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A method for designing cost-effective wilderness allocation alternatives


, : A method for designing cost-effective wilderness allocation alternatives. Forest Science 27(3): 551-566

A linear programming model is described which selects a least-cost set of wilderness areas from the RARE II (roadless area resource evaluation) inventory for California; it is used to derive a wilderness supply cost function. Wilderness opportunity cost is defined as loss of revenue obtained from non-wilderness use. Results showed that the marginal cost of additional wilderness in dollars per acre and per visitor day is negligible up to 2 million acres.

US$29.90


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ZhaoWeiJin; GaoQiFu; YangJiMing; LiuAiQin, 2008: Experiment on the direct establishment of a walnut plantation by raising rootstocks in the field. Walnut rootstock seeds were soaked in water for 5-7 days and then mixed with sand and placed in a warm bed for promoting germination. The seeds began to germinate 10-15 days later. When the field soil temperature was over 10 degrees C, the germina...

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