河北林果研究
河北林果研究
하북림과연구
HEBEI JOURNAL OF FORESTRY AND ORCHARD RESEARCH
2009年
3期
276-279
,共4页
退耕还林%生态效益%评价
退耕還林%生態效益%評價
퇴경환림%생태효익%평개
returning farmland to forest%ecological benefit%evaluation
以石家庄市为例,采用土壤蓄水量法、影子工程法等方法对退耕还林工程取得的水源涵养、水土保持、改良土壤、改善环境等方面的效益分别进行量化评估,确定工程建设取得的数量化的生态效益.
以石傢莊市為例,採用土壤蓄水量法、影子工程法等方法對退耕還林工程取得的水源涵養、水土保持、改良土壤、改善環境等方麵的效益分彆進行量化評估,確定工程建設取得的數量化的生態效益.
이석가장시위례,채용토양축수량법、영자공정법등방법대퇴경환림공정취득적수원함양、수토보지、개량토양、개선배경등방면적효익분별진행양화평고,학정공정건설취득적수양화적생태효익.
It had been implemented to return farmland to forest for ten years, and how was the engineering construction benefit was concerned by social sectors. In this paper, the soil water storage method and shadow engineering method were used to evaluate quantitatively the benefits of water conservation, soil and water conservation, soil improvement, and environment improvement, and to detemiine the quantitative ecological benefit on returning farmland to forest in Shijiazhuang.