Lecture 5 - 1119 - Wildlife Management Wildlife Management...

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Unformatted text preview: Wildlife Management Wildlife Management Regulation of fishing and hunting to manage populations Manipulation of Vegetation and Water Supplies Sanctuary Approach Sanctuary Approach National Wildlife Refuge System­ 524 refuges in the USA­ 20% of endangered species and their habitats Potential Use for abandoned military bases Zoos, Parks Seed Banks, Gene Banks White Deer Romulus, NY Sanctuary Approach Sanctuary Approach National Wildlife Refuge System­ 524 refuges in the USA­ 20% of endangered species and their habitats Potential Use for abandoned military bases Mainly wetlands Controversy­ allow oil and gas development Sanctuary Approach Sanctuary Approach Gene banks, Botanical gardens 50 seed banks store 100 plant species that make up 90% of food supply 1600 Botanical Gardens­ 30% of plant species Sanctuary Approach­Zoos, Aquariums Sanctuary Approach­Zoos, Aquariums Captive Breeding programs­ intention to re­ release into the wild­ need 100­500 individuals for genetic variability Artificial insemination, cloning Space for only half of threatened vertebrate species in the world Wildlife Management Wildlife Management Regulation of fishing and hunting to manage populations­ typically used to promote populations of wild game species, and regulate harvest quotas Manipulation of Vegetation and Water Supplies­ Ecological succession­ species change over time in an area. Managing Land in USA Managing Land in USA 42% of land is public­ 73% in Alaska, 22% in western states 20% of oil reserves, 30% natural gas reserves, 40% coal reserves, 40% commercial forests. National Forests­ Multiple Use land Wildlife refuges­Moderately Restricted National Parks­ Restricted Use land Ecological Succession Ecological Succession Gradual change in species composition in a given area Pioneer species­ 1st to move in and colonize Climax community­ most stable Secondary succession­ follows a disturbance Succession must be managed to maintain a particular habitat Planting seeds, transplanting, controlled burning all used ...
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