Publications and Downloads
The following publications are available from DH Environmental Consulting.
Due to storage space constraints we are not able to host all of the files for download. If you would like any of the files that are not available for download, please contact us.
Presentations
- Eutrophication Management in South Africa: Reasons Behind the Inability to Transition from Science to Practice
- Water as an Equalizer: The Science And Management of South African Reservoir Lakes and the Implications for Social and Economic Development
- The Role of Diatoms in the Biomonitoring of South African Rivers and Streams. Bill Harding and Jonathan Taylor. Presented at the September 2007 Rivers Symposium held in Brisbane, Australia.
- The 1 mg/L Phosphate Standard: Why it Doesn't Work: A Critique
- Eutrophication of Impounded Water Resources in South Africa: Descent into Crisis
- Eutrophication Challenges in South Africa
- Reviving Diatom Resources in South Africa: Applications and Challenges
General Articles
- South Africa: Rethink, Redirection: Cyanobacteria and Cyanobacterial Research and Management; Changing Efforts. In: Lakeline Toxic Algae Edition, 26(2) (2006)
- Draining and Drying: A Sediment Removal Option for Shallow Lakes. In: Lakeline Dredging Edition, 24(4) (2007)
- Can South Africa Manage Its Dams? Part 1
- Can South Africa Manage Its Dams? Part 2
- Use of Rotenone for the Eradication of Problem Fish from Paardevlei (Video in WMV format)
Lake Management
- The Critical Connection: UNEP World Water Assessment Programme
- Paardevlei: Internal Design Assessment
Hartbeespoort Dam
Western Cape Vleis
- Zeekoevlei: Water chemistry and phytoplankton periodicity (WATER SA 18: 1992)
- Princess Vlei: Limnology and phytoplankton periodicity (WATER SA 18: 1992)
- Zeekoevlei: Management options for shallow hypertrophic lakes (SA J AQUAT SCI 18: 1992)
- Faecal coliform densities and water quality in three Cape Flats vleis (WATER SA 19: 1993)
- Rietvlei: International comparison of marsh restoration options (PERL, CALIFORNIA)
- Zandlvei: Role of salinity for the functioning and management of Zandvlei (SA J SCIENCE 90: 1994)
- Zandvlei: Management for recreation and as a fish nursery (WATER SA 20: 1994)
- Zandvlei: Ecology and Management of a shallow, enriched estuary (MANAGEMENT OF SHALLOW LAKES AND ESTUARIES: 1995)
- Zeekoevlei: Death of a dog due to cyanobacterial toxicosis (J SA VET ASSOC 66: 1995)
- Zeekoevlei: Phytoplankton primary production in a shallow, well-mixed South African lake (HYDROBIOLOGIA 344: 1997)
- Zeekoevlei: Initial findings following the implementation of the first drawdown (J LAKE AND RESERVOIR MANAGEMENT 15: 1999)
- Wildevoelvlei: Salinity treatment and restoration of a cyanobacterial bloom (HARMFUL ALGAL NEWS 18: 1999)
- Wildevoelvlei: Eradication of a toxic algal bloom using salinity enhancement (VER INT VEREIN 27: 2000)
- Blouvlei: Reemergence of rare aquatic plants not seen for 100 years! (BOTHALIA 30: 2000)
- Zeekoevlei Rehabilitation Plan (2000)
- Zeekoevlei: Role of groundwater in nutrient loading of Zeekoevlei (2002)
- Zandvlei: Biomonitoring Action Plan (2001)
Cyanobacteria and Cyanobacterial Poisonings
- Death of a dog due to nodularin poisoning (J SA VET ASSOC 66: 1995)
- Poisoning of livestock in the Western Cape, South Africa (J SA VET ASSOC 66: 1995)
- Regional emergence of cyanobacterial toxicosis in South Africa (HARMFUL ALGAL NEWS 16: 1997)
- Wildevoelvlei: Salinity treatment and restoration of a cyanobacterial bloom (HARMFUL ALGAL NEWS 18: 1999)
- Cyanobacteria in South Africa: A Review (WATER RESEARCH COMMISSION 2001)
- Research and Management Strategy for Toxic Algae in South Africa (Pending)
- International Approaches to Cyanotoxin Management (UBL: 2005)
- CYANONET: A Global Network for Cyanobacterial Bloom and Toxin Risk Management (UNESCO IHP: 2005)
- South Africa: Rethink, Redirection (Lakeline Cyanobacteria 2006)
- International Guidance Manual for the Management of Toxic Cyanobacteria
Diatoms
- Guide to Common Diatoms
- The relevance of diatoms for water quality assessment in South Africa. A Position Paper (WATER SA 31: 2005)
- Diatomology in SA Biomonitoring: The SA Diatom Collection. (AFRICAN J AQ. SCIENCES 30: 2005)
- Use of diatoms for monitoring rivers and streams in SA
- Crocodile River Diatom Poster
- International Diatom Symposium Poster
Research Reports
- Phosphorus Loading Limits for South African Dams (Harding, WR: 2008) Water Research Commission 1687/1/08 (external link)
- An Illustrated Guide to Some Common Diatom Species from South Africa (Taylor, J, Harding, W and C Archibald; 2007) Water Research Commission TT282/07
- A Methods Manual for the Collection, Preparation and Analysis of Diatom Samples (Taylor, J, Harding W and C Archibald; 2007) Water Research Commission TT281/07 (external link)
- A Research Strategy for the Detection and Management of Algal Toxins in Water Sources (Harding, WR: 2006) Water Research Commission TT277/06 (external link)
- CYANONET: A Global Network for Cyanobacterial Bloom and Toxin Risk Management (Codd, G; Azevedo, S; Bagchi, S; Burch, M; Carmichael, W; Harding, W; Kaya, K and H Utkilen, 2005). UNESCO IHP-VI. Technical Documents in Hydrology 76
- Current Approaches to Cyanotoxin Risk Assessment, Risk Management and Regulations in Different Countries (Chapter contribution, Harding W and P Kempster: 2005) Umwelt Bundes Amt, Berlin
- The South African Diatom Collection: An Appraisal and Overview of Needs and Opportunities (Harding, W, Archibald, C, Taylor J and S Mundree; 2004) Water Research Commission TT242/04 (external link)
- Cyanobacteria in South Africa: A Review (Harding W and B Paxton: 2001) Water Research Commission TT153/01
- A Guide to catchment-scale eutrophication assessments for rivers, reservoirs and lacustrine wetlands (Rossouw JN, Harding W R, Fatoki O S; 2008/04/01) Water Research Commission TT352 (external link)
- Characterization of the fishery assemblages in a suite of eutrophic and hypertrophic South African Dams (2010) WRC Report 1643/1/10
- Minaturized water temperature loggers: Refinement of initial design (2011) WRC Report 1872/1/11
- Development of a Diatom Index for Wetland Health (2010) WRC Report 1872/1/10

