1. Sara Watts and Emily Luna

2. What’s an estuary? Saltwater meets freshwater River runs into ocean Lagoons Bays Tidal Marshes

3. Animals Shrimp Clams Pelicans Ducks

4. Plants Phytoplankton Algae Mosses Bushes No trees

5. Biotic Factors Competition Predation Parasitism Commensalism Mutualism Amensalism

6. Abiotic Factors Fishing nets Toxic waste Pollution Air and water temperature Water depth Salinity Dissolved oxygen Turbidity pH Nutrients

7. Adaptations coping with the changes in salinity Stenohaline some can’t survive in the estuary Only live in fresh or salt water

8. Predators Caspian Terns Pacific Mackerel Blue Crab Seal Shrimp Heron

9. Prey Molluscs Crab Worms Salmon Plankton Stonefly Larva

10. Food Web

11. Human Impact Construction of buildings Building of roads, dams, and highways Agriculture Pollution Fishing Marinas Oil spills

12. Conservation efforts JOIN US for our 5th National Conference on Coastal and Estuarine Habitat Restoration on Galveston Island, Texas, November 13-17, 2010.

13. Tourist Destination

14. Works Cited http://www.nhptv.org/natureworks/nwep6a.htm http://w3.lasallehs.org/courses/science/biology/html/what_is_an_estuary_.html http://estuary.uconn.edu/EWP16.html http://etd.lsu.edu/docs/available/etd-04162010-101313/unrestricted/Aronhime_diss.pdf http://www.bluefish.org/predator.htm http://www.tufts.edu/as/wright_center/products/sci_olympiad/upload_1_15_05/pdf/wat er_quality_estuarine_ecology.pdf http://www.tufts.edu/as/wright_center/products/sci_olympiad/upload_1_15_05/pdf/wat er_quality_estuarine_ecology.pdf http://www.estuaries.gov/estuaries101/About/Default.aspx?ID=241 http://www.nwfsc.noaa.gov/publications/techmemos/tm29/papers/emmett.htm http://oceanservice.noaa.gov/education/tutorial_estuaries/est07_adaptations.html