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Influences on Ecosystems

1.  Fertilizer Run Off

2.  Eutrophication and Dead Zones

3.  Dead Zones – Chesapeake Bay

4.  Pine Beetle – Canadian Points of Reference – Ebsco Database

5.  Use term “Pine Beetle”

6.  Desert Expansion

7.  Sahara Desertification

Video Clip of Desertification

8. Water Exploitation –Aral Sea, Colorado

9.  Trawling

Bottom Trawling – Canadian Points of View “Trawling”

10. Wind Erosion

11.  Fragmentation of Habitat

12.  Deforestation