Across
- 1. Plants and animals that are used to indicate the health of an ecosystem
- 5. Estuaries act as a sponge in that they ___ out pollutants
- 6. Salt water is also known as a ____ environment
- 7. A substance iwth a pH of exactly 7 (pure water)
- 10. Dominant plant / species in tropical estuaries
- 12. essential plant nutrients for growth; found in fertilizers and waste
- 16. Pollution that comes from many places such as storm water runoff
- 17. A body of water with a salinity less than 5 ppt (parts per thousand)
- 18. Type of estuary characterized by cordgrass
- 19. how hot or cold something is
- 21. clarity or cloudiness of the water -- high amount is bad
- 22. scale of 0-14 measuring how acidic or basic something is
- 24. Bioindicators must be ____ to its environment
- 26. Process of too many nutrients causing an algae boom that decompose and deplete oxygen
- 27. Physical Chemical and Biological indicators that indicate the health of an aquatic ecosystem
Down
- 2. Warm water holds less, cold water holds more -- aquatic organisms need it to breath
- 3. Measure of the salt concentration in a body of water
- 4. Largest estuary in NC, second largest in the US
- 8. A body of water that is a mix of fresh and salt water; salinity is 5-30ppt
- 9. Estuaries function as a ___ ___ against erosion, flooding, storm surge, and wave action
- 11. A substance with a pH greater than 7
- 13. Pollution that comes from a single identifiable place such as a factory pipe or sewage outfall
- 14. To take care of the environment; citizens and governments responsibility
- 15. Estuaries serve as a ____ or safe haven for many juvenile fish and shellfish
- 20. water that is safe enough to drink
- 23. A partially enclosed body of water that is a mix of fresh and salt water
- 25. A substance with a pH of less than 7