CH 2: Catchment and river management
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Questions and Answers

What does river management involve?

  • Ignoring the socio-economic impact
  • Only considering environmental factors
  • No strategic planning involved
  • Strategic planning, development, and preservation of water resources within a river basin (correct)

    • Why is proper river management important in regions like South Africa?

  • To increase flooding occurrences
  • To have unregulated industrial discharge
  • To ensure availability of water for future generations (correct)
  • To deplete water resources faster

    • What can lead to poor river management?

  • Adequate agricultural practices
  • Deforestation and unregulated industrial discharge (correct)
  • Regulated industrial discharge
  • Proper sewage treatment

    • How do human activities affect drainage basins negatively?

    <p>Overgrazing leading to soil erosion and increased sedimentation in rivers</p> Signup and view all the answers

    What is a common consequence of river pollution from industrial waste and agricultural runoff?

    <p>Loss of biodiversity and eutrophication</p> Signup and view all the answers

    What is one negative impact of deforestation on the land?

    <p>Increase in runoff and sedimentation</p> Signup and view all the answers

    Which strategy is NOT mentioned for effective catchment area management?

    <p>Construction of more settlements</p> Signup and view all the answers

    What role do education and legislation play in promoting sustainable practices?

    <p>Crucial role in promoting sustainable practices</p> Signup and view all the answers

    Which activity is recommended for better river management?

    <p>Implementing sustainable farming practices</p> Signup and view all the answers

    How does sustainable river management impact the economy?

    <p>Improves water availability for various sectors</p> Signup and view all the answers

    What is the primary goal of river management?

    <p>Ensuring sustainable use of water resources</p> Signup and view all the answers

    Why does poor river management occur?

    <p>Deforestation and altered water flow</p> Signup and view all the answers

    What is a significant consequence of overgrazing in drainage basins?

    <p>Elevated sedimentation in rivers due to soil erosion</p> Signup and view all the answers

    How do human activities primarily impact river systems through urban expansion?

    <p>By contributing to the degradation of river systems</p> Signup and view all the answers

    What is a common consequence of untreated sewage and agricultural runoff in rivers?

    <p>Biodiversity loss and eutrophication</p> Signup and view all the answers

    What is a key strategy for managing catchment areas to enhance water conservation and river flow patterns?

    <p>Pollution control</p> Signup and view all the answers

    How does the Working for Water program in South Africa contribute to river management?

    <p>Removing invasive alien plants</p> Signup and view all the answers

    Why is sustainable river management beneficial for the economy?

    <p>It ensures water availability for various sectors</p> Signup and view all the answers

    What role does education play in promoting sustainable river management practices?

    <p>Influencing community engagement</p> Signup and view all the answers

    How do activities for better river management help address pollution issues?

    <p>By implementing sustainable farming practices</p> Signup and view all the answers

    What is the primary focus of river management?

    <p>Preserving the ecological balance</p> Signup and view all the answers

    Which factor does NOT contribute to poor river management?

    <p>Regulated industrial discharge</p> Signup and view all the answers

    What is a common consequence of urban expansion without proper planning on river systems?

    <p>Degradation of river systems</p> Signup and view all the answers

    How does overgrazing impact drainage basins?

    <p>Leads to biodiversity loss</p> Signup and view all the answers

    What is a significant effect of river pollution on biodiversity?

    <p>Loss of biodiversity due to eutrophication</p> Signup and view all the answers

    What is a key component of the South African River Management Strategy?

    <p>Removing invasive alien plants</p> Signup and view all the answers

    How does the Working for Water program benefit both the environment and society?

    <p>By providing jobs and improving water quality</p> Signup and view all the answers

    How does forestation contribute to effective catchment area management?

    <p>By reducing water runoff and sedimentation</p> Signup and view all the answers

    What does poor river management negatively impact?

    <p>Tourism, agriculture, and water-intensive industries</p> Signup and view all the answers

    What is the primary goal of river management?

