HomeEnvironmental Conservation
GEO 260, Spring 2006
Lecture Outline

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Reading to be done before Class: CES pp. 82-105, AE Article 24 pp. 181-185 "Oceans are on the critical list"
Come to class with a basic familiarity with the following concepts and ideas: Wetlands, Feedback, positive and negative feedback, turbidity, filter feeders, salinity, limiting nutrients, natural eutrophication, cultural eutrophication, reaeration, advanced wastewater treatment.
Additional Assignment: Outline for yourself the interdependent natural systems of Chesapeake Bay. As you read see if you can diagram the various interconnections that the chapter describes.

Ecosystem Dynamics in Chesapeake Bay

Why did Chesapeake Bay’s environment decline beginning in the 1960s?

What were the signs of decline?

Systems

  • Feedback
  • Positive Feedback
  • Negative Feedback

How does the Chesapeake Bay Ecosystem Work?

Inputs

Eutrophication

  • Natural Eutrophication
  • Cultural Eutrophication
  • Turbidity
    • Oyster Feedback system

What explains Seagrass Decline?

Restoration Efforts

 
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