Difference between revisions of "AY Honors/Water Environment/Answer Key"

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Revision as of 17:54, 5 August 2022

Other languages:
English • ‎español • ‎français
Water Environment

Skill Level

Unknown

Year

Unknown

Version

02.06.2025

Approval authority

Franco-Belgian Union

Water Environment AY Honor.png
Water Environment
Regional
Skill Level
???
Approval authority
Franco-Belgian Union
Year of Introduction
Unknown
See also
Environment Master Award


1

Research a waterway near you. Check the following items and submit a report on the observations made.

Good health indexes:

  • Abundance of small fish and aquatic insects
  • Clear water and fresh smell
  • Banks covered with vegetation
  • Some green algae in the water (light green)
  • Presence of aquatic plants
  • Presence of aquatic birds (kingfisher, etc.)
  • Presence of crayfish, insects under the stones, etc.
  • Sandbanks covered with vegetation indicating good water level stability

Water pollution indexes:

  • Presence of a large amount of dark green algae
  • Banks without (or little) vegetation
  • Smell of putrefaction in the water
  • Foaming on the surface of the water due to the presence of detergents
  • Litter in the watercourse and on the banks
  • Water with too much silt
  • Absence of aquatic insects and fish
  • Presence of oil slicks on the surface of the water
  • Warehouses or factories dumping their waste into the river




2

Organize a clean-up operation for a watercourse or a pond in your municipality or of an individual (by presenting the project to them).




References

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