Combined effects of organic pollution and eutrophication in the South para reservoirs,South Australia |
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| Affiliation: | 2. Water Storage Corporation Brabantse Biesbosch, Werkendam, The Netherlands;1. Nanobiotechnology Laboratory, Department of Biotechnology, S.G.B. Amravati University, Amravati 444602, Maharashtra, India;2. Department of Biotechnology, Institute of Science, Nipat Niranjan Nagar, Caves Road, Aurangabad 431004, Maharashtra, India;3. Department of Biology, Utah State University, Logan, Utah 84321, USA;4. Laboratório de Química Biológica, Instituto de Química, UNICAMP, Cidade Universitária “Zefferino Vaz” Barão Geraldo, CEP 13083-970, Caixa Postal 6150, Campinas, SP, Brazil;1. Department of Chemistry, Aligarh Muslim University, Aligarh 202002, Uttar Pradesh, India;2. Department of Biology, College of Natural and Computational Sciences, University of Gondar, P.O. Box #196, Gondar, Ethiopia |
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| Abstract: | Preliminary results of a comparative limnological study of three Mediterranean reservoirs in South Australia from August 1995 until March 1996 am presented. The reservoirs are characterised by meso- to eutrophic and dystrophic conditions. Dynamics and interactions between DOC, SRP and phytoplankton biomass were investigated regarding differences in mixing conditions, water levels and catchment links of the reservoirs. A scenario analysis was conducted to predict effects of artificial aeration and DOC removal in the Barossa reservoir. Results indicate positive and negative feedbacks between organic pollution and eutrophication such as nutrient limitation by organic complexation of phosphorus, light limitation of phytoplankton growth by water colour and DOC release after phytoplankton breakdowns. Orientation of further research and management options are discussed. |
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