Welcome to the first surface water quantity report of the Orange-Senqu River Commission (ORASECOM), for the hydrological year 2020-2021. For Read more
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2020-2021 Orange-Senqu Surface Water Quantity Synoptic Analysis
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
Improving Groundwater Knowledge in Selected Transboundary Aquifers
Documentation and Data: A read-only folder structure of all reports, data, and models related to this study can be accessed Read more
Stampriet Transboundary Aquifer System (STAS) – Governance of Groundwater Resources in Transboundary Aquifers (GGRETA) Project
Documentation: A read-only folder structure of all reports, data, and models related to the STAS can be accessed from here: Read more
- WIS > instream
instream
POPs, PAHs and elemental levels in sediment, fish and wild bird eggs in the Orange–Senqu River Basin
- Author:Bennie Haasbroek
- Post date:14 November, 2013
- Categories:Biota and Ecosystems,Surface Water Resources
Introduction Four southern African countries, Lesotho, South Africa, Botswana, and Namibia share the basin of the Orange-Senqu River and are Parties to the Stockholm Convention (SC) on Persistent Organic Pollutants (POPs). Currently, the SC targets 21 chemicals and classes of chemicals. Previously, the research in the Orange-Senqu Basin on POPs concentrated on pesticide POPs such as DDT. Only recently […]
Read more- TAgs:fish, instream, monitoring, POPs, sediment toxicity, wild birds
Baseline monitoring of aquatic ecosystem health in the Orange-Senqu River Basin
- Author:Bennie Haasbroek
- Post date:14 November, 2013
- Categories:Biota and Ecosystems,Surface Water Resources
Purpose The specific purpose of this assignment was to undertake the first baseline monitoring of aquatic ecosystem health in the Orange-Senqu River System and to support the broader joint baseline survey. The focus of this specific assignment was to investigate the Aquatic Ecosystem Health of the Orange-Senqu River System and includes a detailed assessment of […]
Read more Joint Baseline Survey
- Author:Bennie Haasbroek
- Post date:25 September, 2013
- Categories:Biota and Ecosystems,Surface Water Resources
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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