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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Latest Submission
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 > POPs
POPs
Water Resources Quality Joint Basin Surveys (JBSs)
- Author:Rapule Pule
- Post date:1 April, 2016
- Categories:Biota and Ecosystems
The second 5-yearly comprehensive Joint Basin Survey (JBS2) of the quality of the water resources of the Orange-Senqu River Basin was undertaken in 2015. This is one of the programmes of ORASECOM aimed at advising the State Parties on the development, use, and conservation of the water resources of the Basin. The surveys are structured into four components, namely (i) Aquatic […]
Read more 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
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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