Human Modification to River Systems

Flow modification; Water pollution; Introduced (alien) species

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1. Which of these is NOT example of changes to the geomorphology of a river?

  • Dams
  • Point source pollution
  • Channelisation
  • Weirs
  • Bridges
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Other questions in this quiz

2. Pollutiom: substances... cause harm to living resources and ecological systems

  • True
  • False

3. Most pollution is at a steady state, known as:

  • Chronic
  • Episodic

4. Which of these is an example of episodic pollution..

  • Press
  • Pulse
  • All of above
  • Ramp

5. Which type of pollution is easier to deal with?

  • Point source
  • Diffuse source
  • Both are as bad

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