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Unformatted text preview: Control and Sustainability Natural systems are sustained in large part by intrinsic and extrinsic mechanisms that help to maintain populations within the carrying capacity of the environment To create a sustainable society, many experts believe that humans must also control population size CH05-13 Species Diversity and Stability Ecologists still debate the reasons why some ecosystems are stable and some are not What we do know: reductions in species diversity can destabilize ecosystems Fig. 6-6 Diversity vs. latitude CH05-14 Natural Succession: Life on Lifeless Ground Ecosystems can form on barren or relative...
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This note was uploaded on 04/17/2008 for the course ENVIRON MN 0630.201.0 taught by Professor Lisagreenwood during the Winter '07 term at RIT.
- Winter '07