• Olifants/Doring Basin Study

    Year: 1997 | Client: DWAF Project Planning | Location: South Africa

    River health assessment for the Wit River, upstream of, and in, Bain’s Kloof.

  • Africa's Living Rivers Programme: Knowledge Capture Project

    Year: 2021 – 2024 | Client: South African Water Research Commission | Location: Southern Africa

    The Africa's Living Rivers Programme: Knowledge Capture Project, developed libraries of generic DRIFT (Downstream Response to Imposed Flow Transformations) response curves that link physical-chemical-biological drivers and ecological-social responses for rivers and estuaries in the SADC (Southern African Development Community). These will allow a coarse-level DRIFT eco-social model to be set up for most major SADC river basins and provide a first level of predictions of the ecological and social implications (risks) of proposed management actions related to changes in the flow of water and sediment without the time or expense of a multidisciplinary team working over many months.

  • Berg River Dam – Operational Rules

    Year: 2005 – 2009 | Client: City of Cape Town/Ninham Shand | Location: South Africa

    Environmental flow specialist: A multidisciplinary team tasked with designing and implementing the operation rules for the Berg River Dam in Franschhoek.  The Berg River Dam is the first dam in South Africa where provision for the Ecological Reserve was included in feasibility, design and operations

  • Breede River Catchment Management Strategy

    Year: 2009 | Client: DWA/Pegasus | Location: South Africa

    Reserve input to Breede River Catchment Management Strategy.

  • Breede River Reserve Determination

    Year: 1999 – 2000 | Client: Department of Water Affairs and Forestry | Location: South Africa

    Determination of the water quantity component of the Ecological Reserve for the main rivers within the Breede River Basin as part of the wider Breede River Basin Study (BRBS).

  • Bulk Water Estimate for the Elands River and Gladdespruit

    Year: 1997 | Client: Nkomati Joint Venture Mining Company | Location: South Africa

    A Bulk Water Estimate (BWE) of four river reaches being investigated as possible sites for water resource developments to supply water to the Nkomati mine.  A BWE is a first estimate of the Instream Flow Requirements (IFR) that would be defined in a full-scale IFR Workshop, based on analyses of past results.  Responsibilities included: determination of the preliminary Desired Future State of the study rivers through interviews with Interested and Affected Parties, organisation and co-ordination of the BWE Workshop and report writing.

  • C.A.P.E. Environmental Flow Support

    Year: 2007 – 2008 | Client: Action Plan for the Environment | Location: South Africa

    Advisor on Reserve-related issues pertaining to Western Cape rivers, including determination, classification, operation rules and monitoring.

  • Charlesford weir pumping station upgrade

    Year: 2010 | Client: Sharples Environmental Services | Location: South Africa

    The impact of a proposed upgrade of the Charlesford weir and increased abstraction from the Knysna River on the Knysna River and estuary were assessed.

  • Classification and RQOs for the Berg River basin

    Year: 2016 – 2017 | Client: Department of Water and Sanitation | Location: South Africa

    Collation of information pertinent to, and generation of Environmental Water Requirement (EWR) data for, the classification of rivers in the Berg River basin and calculation of Resource Quality Objectives (RQOs) for a monitoring programmes.

  • Classification and RQOs for the Breede and Gouritz River basins

    Year: 2016 – 2017 | Client: Department of Water and Sanitation | Location: South Africa

    Collation of information pertinent to, and generation of Environmental Water Requirement (EWR) data for, the classification of rivers in the Breede and Gouritz River basins and calculation of Resource Quality Objectives (RQOs) for a monitoring programmes.

  • Classification of Western Cape Rivers

    Year: 1996 | Client: CapeNature | Location: South Africa

    Development of a system for assessing the habitat integrity and ecological importance of rivers in the Western Cape to facilitate proactive steps to be taken

  • Development of DRIFT, a scenario-based methodology for Environmental Flow Assessments

    Year: 2001 – 2002 | Client: Water Research Commission | Location: South Africa

    Documentation and further development of the DRIFT method, a scenario-based methodology for Environmental Flow Assessments, which was developed for use in the Lesotho Highland Water Project.

  • DRIFT Users Manual and Associated Software

    Year: 2003 – 2005 | Client: Water Research Commission | Location: South Africa

    Author of detailed manual for the biophysical components of the DRIFT method, including user-guides to the DRIFT database and DRIFT hydrological software.

  • Eerste River Situation Assessment

    Year: 1995 | Client: Ematek/ CSIR | Location: South Africa

    A situation assessment of the Eerste River, Stellenbosch, including a Habitat Integrity Assessment.Project activities included field sampling, report production and liaison with the client.

  • EGSAs in the Olifants, Komati and Usutu-Umhlatuze Water Management Areas

    Year: 2008 – 2009 | Client: Anchor Environmental and DWAF | Location: South Africa

    Aquatic ecologist: Describe potential for ecosystem service delivery. Describe key goods, services and attributes in relation to ecosystem (river/wetland or estuary) type (e.g. order) and health/integrity (A-F), location or any other easily obtainable spatial variables.

  • Environmental Flow DSS Software

    Year: 2009 – 2011 | Client: Water Research Commission | Location: South Africa

    Development of Decision Support System (DSS) software to automate the process for Environmental Flow Assessments.  The software is different from current DSSs in the field in that it fully incorporates the ecological, social and socio-economic aspects of management options to the same level of detail and sensitivity as the economic and engineering aspects.  The DSS is based on advances made in the DRIFT methodology through its application in Southern and East Africa.

  • FEPAs and flows

    Year: 2014 | Client: Water Research Commission | Location: South Africa

    An elementary tool for Ecological Reserve monitoring in high-value conservation catchments in South Africa was developed.

  • George Water Supply Options

    Year: 2006 – 2007 | Client: Department of Water Affairs and Forestry/ Ninham Shand Consulting Engineers | Location: South Africa

    A comprehensive study of the water resources supplying the George Metropolitan Area leading to a Strategy for meeting the city’s water requirements in a sustainable manner.

  • International working conference on Environmental Flows

    Year: 2002 | Client: Internal Southern Waters Conference Manager | Location: South Africa

    Responsible with Jackie King, for all aspects of Conference Organisation including conceptualisation of the conference, raising funds, selection of scientific papers, programme, venue, events, invited speakers, and proceedings.

  • Jan Dissels Compulsory Licensing

    Year: 2007 | Client: Department of Water Affairs and Forestry/ Ninham Shand/ DfID | Location: South Africa

    Ecological Reserve related input to the provision of Reserve-related issues pertaining to the Olifants-Doring catchment, including determination, classification, implementation and monitoring, for use in the Jan Dissels Compulsory Licensing exercise.

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