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Unformatted text preview: -Amazonian birds o Deforestation is a problem, so one made patches of rainforest Patch shape:-Amount of edge is important-Perimeter to area ratio as a measure of patch shape-Edge effects o Harsher environmental conditions (temperature, moisture, etc.) o Invasive species (eg kudzu) o Certain predators may be more abundant o Brood parasitism o Others Cowbird parasitism:-Lay eggs in other birds broods Connectivity and corrdors:-Connectivity = the degree to which patches are connected to or isolated from each other-Differ in ease with which organisms can move between patches-Corridors: o Connect patches o Increase patch size o Change patch shape o Long advocated for conservation o Little tested-Some species had no effect, some had positive corridor effect...
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