Review of Environmental Water Requirements & Related Information for the Olifants Catchment

Authors: Alison Joubert & Cate Brown Southern Waters Ecological Research and Consulting CC.

The report covers existing determinations of Environmental Water Requirements (EWR) and aquatic ecosystem services, plus relevant information from the livelihoods, ecosystem services, and risks assessments to populate and calibrate a DRIFT (Downstream Response to Imposed Flow Transformations ) Decision Support System (DSS). The DSS is used to predict the likely impacts associated with flow scenarios on the riverine ecosystem, and on people who depend on it for services, livelihoods and other ben