Difference between revisions of "AY Honors/Water Environment/Answer Key/en"
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< AY Honors | Water EnvironmentAY Honors/Water Environment/Answer Key/en
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| − | <!-- 2. Organize a clean-up operation for a watercourse or a pond in your municipality or | + | <!-- 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). --> |
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| − | * [http://jeunesse.adventiste.ch/badges/badges-explos/environnement- | + | * [http://jeunesse.adventiste.ch/badges/badges-explos/environnement-eau/ Water Environment requirements from the French-Italian Swiss Conference] |
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Revision as of 17:57, 5 August 2022
Water Environment
Skill Level
Unknown
Year
Unknown
Version
22.12.2024
Approval authority
Franco-Belgian Union
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).
