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Threatened and Endangered Wildlife Species AGR 381 Unit H-1 William Hanel
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OBJECTIVES Differentiate between the terms “extinct”, “endangered”, and “threatened”; Understand why species become threatened and what laws exist to help prevent their extinction; Describe methods used to manage threatened and endangered species; and Identify threatened and endangered species in Texas.
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THREATENED: any animal or plant that is likely to become endangered within the foreseeable future
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ENDANGERED : any animal or plant listed by regulation as being in danger of extinction
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EXTINCT: An animal which no longer exists
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Why do species become threatened? Large body size Specialized diet Special habitat requirements Small population Limited geographic distribution Economic or commercial value Low reproductive output
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How to prevent or help.. The Endangered Species Act of 1973 requires development and implementation of recovery plans for the conservation and survival of threatened and endangered species.
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CONSERVATION STRATEGIES Protect and preserve habitats Land to protect is purchased by governments –Nature reserves –National parks –State parks –Designated wilderness areas
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CONSERVATION STRATEGIES Captive breeding State regulations on hunting and fishing
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THREATENED AND ENDANGERED SPECIES OF TEXAS
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Bald Eagle Texas Status –Threatened U.S. Status –Threatened
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Texas Kangaroo Rat- Threatened
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Texas Horned Lizard Texas Status Threatened
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Jaguarundi Texas Status –Threatened
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Loggerhead Sea Turtle Texas: Threatened
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Houston Toad Endangered
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Texas Blind Salamander Endangered
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OBJECTIVES Differentiate between the terms “extinct”, “endangered”, and “threatened”; Understand why species become threatened and what laws exist to help prevent their extinction; Describe methods used to manage threatened and endangered species; and Identify threatened and endangered species in Texas.
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