Endangered Species
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Transcript of Endangered Species
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Endangered SpeciesCierra BanyasCas 100Fall 2013
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Main Points I. What is an endangered species?
How does it compare to an extinct species?
Examples of both types What are the causes? What can be done to help?
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What is an endangered species? An endangered species is a species
whose numbers are so small that it is at risk of extinction.
Extinction is directly related to a species being endangered if the problem is not fixed.
http://wordnetweb.princeton.edu/perl/webwn?s=endangered%20species
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Extinction The rapid loss of species we are seeing today is
estimated by experts to be between 1,000 and 10,000 times higher than the natural extinction rate. means the rate of species extinctions that would
occur if humans were not around experts calculate that between 0.01% and 0.1%
of all species will become extinct each year 2 million different species on our planet: between
200 and 2,000 extinctions occur every year 100 million different species on our planet: between
10,000 and 100,000 extinctions occur every year
http://worldwildlife.org/
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Examples: endangered Amur Leopard:
Russian Far East around 30 left
Sumatran Orangutan Borneo and Sumatra around 7,300 left
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Examples: endangered (cont…) African Wild Dog
Africa around 3,000-5,500 left
Giant Panda China around 1,600 in the wild
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Example: extinct Tasmanian Tiger/Wolf, Thylacine
Australia (Tasmania) Last one captured in the wild in 1933 Taken to Hobart Zoo where he died in 1936
http://www.iucnredlist.org/details/21866/0
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Causes Bycatch - the incidental capture of non-
target species when fishing Deforestation Illegal Wildlife Trade – poaching, selling
as pets, etc Pollution/Climate Change …and many others
http://worldwildlife.org/
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What can you do?
http://worldwildlife.org/
Push local governments to protect threatened animal populations
Encourage others to ask questions and get facts about crimes against wildlife
Raise awareness and push for a change in people’s attitudes for less environmental destruction
Donate to organizations such as WWF
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The Story of Baim Baby orangutan Found in Borneo Turned into the WWF
http://www.youtube.com/watch?feature=player_embedded&v=qcMWcICG-PQ
http://worldwildlife.org/
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Recap Extinction is directly related to a species
being endangered. There are many things that cause a
species to become endangered, most are human causes.
Ordinary people can help by raising awareness and donating to organizations.
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Any Questions? Email me at: [email protected]!
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References http://wordnetweb.princeton.edu/perl/w
ebwn?s=endangered%20species http://www.iucnredlist.org/details/21866/
0 http://www.lifeinthefastlane.ca/bizarre-a
nd-extinct-thylacine-creatures/offbeat-news (images)
http://worldwildlife.org/