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Environmental Science ch 13
Terms in this set (25)
To reverse degradation and restore native ecosystems
Repairing ecosystem function, but not to original condition
Transplanting organisms from an external source to a site where they have been previously reduced/eliminated
Using chemical, physical, or biological methods to remove pollution while causing as little disruption as possible
Employs stronger, more extreme techniques to clean up severe pollution or create a newly functioning ecosystem on a seriously degraded or barren site
Compensation for destroying a site by purchasing or creating one of more or less equal ecological value somewhere else
-First head of the U.S. Forest Service.
-Pioneer in resource management
-Promoted science-based management of trees as a commercial resource for logging
-Pioneer in restoration ecology with theories of game management, conservation, and land restoration.
-He wrote a land ethic stating that responsible land stewardship meant the land was capable of self renewal
Protection Programs for animals involve
removing invasive species, reintroducing native vegetation, creating nesting burrows, and protecting against predators
Benefits of restoring forests
-logging companies reforest cut areas
How trees improve our quality of life
-provide wildlife habitat
What is an essential tool for Savanna Restoration
Using living organisms to remove toxins
Bacteria can remove toxins from water if they are provided with
oxygen and nutrients
The Surface Mining Control and Reclamation Act
Requires mine operators to restore the shape of the land to its original contour and re-vegetate it to minimize impacts on local surface and groundwater
Reduce sediment entering streams by providing what?
Redirect water with...
Barriers to deflect current
44% of streams suffer degradation, mostly due to ....
Sedimentation and excess nutrients
Artificial Wetlands can be used to...
Treat sewage and collect storm runoff
Wetland mitigation is required when...
A development destroys a natural wetland, but it often does not replace native species and ecological functions
Clean Water Act 1972
Began protecting streams and wetlands from pollution discharge
Farm Bill 1985
Blocked agriculture subsides to farmers who damaged wetlands
Ecological services that wetlands and streams provide
Food and habitat for a variety of species
Coastal wetlands absorb storm surge
1/3 of endangered species spend at least part of there life where?
How is fire essential to prairie restoration
It kills weeds, and removes soil nitrogen
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