01:119:115 Lecture Notes - Lecture 20: Plain English, Megafauna, List Of Natural Phenomena

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Integrates ecology, physiology, molecular biology, genetics, and evolutionary biology to preserve biological diversity. Introduced species: exotic species, accidental and intentional movement of species from native locations to new geographic regions by humans a. In native habitat limited by predators, parasites, and pathogens. Ne = (4nfnm: nf = number of breeding females, nm = number of breeding males, example: Idealized population of 1000 individuals a: 500 females, 500 males, every individual breeds, ne = [4(500)(500)] [(500) + (500): ne = 1000 c. Affected by life history traits family size and age at maturity: example: illinois greater prairie chicken a. Increases edges: good for some species use resources from both areas, example: ruffed grouse uses forest for nesting and for summer food, effects of fragmentation, generally decreases biodiversity, only edge-adapted species thrive, movement corridors. 3: balance preservation, ecological concerns with needs of.

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