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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 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 to produce the 2014 Orange-Senqu Integrated Water Resources Management Plan (IWRMP). The Project included 5 work packages that are described below. Funding Organisation(s): GIZ   WP 4A: Economic Analysis of Water based on Water Accounting for the […]

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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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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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2014 Integrated Water Resources Management Plan (IWRMP) – Development and Supporting Studies

  Introduction This article outlines the aims and objectives of the basin-wide Integrated Water Resources Management (IWRM) Plan development  as well as how the work would be carried out through a combination of consolidation of technical studies and stakeholder consultation. During the development of the IWRM Plan it is ensured that the key basic elements are […]

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Transboundary Diagnostic Analysis (TDA) of the Orange-Senqu River

Overview and Purpose The main purpose of this transboundary diagnostic analysis (TDA) is to provide a scientific and technical basis for the identification and prioritisation of key issues concerning the degradation of aquatic ecosystems in the Orange–Senqu River basin. It is intended as a decision-support tool for the Orange–Senqu basin states and stakeholders to identify […]

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Transboundary Environmental Assessment for the Orange-Senqu River Basin

Overview and Purpose In their meeting in 2005 the Ministers responsible for water in the riparian States of the Orange-Senqu River basin have recognised the need for formal guidance for communication and collaboration on transboundary environmental assessment in the context of the ORASECOM Agreement. Such guidance would, among with other provisions, enable active stakeholder participation […]

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Strategic Action Programme for the Orange-Senqu River Basin

Overview and Purpose The Orange-Senqu Strategic Action Programme (SAP) is a negotiated document that provides a basin-wide framework for the implementation of a prioritised set of national and joint transboundary actions and investments for addressing jointly agreed priority environmental concerns in the Orange-Senqu river basin. The SAP is endorsed at political (Ministerial) level and together […]

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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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Priority Interventions for the Management of the Orange-Senqu River Mouth

Overview This document discusses critical issues impacting on the health of the Orange-Senqu River Mouth and identifies local priority interventions recommended for the SAP implementation phase. The Orange-Senqu River mouth is situated between the towns of Oranjemund in Namibia and Alexander Bay in South Africa. The study area extended from the mouth to the head of […]

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