13 - Lecture 14 Forest Resources 1 Renewable sustainable...

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1 Lecture 14: Forest Resources 1. Renewable & sustainable resource use 2. Forest lands in Indiana & nationwide 3. NEPA 4. Issues in forestry 5. Forests of the world Recap of last lecture’s final points Seeds of conflict in Arctic NWR : – We are more dependent now on foreign oil than we were in 1970s, when we had 2 recessions due to oil prices. – ANWR is one of best possible remaining sites for domestic oil production, but estimated supply is “only” 6 months’ supply. – National wildlife refuges should protect wildlife, but oil industry wants access to the most critical part of refuge for breeding caribou. – When caribou don’t make it to ANWR coastal plain, they do very poorly. Renewable resources • Those that can be expected to be replaced by natural or human processes within a reasonable time. • Examples: annual crops, timber, seasonal natural products (e.g., mushrooms, berries.) Nonrenewable resources • Those that can’t be expected to be replaced in a reasonable time. • Examples: fossil fuels, minerals, old-growth forest (“but isn’t that timber?”) Extinction of species Sustainable resources • Ecological definition: harvest (use) of a product that allows it to be replaced quickly by the ecosystem. • Economic definition:
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13 - Lecture 14 Forest Resources 1 Renewable sustainable...

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