Mass Extinction1

Mass Extinction1 - Mass Extinctions Accidental or...

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Mass Extinctions Accidental or purposeful introduction of new species can cause extinction of endemic species. Introduction of brown tree snake to Guam has resulted in extinction of nine of eleven native bird species. The carp, an Asian fish that can tolerate polluted waters, is now more prevalent than our native fish. Kudzu, a plant native to Asia, has beome a major pest throughout the south. Water hyacinth escaped from captivity and has become a hazard to navigation, as well as disrupting the local environment. Global climate change may be so rapid that many species cannot adjust. Biological magnification of pesticides has reduced predatory bird populations. Acid deposition is implicated in the worldwide decline in amphibian populations. Conservation biology is a discipline that brings together many fields to attempt to solve biodiversity problems. It attempts to develop practical approaches to preventing extinction of species and destruction of ecosystems. Most conservation biologists
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This note was uploaded on 11/29/2011 for the course BIO BSC1010 taught by Professor Gwenhauner during the Fall '10 term at Broward College.

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