Geography 1400F/G Lecture 14: 14 Lecture 09/11/2015
16 Feb 2016
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Most cropped up after ww2 to maintain peace. Most us leaders think it is worth the taxpayers" money. Set up because of threats, but they just stayed there. Hunting,and habitat and biodiversity loss are primary causes. The first one that humans will be present for. Virtually all students of the extinction process agree that biological diversity is in the midst of its 6th great crisis, this time precipitated entirely by man [sic]. - e. o wilson, Extinction is part of slow but natural evolutionary history. Background rate," at which species evolve and die off. The most comprehensive survey ever into the natural systems that sustain life on earth . The structure and functioning of the world"s ecosystems changed more rapidly in the. "s of the earth"s ecosystems at risk second half of the 20th century than at any time in human history. Expected extinctions, over the next 100 years. The iucn brings scientific assessment of endangerment and that together.
