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Consultancy Call for Application: Strengthening Groundwater Governance and Data Collection and Reporting

UNESCO is currently implementing the third phase of the project “Governance of Groundwater Resources in Transboundary Aquifers” (GGRETA-3). In the Read more

Job Opportunities : Integrated Transboundary River Basin Management for the Sustainable Development of the Limpopo River Basin

The Global Water Partnership Southern Africa (GWPSA) is pleased to invite candidates to submit their applications for the positions of Read more

2020-2021 Orange-Senqu Surface Water Quantity Synoptic Analysis

Welcome to the first surface water quantity report of the Orange-Senqu River Commission (ORASECOM), for the hydrological year 2020-2021. For Read more

Khakea-Bray Transboundary Dolomite Aquifer Recharge Assessment

Documentation and Data: A read-only folder structure of all reports, data, and models related to the STAS can be accessed Read more

  • WIS > Biota and Ecosystems

Biota and Ecosystems

Support to Phase 2 of the ORASECOM Basin-wide Integrated Water Resources Management (IWRM) – Plan: Overview

Overview The main objectives of this consultancy were to enlarge and improve the existing models for the Orange-Senqu Basin, so that they incorporated all of the essential components in the four Basin States and are accepted by each Basin State. These models must be capable of providing the current and likely future information needs of […]

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Environmental Flow Requirements of the Fish River and the Orange-Senqu River Mouth

Overview The Orange-Senqu River riparian States (Botswana, Lesotho, Namibia and South Africa) are committed to jointly addressing threats to the shared water resources of the Basin. This is reflected in bilateral and basin-wide agreements between the riparian states and led to the formation of the Orange-Senqu River Commission (ORASECOM) in 2000. The ‘Orange-Senqu Strategic Action […]

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Aquatic Invertebrates of South African Rivers – Illustrations (2002)

Aquatic Invertebrates of South African Rivers – Illustrations (2002) Authors: A. Gerber, MJM Gabriel Source: Institute for Water Quality Studies, Source: Department of Water Affairs of South Africa

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Joint Baseline Survey

Overview The Joint Baseline Survey consisted of 3 separately funded studies undertaken for ORASECOM on the Orange-Senqu River Basin. The studies focussed on aquatic ecosystem health, environmental toxicity and the benchmarking of environmental laboratories. The 3 studies were as follow: Baseline monitoring of aquatic ecosystem health in the Orange-Senqu river basin (European Commission Funded) POPs, […]

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