搜索结果: 1-2 共查到“森林经理学其他学科 CONSERVATION”相关记录2条 . 查询时间(0.078 秒)
Integrating soil conservation, water production and timber production values in forest management planning using linear programming
Linear programming forest ecosystem soil conservation water production timber production net present value
2010/9/14
Forest management focuses on the control of forest ecosystems based on the sustainable use of forest values without damaging ecological integrity. Although, timber would easily be characterized and va...
Assessing the need for species conservation action in British Columbia
peripheral populations recovery plans Species at Risk Act
2009/2/11
Assessing needs for conservation action is a challenge anywhere, but will be particularly so in British Columbia. Relatively few North American recovery plans have succeeded. The great species richnes...