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Establishing new populations

Establishing new populations. Approaches. reintroduction program augmentation program “headstarting” introduction program what problems might arise when using this approach? Hard or soft release. What makes a successful introduction/augmentation program?. funds public perception

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Establishing new populations

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  1. Establishing new populations

  2. Approaches • reintroduction program • augmentation program • “headstarting” • introduction program • what problems might arise when using this approach? • Hard or soft release

  3. What makes a successful introduction/augmentation program? • funds • public perception • genetics • release site

  4. What makes a successful introduction/augmentation program? • 198 bird and mammal programs (20-30% failures): • Success greater in good quality habitat • success greater in core of historical range • success greater with wild-caught than with captive-reared • success greater for herbivore than carnivores • greater success with larger numbers • Another study showed 89% failure rate

  5. Social issues • Endangered species laws and access • Protection of new populations under the ESA • Mitigation • Communication with the public

  6. gray wolves in Yellowstone Park

  7. 3 2 1 4

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