G3 Impacts of Humans on Ecosystems

G3 Impacts of Humans on Ecosystems

Ms. Fargo’s IB BiologyCourtesy of Stephan Taylor

Palm-oil cost to Borneohttp://www.youtube.com/watch?v=YHki3EgGzdY

Prince of Wales Speaks about Rain Forestshttp://www.youtube.com/watch?v=M2Cqo1Aksv4

Willie Smits Videohttp://blog.ted.com/2009/03/03/a_20year_tale_o/

Cane Toad Videohttp://www.youtube.com/watch?v=t3ENUqV5-bw Operation Toad Day Out

http://www.youtube.com/watch?v=gX1FLXEo96g

Introduction of Alien Species in US• Biological Control

– Wasp from China (Trichogramma ostriniae) used to control European corn borer in North America

• Accidental– Zebra mussel

• Over 200 species have been introduced to the San Francisco Bay accidentally via ballast water making it the most heavily invaded estuary in the world.

Introduction of Alien Species in US

• Deliberate introduction of invasive species– Peaches

• originated in China, and have been carried to much of the populated world.

• Georgia is the “Peach tree” state

http://aciar.gov.au/project/CS2/1991/010

Video On Mercury Bio-magnificationhttp://www.youtube.com/watch?v=xRqAS4Eow-c

Dioxins (Video)http://www.ucopenaccess.org/courses/APEnvSciv2/course%20files/multimedia/lesson85/animations/5c_Dioxin.html

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TBT on Ship hulls (Article)http://www.sciencedaily.com/releases/2007/07/070720155133.htm