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Reptile and Amphibian BIODIVERSITY CRISIS!

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by Jennifer Dever on 10 April 2014

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Transcript of Reptile and Amphibian BIODIVERSITY CRISIS!

99% of wetlands, 40% of tropical forests GONE!
Rattle snake round-ups legal?
Turtles, crocodiles, snakes, amphibians all exploited
Each year, more than 250,000 sea turtles are accidentally captured, injured or killed by U.S. fishermen.
Habitat loss/ degradation big problem!
Overharvesting for food/products
Snakes get a bad rap - myths justify persecution
"Reptiles are harvested and traded around the world for their skins or shells, their eggs, meat, and for the pet trade. Overharvesting of the Kemp’s ridley sea turtle’s eggs nearly led to its extinction, and today it is still an endangered species. In the U.S., box turtles are being collected at unsustainable levels for the overseas pet trade. Some reptile skins—such as crocodile, python and monitor lizard—are highly prized as exotic leathers."
http://rattlesnakeroundup.net/
$1.25
Thursday, April 10, 2014
Vol XCIII, No. 311
30% of Amphibians and 21% of Reptiles are threatened with extinction (2013 Red List)
BIODIVERSITY CRISIS!!!
Accidents, purposeful introductions both have lead to species loss
Invasive species can decimate natives!
EXOTICS CAN:
Out-compete natives
Predators of natives
Carry disease, infecting natives
Herp Conservation
http://www.nytimes.com/2014/03/31/us/rattlesnake-wranglers-armed-with-gasoline.html?_r=0
22 Reptiles and 34 Amphibians are EXTINCT in the wild!
Going, going, GONE!
"Habitat loss—due to destruction, fragmentation or degradation of habitat—is the primary threat to the survival of wildlife ." WWF
The range of potential habitat stressors is very large and includes factors such as climate change, chemical pollution, noise pollution, pathogens and disease, physical damage to the habitat, tourism, and war-related activities.
Saint Croix Racer
Martinique Giant Amevia
Jamaica Giant Galliwasp
Round Island Burrowing Boa
Pinta Isand Tortoise
West African Mud Turtle
Big Bend Mud Turtle
http://www.petermaas.nl/extinct/lists/amphibians.htm
http://www.petermaas.nl/extinct/lists/reptiles.htm
http://animals.nationalgeographic.com/animals/amphibians/cane-toad/
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