Week 6 Wildlife Notes
Week 6 Wildlife Notes ENWC 201
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This 3 page Class Notes was uploaded by Sophie Menos on Friday October 7, 2016. The Class Notes belongs to ENWC 201 at University of Delaware taught by Dr. McCarthy in Fall 2016. Since its upload, it has received 9 views. For similar materials see Wildlife conservation & Ecology in WIlldlife Conservation and Ecology at University of Delaware.
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Date Created: 10/07/16
Overexploitation 10/4/16 exploitation • living off the land or seas overexploitation • living off the land or seas in a manner that cannot be sustained • biggest threat for marine systems • second only to habitat loss and destruction for birds, mammals, and plats Gandhi • there’s enough on this planet for everyone’s needs but not enough for everyone’s greed Temperate Terrestrial Systems • hunting in the US o “mostly” well controlled management o necessary in modified environments § altered vegetation § limited disease § removed predator species o ex prairie dog § considered pests § but important resource for other animals § “prairie dog shoot” ú myth prairie dog holes break horses legs • hunting in other nations o sometimes well controlled o trophy hunting o predator bounties o wildlife trade Tropical Systems • rapidly growing human populations, countries developing • timber extraction • bushmeat trade o meat from non-domesticated wildlife hunted for food in tropical forests o no longer sustainable o local consumption to regional markets o defaunation of tropical forests § removal of animals inside the forest Overexploitation 10/4/16 § most defaunation is where highest population density of humans is • medicine trade o traditional medicine uses wildlife body parts § tiger bones § rhino horns • pet trade o parrots and big cats o more tigers in US than in the wild § large number kept by private individuals Marine Ecoystems • where overexploitation is the worst • fishing down food web in ecosystems • not just for food, medicinal purposes too The Cove (movie) • Japan • dolphin slaughtering • “if the world finds out what goes on here we will be shut down” • dolphin and whale fishing • flipper tv show created our desire to interact with dolphins which created the mass capture of them • Taiji Overexploitation 10/4/16 o collect female dolphins and fly them to different parts of the world o largest dolphin fishery • each dolphin can be $150K • estimated 23K dolphins slaughtered each year o where is all this meat going if not eating • some captured for dolphinarians others slaughtered for food • “this is our culture” o how can it be tradition if Japanese people don’t know about it o most of people in Japan don’t want to eat dolphins • deliberate cover up • dolphin meat consists high ppm of mercury • a lot of packages labeled as expensive whale meat is actually dolphin • incriminate whales as the bad guy o consuming huge quantities of fish o not really whales, but overfishing • overexploiting marine ecosystems that the whole system could collapse • Japan wants to introduce dolphins to school system lunches
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