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?

  • Bridges
  • Channelisation
  • Point source pollution
  • Weirs
  • Dams
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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..

  • All of above
  • Pulse
  • Ramp
  • Press

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

  • Both are as bad
  • Point source
  • Diffuse source
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