Biodiversity & Nature Preservation

Biodiversity & Nature Preservation -...

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―Loss of the world‘s genetic diversity would be worse than energy depletion, economic collapse, limited nuclear war or conquest by a totalitarian government .As terrible as those catastrophes would be for us, they could be repaired in a few generations. The one process ongoing in the 1980‘s that will take millions of years to correct is the loss of genetic and species diversity by the destruction of natural habitats. This is the folly our descendants are least likely to forgive us‖. E.O Wilson
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―Only after the last tree has been cut down, only after the last river has been poisoned, only after the last fish has been caught, only then will you find that money cannot be eaten‖. Cree Indian Prophecy “No crisis in history has so clearly demonstrated the interdependence of nations as the environmental crisis.” --UN Secretary-General Kofi Annan, 2000.
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The Challenge: Sustainable Use & Conservation – or Preservation – of Biodiversity?
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Climate change will exacerbate pressures on Estimated 10-15% of the world’s species could become extinct over the next 30 years Biodiversity underlies all ecological goods and services
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―EACH GENERATION TAKES THE EARTH AS TRUSTEES. WE OUGHT TO BEQUEATH TO POSTERITY AS MANY FORESTS AND ORCHARDS AS WE HAVE EXHAUSTED AND CONSUMED.‖ —J. STERLING MORTON ―It's the next annihilation of vast numbers of species. It is happening now, and we, the human race, are its cause" ~ Richard Leakey
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Nature & Biodiversity: What are they? Why do we care? Nature : the physical world including plants, animals and all things that are not made by people.” Biodiversity “the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are a part: this includes diversity within species, between species, and of ecosystems.”
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Traditional Ways of Thinking about Exploitation is the complete or maximum use of a resource for individual profit or societal gain. Conservation is the wise utilization of a resource so that use is tempered by protection to enhance the resource‘s continued availability, i.e., ‗wise use‘ or ‗sustainable use‘. Preservation is the nonuse of a resource by which it is fully protected and left unimpaired for future generations.
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Why Preserve Nature/Biodiversity? : – Ecosystem Health – Aesthetic, Cultural, Spiritual Values – Economic/Anthropocentric Reasons – Factor of Unknown: Long-term Insurance for Human Health – Innate Value of Nature . . . E.O. Wilson‘s Biophilia : ―innate tendency to focus on life and lifelike processes‖ The one process now going on that will take millions of years to correct is the loss of genetic and species diversity by the destruction of natural habitats. This is the folly our descendants are least likely to forgive us. (E. O. Wilson)
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This note was uploaded on 06/06/2011 for the course ENVR 201 taught by Professor Carlarne during the Fall '10 term at South Carolina.

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Biodiversity & Nature Preservation -...

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