BIO 227 Lecture 7: 10:12:15 Lecture Notes

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10 Sep 2016
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Saudi arabia) the demand for consumers = problem: smuggling/ exotic pet trade o parrot eggs, small reptiles o management of commercial exploitation: Simple bans on harvesting or sale are often ineffective, and many actually make the problem worse by creating a black market (poaching, smuggling)- especially for status goods. To be successful, management must simultaneously address local harvesting (limit or prohibit), supply chain and transportation, and end- user demand (not just purchasing): persecution, intolerance, and eradication o carolina parakeet- driven to extinction. One of only two parrot species native to the u. s. Became agricultural pest, especially on apples and corn. Suffered from habitat destruction, harvested for feathers. Largely eradicated by the late 1800"s/ extinct by 1920. Last known died in the cincinnati zoo in 1918 o wolf control in alaska o ca grizzly bear, etc. Climate change (melting ice caps and acidity of ocean water) Boat strikes (u. s. problem mostly on human traffic filled east coast)