Title: Explain factors that affect dissolved oxygen concentrations in water.
Course: Biological Applications in Agriculture (18308-I) > Section: Understanding Principles of Water and Soil Quality

Explanation should include the effects of

- pollution
- water temperature
- man-made aeration
- wind
- photosynthesis
- decomposition.

Process/Skill Questions:

- How do dissolved oxygen levels affect water quality and aquatic life?
- What methods are used to measure dissolved oxygen?
- How do different organisms respond to lower or higher dissolved oxygen levels?
- What are signs of dissolved oxygen deficiency?
- How can dissolved oxygen deficiencies be corrected?