摘要
较全面地论述了森林生态效益估测与评价方法 ,并以黑龙江森工林区为例 ,求出该林区1 3个方面 2 4项生态效益价值相当于全省国内生产总值的 2 3.0 % ,林木年生长出材量价值只相当于年生态效益的 1 /1 5。
This paper exposits fully the prediction and evaluation methods lf forest ecological benefits.And as illustration,study was carried out in forest industry region in Heilong jiang province.the result sohws that:the total value of 13sorts(or 24 items)of the orest ecological benfits,in terms of currency,is equal to 23.0% of this province GDP,while as the value of annual tinber growth is only 1/15 of forest ecological benefits.At last,ways to improve the forest ecological benefits were discussed.\;Key Word:forest ecological benefit,perdiction,evaluation,method,scientific managementcontent of starch,crude protein,amino acid,twelve essential amino acid,crude fat,soluble carbohydrate and others of spring maize,and effects of variety,irrigation,applying fertilizers,film and other conditions on the nutrient quality of spring maize.
出处
《华东森林经理》
2000年第4期14-19,共6页
East China Forest Management
关键词
评价方法
森林生态效益
估测
森林经营
森林管护
Spring maize
Nutrient quality
Influential factors
In the irrigated region of plain in Inner Mongolia
