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WRC – TMG Introduction

Ecological and Environmental Impacts of Large-scale Groundwater Development in the Table Mountain Group (TMG) Aquifer System WRC project K5/1327. WRC – TMG Introduction. Objectives of the WRC Eco TMG project Who is involved Project process and timing Links with CCT-TMG AA project

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WRC – TMG Introduction

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  1. Ecological and Environmental Impacts of Large-scale Groundwater Development in the Table Mountain Group (TMG) Aquifer SystemWRC project K5/1327

  2. WRC – TMG Introduction • Objectives of the WRC Eco TMG project • Who is involved • Project process and timing • Links with CCT-TMG AA project • Differences to CCT-TMG AA project.

  3. Aims of the WRC project • Characterize the occurrence of groundwater discharge areas in the TMG; • Characterize the hydraulic continuity between discharge areas and deep and shallow aquifer flow regimes; • Characterize groundwater use by terrestrial and aquatic ecosystems; • Assess the dependency on groundwater of these uses and the sensitivity of ecosystems to changes in the groundwater regime; • Determine early indicators of stress and response to changes in the groundwater regime; • Assess the resilience of ecosystems to changing groundwater conditions at various temporal and spatial scales.

  4. Approach • Innovative and integrative research • Predictive tools and indicators • Education and research • Leverage additional funding for long term

  5. Project Overview • Scoping • Monitoring • Analysis • Recommendations

  6. The Core Team • CSIR • Paul Lochner (PL) • Christine Colvin • Dr Dave Le Maitre • Umvoto Africa • Rowena Hay • Dr Chris Hartnady • Southern Waters • Dr Cate Brown • Dr Bill Harding

  7. Themes and Teams

  8. Time Frame • Scoping – March 2002 – April 2003 • Data collation • Specialist inputs • Target sites • Monitoring - May 2003 – Sept 2004 • Analysis - March 2003 – Dec 2004 • Recommendations – March 2003 – Dec 2004 ?

  9. Overlapping areas • Team • GIS database • Research and improved understanding • Monitoring protocol • Risk assessment of GDEs

  10. Research focus Broader GDE review Scientifically inclusive Boundary conditions –climate change Focus on CCT sites Vulnerable GDEs EIA – impact minimisation Environmental flow requirements Monitoring compliance No-go limits Stakeholder process WRC – EcoTMG CCT – TMG-AA

  11. Thank you • Points for clarification…?

  12. Outputs of the CCT Eco task • Data base and maps • Consensus on monitoring protocols • Eco redflags (no-go & switch off) • Rapid and intermediate RDM • Actual monitoring and analysis • Impact minimisation – MCDA & risk

  13. CCT – TMG project • Overall objective – development of groundwater resources. • Environment 1 of 7 tasks • Task leader – Mike Luger (NS) • Core team as for WRC

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