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Chesapeake Bay

Chesapeake Bay. The Chesapeake Bay Watershed. Largest estuary in the United States. Fishing Industry of: No other American estuary has a higher yield. Blue Crab. Oysters. Striped Bass. Clams. The Bay Is Not Healthy. Nutrient Pollution Causes Algal Blooms and Fish Kills.

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Chesapeake Bay

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  1. Chesapeake Bay

  2. The Chesapeake Bay Watershed

  3. Largest estuary in the United States

  4. Fishing Industry of: • No other American estuary has a higher yield Blue Crab Oysters Striped Bass Clams

  5. The Bay Is Not Healthy

  6. Nutrient Pollution Causes Algal Blooms and Fish Kills

  7. Nutrients, Algae and Fish Kills Fish kill caused by nutrient build-up, Nanticoke River, Chesapeake Bay, 1992

  8. What causes the excess nutrients? Rivers and tributaries are bringing the nutrients to the Chesapeake Bay: • Sewage • Farming • Factory farms discharge 650 million lbs of chicken manure each year

  9. Have people played a role in changing the ecosystem to make it more vulnerable to algal blooms and dead zones?

  10. To Investigate this question you will: • Analyze historic and modern day food webs • Chart trends in harvesting and ocean health using real data on the Chesapeake Bay • Draw conclusions from your analyses and make recommendations for restoring Chesapeake Bay ecosystems • Watch a short film about the Chesapeake Bay and discuss your seafood consumption choices

  11. Image Credits • Chesapeake Bay: US Coast Guard • Chesapeake Bay Watershed: US Department of Agriculture • Chesapeake Bay Map: NASA • Blue Crab: The Children's Museum of IndianapolisOyster: David Monniaux Striped Bass: Mike Smedley Clam: Aung/Wikipedia • Map: NASA • Algal Blooms: Jennifer L. Graham/US Geological Survey • Dead Fish: US Geological Survey • Hog Farm Waste: USDA Chickens: SRAPPigs: Farm Sanctuary • Longshoreman Atlantic City: Isabella & Carroll Walker Collection/The Norfolk Public Library

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