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Support to Phase 3 of the ORASECOM Basin-wide Integrated Water Resources Management (IWRM) – Plan: Overview

Overview The main objectives of this consultancy were to undertake scenario analyses, economic, water requirement projection and ecological support studies Read more

Water Resources Quality Joint Basin Surveys (JBSs)

The second 5-yearly comprehensive Joint Basin Survey (JBS2) of the quality of the water resources of the Orange-Senqu River Basin was undertaken Read more

2014 Integrated Water Resources Management Plan (IWRMP) – Summary and Documents

Purpose: This article will provide an overview of the 2014 IWRMP and provide links to the actual documents Related WIS Read more

Irrigation Water Demand Management (WP6)

Objectives The overall objective of the work package was to attain an overall understanding of how better management practices could reduce Read more

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Water Resources Quality Joint Basin Surveys (JBSs)

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 […]

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Orange River Basin Environmental Flow Requirements for the Orange-Senqu Basin (WP5)

Objectives The main objective for this Work Package is to assess Environmental Flow Requirements (EFRs) at selected key areas of the Orange River Basin at an “Intermediate Level”. Main Activities The main activities included: A scoping level assessment of ecological and socio-cultural condition and importance across the basin. Delineation into Management Resource Units and selection of […]

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POPs, PAHs and elemental levels in sediment, fish and wild bird eggs in the Orange–Senqu River Basin

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 […]

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Baseline monitoring of aquatic ecosystem health in the Orange-Senqu River Basin

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 […]

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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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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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