sustained yield


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sustained yield

(sə-stānd′)
n.
The continuing yield of a biological resource, such as timber, by controlled periodic harvesting.
References in periodicals archive ?
Alaska's careful stewardship of salmon is unique: The hallmark of our fishery management is rooted in the Alaska Constitution, requiring the state's resources to be "utilized, developed, and maintained on the sustained yield principle.
In every case, fish stock size was greater when the aim was to maximise economic returns, rather than sustained yield.
However, Gerald Eve said in a note this week: "We expect returns to fall over 2007 and 2008 as the sustained yield compression that has driven property performance finally ends.
5 million hectares , which will have a sustained yield of up to 22 million cubic meters of logs .
The Trust has made progress in meeting its goals to preserve and protect the Caldera for future generations as well as to provide for public recreation and sustained yield management.
These lands are regulated for sustained yield of warbler nesting habitat and timber production.
Based on published sustained-yield tables (McCullough 1979; Downing and Guynn 1985), deer populations in the farmland region may currently exist at 35-40% of ecological carrying capacity, while the deer herd in the hill country may be near maximum sustained yield (MSY; 56% of ecological carrying capacity).
Immediately, the Environmental Protection Information Center (EPIC) in Garberville and the Sierra Club filed suit against the California Department of Forestry (CDF), the state Fish and Game department (DFG), and MAXXAM/PL over the deal's 120-year Sustained Yield Plan, which governs some 210,000 acres of forest.
Because Homer does not own its own forests, it is dependent upon its trading partners to exercise the best harvesting and sustained yield practices that are feasible.
This revolution cannot be piecemeal: incremental changes, such as adding awareness of ecological constraints to the conventional model of multiple use and sustained yield, are not enough.
For example, sustained yield began as a "philosophy of conservative resource husbanding," but the Forest Service transformed it into a "philosophy of wealth maximization" (41).
Environmentalist pressures against purchase of these hardwoods has a limited effect, Holm said, because of the price and reassurances by foreign governments that the wood is coming from sustained yield forests instead of rain forests.
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