    <p>To ensure the sustainable use of rivers for various purposes</p> Signup and view all the answers

    What leads to increased sedimentation in rivers within drainage basins?

    <p>Overgrazing causing soil erosion</p> Signup and view all the answers

    Why is it crucial to manage drainage basins and catchment areas properly?

    <p>To prevent natural habitat destruction</p> Signup and view all the answers

    What is a consequence of poor river management resulting from inadequate sewage treatment?

    <p>Increased pollution and habitat destruction</p> Signup and view all the answers

    How does urban expansion without proper planning degrade river systems?

    <p>By contributing to the degradation of river systems</p> Signup and view all the answers

    Which activity significantly affects drainage basins by leading to eutrophication?

    <p>Agricultural runoff</p> Signup and view all the answers

    How do human activities negatively impact drainage basins when it comes to river pollution?

    <p>By causing eutrophication and biodiversity loss</p> Signup and view all the answers

    What is a significant effect of overgrazing on soil within drainage basins?

    <p>Increased eutrophication levels</p> Signup and view all the answers

    Why is it important to consider both socio-economic and environmental factors in river management?

    <p>To ensure the sustainable use of rivers while maintaining ecological balance</p> Signup and view all the answers

    What contributes to habitat destruction and altered water flow in rivers due to poor management practices?

    <p>Overgrazing and unregulated urban expansion</p> Signup and view all the answers

    What is a multifaceted approach required for in effective catchment and river management?

    <p>Community engagement, strict regulation, and ongoing research</p> Signup and view all the answers

    Which activity is NOT recommended for better river management according to the text?

    <p>Increasing industrial waste disposal</p> Signup and view all the answers

    What is a key focus of the Working for Water program in South Africa?

    <p>Removing invasive alien plants for water conservation and river restoration</p> Signup and view all the answers

    How does deforestation affect the land's ability to absorb water?

    <p>It decreases the land's ability to absorb water</p> Signup and view all the answers

    What is a significant impact of poor river management on the economy?

    <p>Affecting agriculture, tourism, and water-intensive industries</p> Signup and view all the answers

    Which factor contributes to increased river pollution and altered flow patterns due to human settlements?

    <p>Increased pollution from settlements</p> Signup and view all the answers

    What is one key strategy mentioned for effective catchment area management?

    <p>Promoting sustainable agricultural practices</p> Signup and view all the answers

    How does sustainable river management benefit the economy?

    <p>'Ensuring water availability for various sectors and preserving natural beauty,' as mentioned in the text</p> Signup and view all the answers

    'Activities for better river management' include which of the following?

    <p>'Identifying main pollution sources'</p> Signup and view all the answers

    What is the primary purpose of river management?

    <p>Preserving natural habitats</p> Signup and view all the answers

    How does urban expansion negatively impact river systems?

    <p>It contributes to the degradation of river systems</p> Signup and view all the answers

    What is a common consequence of overgrazing in drainage basins?

    <p>Higher levels of soil erosion</p> Signup and view all the answers

    Why is proper management of drainage basins crucial in regions like South Africa?

    <p>Due to limited water resources</p> Signup and view all the answers

    What contributes to habitat destruction and altered water flow in rivers due to poor river management practices?

    <p>Unregulated industrial discharge</p> Signup and view all the answers

    What is a key aspect of the South African Working for Water program?

    <p>Focusing on enhancing water conservation through afforestation</p> Signup and view all the answers

    How does deforestation impact the land's ability to manage water?

    <p>Increases runoff and sedimentation</p> Signup and view all the answers

    Which of the following is NOT a strategy for effective catchment area management?

    <p>Promoting sewage treatment facilities</p> Signup and view all the answers

    Why do education and legislation play crucial roles in promoting sustainable river management?

    <p>To ensure proper community engagement and adherence to regulations</p> Signup and view all the answers

    What is a significant negative impact of water pollution on the economy?

    <p>Affecting agriculture, tourism, and water-intensive industries</p> Signup and view all the answers

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