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Results 1 - 10 from 78 for sustained yield in 0.366 sec.

basic ideas
This approach is called sustained yield, meaning that, baring a fire or insect infestation, harvesting and regrowth may stay in balance for an extended time, and (3) harvest beyond sustained yield, depleting the forest's ability to replenish itself so that the forest dies. Knowing how economists and politicians think about forests ...
www.cotf.edu

Resource Candidate SDI
Element Characteristic: Amount of Fish Fish Stock Use (166 NOAA) Definition: Fish stocks/percent fully utilized SDI Framework Element: Productive Capacity (1.2.1.6) Element Characteristic: Amount of Fish Marine Max Sustained Yield (295 UN CSD) Definition: Division in stock of marine species from maximum sustained yield (or another level) (%) SDI Framework Element: Biota Population (1.2.1.2.1) ...
www.hq.nasa.gov

The Official PPRC P2 Quiz: Episode 2, The Pollution Menace
Building News at http://www.buildinggreen.com/features/straw/straw.html. B. Add one point. Certified wood is lumber that has originated in a forest managed in accordance with sustained yield, habitat protection, soil conservation, watershed management, and other environmental standards. To find certified wood products, visit WoodWise at http://www.coopamerica.org/woodwise/directory.htm. C. Add ...
www.pprc.org

Sequoia photos
Sequoia National Forest. Removal of trees, except for personal use fuel wood, from within the monument area may take place only if clearly needed for ecological restoration and maintenance or public safety." ...
forestsforever.org

History of Environmental Conservation
Water Pollution Control Act provides federal grants for water treatment plants. 1958 Congress appoints the Outdoor Recreation Resources Review Commission to study and report on the nation€™s future needs. 1960 The Multiple Use-Sustained Yield Act defines the purpose of the national forests to admit nonmaterial benefits. 1962 President John F Kennedy and ...
education4conservation.org

Native Forest Council: Learn
The federal government ordered the Forest Service to maintain a "sustained yield" and keep a reserve of timber on these publicly owned forests. But private forests were quickly razed and World War II, followed by the subsequent housing boom, drove up the demand for publicly owned timber. ...
forestcouncil.org

Save The Redwoods/Boycott The Gap: Forestry Issues
Louisiana Pacific ( ... of high quality timber products," while protecting other forest values. In writing its own so-called "sustained yield" rules, industry has re-written the Forest Practice Act, with the complicity of the ...
gapsucks.org

Save The Redwoods/Boycott The Gap: Letters & Articles
Gap logging triggers grass roots boycott of Gap stores - - from the Mendocino County Environmentalist, October 1998 "L-P Forests Destroyed Using Board of Forestry's 'Sustained Yield' Rules" -- Albion River old growth targeted by the Gap investors -- - from the Mendocino County Environmentalist, September 1998 "OVER 1,000 ACRES OF LOGGING PROPOSED FOR ELK CREEK" alarming new legal ...
gapsucks.org More from this site

The Greater Yellowstone Ecosystem - Frequently Asked Questions
U.S. Forest Service is mandated to wisely manage the resources under their administration for a variety of sustainable uses. Based on the principle of multiple use and sustained yield espoused by professional foresters like Gifford Pinchot, national forests instituted a broad program that included timber and mineral extraction, hunting, fishing, and livestock grazing, as well as ...
greateryellowstone.org

Down by the Riverside
North American nature wrought by Europeans since the seventeenth century. It has been estimated that between the arrival of the first European colonists in the early seventeenth century and the adoption of sustainedyield forestry in the first decades of the twentieth century, the original forest cover of the United States over that same ...
www.erica.demon.co.uk