Across
- 3. measurement of mineral content in water such as calcium and magnesium
- 5. water pH measurement that is less than 7
- 10. essential for strong bones and teeth, this mineral is leeched out of limestone
- 11. the shallow, highly productive area along the shoreline of a lake or pond where rooted aquatic plants grow
- 12. draining away of water and compounds from a surface, often a farm field or lawn ending up in an aquatic ecosystem
- 13. entering water through respiration of organisms and the atmosphere, this compound is essential for plant life
- 15. water pH equal to 7
- 17. while essential for healthy bones and teeth, excessive amounts come from septic tank discharge and lawn enhancing products
Down
- 1. excessive amounts of minerals, particulary phosphates that lead to excessive plant growth
- 2. aquatic plant eating insects, worms, clams, snails and other animals visible without aid of a that may be associated with or live on substrates such as sediments, supplying a food source for fish and other organisms
- 4. important compound that comes from the atmosphere and aquatic plants, necessary for life in ecosystems
- 6. water pH measurement that is more than 7
- 7. the study of freshwater quality and conditions
- 8. mineral that enhances growth and cellular function in plants and animals, enters water through runoff of rocks
- 9. as water used in the making of concrete and glass, this mineral is picked up as water flows through rocks
- 14. found in lawn fertilizers and septic tank discharge
- 16. water found beneath the soil surface and saturating the layer at which it is located
- 18. a measurement of how acidic or basic water is, dictates the diversity of life an an aquatic ecosystem