Urban Forest Ecological Construction 城市森林生态建设
ecological forest construction 生态林建设
forest-soil ecological construction 森林土壤生态建设
However, the externality of forest ecological effect makes its value cannot be compensated, which becomes principally limit factor for forest ecological construction.
但由于森林生态效益的外在性，使得其价值补偿无法实现，从而成为我国森林生态建设的根本性制约因素。
Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock.
生态环境林、城市防护林建设，天然林资源保护，水土保持，林业苗木生产及综合利用开发等。
The state-owned forestry region is the largest reserve resource of forest and supply base of timber in our country, bearing the important task of ecological construction at the same time.
国有林区是我国最大的森林后备资源培育基地和木材及林副产品供应基地，同时也担负着生态建设的重任。
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