author: De Klerk, A ; De Klerk, Arno R Date: Jul 2011 A study was conducted in the Waterberg area to characterize the aquatic macro invertebrate community structure and fish assemblages in the Mokolo and Lephalala rivers prior to the onset of increased mining activities and coal fired power ... Read more
The development of a wetland classification and risk assessment index (WCRAI) for non-wetland specialists for the management of natural freshwater wetland ecosystems

Author: Oberholster, Paul J ; McMillan, P ; Durgapersad, K ; Botha, AM ; De Klerk, Arno R Date: Feb 2014 The Wetland Classification and Risk Assessment Index (WCRAI) is based on manifestations of ecological processes in natural wetland ecosystems. The index is hierarchical in structure and is designed to allow identification and rapid assessment ... Read more
An ecotoxicological screening tool to prioritise acid mine drainage impacted streams for future restoration

Author: Oberholster, Paul J ; Genthe, Bettina ; Hobbs, P ; Cheng, Po-Hsun ; De Klerk, Arno R ; Botha, A-M Date: May 2013 Streams impacted by acid mine drainage (AMD) typically present water exhibiting low pH and high metal concentrations. These factors result in the environmental degradation of watercourses. The objective of this study was to develop and evaluate ... Read more
Habitat characteristics, hydrology and anthropogenic pollution as important factors for distribution of biota in the middle Parana River, Argentina

Author: Blettler, MCM ; Oberholster, Paul J ; Madlala, Tebogo E ; Eberle, EG ; Amsler, ML ; De Klerk, Arno R ; Truter, JC ; Marchese, MR ; Latosinski, FG ; Szupiany, R Date: Aug 2018 The regulation of anthropogenic pollution inputs into large rivers is an important aspect of ecological resilience of aquatic systems and river pollution management. The current study examined the relationship between contamination loads, ... Read more
Responses of selected biota after biostimulation of a vegetable oil spill in the Con Joubert Bird Sanctuary wetland: a pilot study

Author: Selala, MC ; Oberholster, Paul J ; Surridge, KAK ; De Klerk, Arno R ; Botha, A-M Date: Jan 2013 An investigation on the effect of a vegetable oil spill was conducted on the biological diversity of the Con Joubert Bird Sanctuary wetland in South Africa before and after biostimulation with different concentrations of fertilizer during ... Read more

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Browsing by Author "De Klerk, Arno R"

Browsing by Author "De Klerk, Arno R"

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