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Philosophy of Conservation.
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Question Which has more value: a white spruce tree or a yew shrub? Alberta Agriculture Michigan State U
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Question Would you pay $1 to save the N. Atlantic right whale? 350 survive today NOAA
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Why Philosophy? Indian poem We are limited by what we know –Problems can only be defined by what we know –Solutions can only be developed by what we know Conser Bio is value ridden unlike ecology or pure sciences
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Why does conservation matter to people? Describes how we view the natural world and how we may react to conservation challenges
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History Found in religious teachings –Confucianism Nature interrelated Conserve nature to preserve human society –Buddhism Loving kindness to nature Still desire, reduce consumption
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Conservation & Religion Hinduism –Self realization –Respect for all life Christianity –Two views (dominion, connected) –Use/steward Islam –Respect for creation is respect for God –Conserve resources
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Human Value Systems Utilitarian value –Has value because it can be used E.g. forests for timber –Anthropocentric view Has value because people can use it
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Utilitarian value –Values: Goods (timber, fish, water) Services (sewage treatment, air filtration) Information (clouds/weather, crow mortality/West Nile, snow accumulation/avalanche) Spiritual, cultural and psychological (teachings using nature or natural objects (large pine tree to the Iroquois people), beautiful landscapes that draw in tourists, wilderness for canoe enthusiasts.
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Utilitarian value Under this view use of nature is good, non use a waste View prevalent in settling Canada Still reflected in our laws Both white spruce and yew have uses for people.
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Intrinsic value Has value itself People have intrinsic value How about other life forms?
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Intrinsic value Since living things and ecosystems are self organizing some consider they have intrinsic value If you said that you would pay $1 to save the N. Atlantic right whale you agree it has intrinsic value
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Ethics Changes in philosophy (value systems) has led to changes in ethics (moral code) Changes result from human experiences usually –Catastrophes –Tragedies –New knowledge Examples: forestry, fishing
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History of Western Ethics on Conservation mid 19 th Century –Ralph Waldo Emerson, Henry David Thoreau, and John Muir –Wild places as spiritual/mystical, have intrinsic value (transcendental conservation ethic) –Natural places need protection even if they have no economic value John Muir worked to protect Yosemite National Park & parts of the Sierra Nevada mountains. Resulted in the founding of the Sierra Club
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History of Western Ethics on Conservation Late 19 th Century Gifford Pinchot, Ted Roosevelt Need to protect areas because they had value to humans Utilitarian conservation ethic
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History of Western Ethics on Conservation Aldo Leopold “Sand County Almanac” Is a synthesis of the other two ethics Recognizes our interconnectedness with nature, We cannot separate what we think valuable from those parts that we see as not valuable All parts valuable Helicopter analogy
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Focus of Conservation Biology Understanding of species extinction –Speciation –Small population viability –Design of management practices –Genetic and demographic consequences
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Focus of Conservation Biology Conserve functional attributes of ecosystems –Habitat fragmentation –Change in composition and structure –Gap analyses –Landscape ecology –Island biogeography –Restoration ecology
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