Human Impact EEE 105 Read Ch. 12. Human Impact renewable resource e.g. forests civilization ~...
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Transcript of Human Impact EEE 105 Read Ch. 12. Human Impact renewable resource e.g. forests civilization ~...
![Page 1: Human Impact EEE 105 Read Ch. 12. Human Impact renewable resource e.g. forests civilization ~ deforestation watershed management.](https://reader035.fdocuments.in/reader035/viewer/2022062222/5697bf7b1a28abf838c83cd1/html5/thumbnails/1.jpg)
Human Impact EEE 105
Read Ch. 12
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Human Impactrenewable resourcee.g. forests
civilization ~ deforestationwatershed management
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The campaign against The campaign against logging in National logging in National ForestsForests
48% of hardwood production palettes
National ForestsNational Forests
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Human Impactrenewable resourcee.g. forests
Judge Buzzcuts Timber Sales on American Forests
BENTON, Illinois, October 5, 1999 (ENS) - A small grassroots environmentalgroup has won a court ruling that shuts down timber sales on an estimated110,000 acres of U.S. National Forests across the country. This is thefirst time a federal judge has issued an injunction on the entire National Forest system. Chief Judge J. Phil Gilbert of the Federal District Courtfor the Southern District of Illinois ruled September 29 that the U.S. Forest Service acted illegally in allowing timber sales under a loophole known as the "categorical exclusion." The case was brought by Heartwood, a Bloomington, Indiana based regional forest protection network and two self-taught forest experts, Jim Bensman and Mark Donham.
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Mark Rey, Under Secretary of Agriculture
for Natural Resources
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Human Impactrenewable resourcee.g. forestsold-growth vs. secondary growth
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Human ImpactHuman Impactrenewable resourcee.g. forestsold-growth vs. secondary growth
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Human ImpactHuman Impactrenewable resourcee.g. forestsold-growth vs. secondary growth
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Human Impactrenewable resourcee.g. forestsclear-cutting
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Human Impactrenewable resourcee.g. forestssustainable forestlandssustainable forestlands
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CowbirdHuman Impactrenewable resourcee.g. forests -- fragmentation
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CowbirdHuman Impactrenewable resourcee.g. forests -- fragmentation
Dr. Scott RobinsonDr. Scott Robinson
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Human Impact
ExtinctionAdapt or go extinct
e.g. the Passenger Pigeon
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Human Impact
ExtinctionAdapt or go extinct
e.g. the Passenger Pigeonthe Dodo & Calvaria tree
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Human Impact
Extinction
Conservationists estimate that the current extinction rate is 1,000 to 10,000 times higher than it should be under natural conditions.
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Human Impact
ExtinctionWhy?
habitat destructionintroduced competitors and predators e.g. Hawaiian birds
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Human Impact
Two Nenes begging