Forests are not only trees, and forest ecosystems are more fragile, longer-lived and less closely controlled than crop fields.
森林不仅仅是树木，森林的生态系统更加脆弱，寿命更长，与农田相比更松散的管理模式。
Second, it must foster the satisfaction of future global needs for food and forest products without compromising the sustainability of the earth's fragile natural resources or its climate.
第二，它必需在不影响地球脆弱自然资源可持续性或者气候的情况下，促进满足将来全球对粮食和林产品的需要。
Irrational land use and forest cutting have resulted in the serious degradation, the decrease of land productivity and the water and soil erosion in the fragile soil system and forest system.
不合理的土地利用方式和对森林的不合理砍伐导致脆弱的土壤系统和森林生态系统的严重退化、生产力下降和严重的水土流失。
The heart of the forest is beating still, and there is hope of regrowth, but it is fragile.
森林之心安静地跳动，重获生机的希望仍然存在，但却是脆弱的。
While China is a country with poor forestry resources, the whole function of forest ecosystems are very fragile, and the contradiction between the needs of society becomes increasingly intense.
而我国木材短缺，森林资源总量严重不足，森林生态系统的整体功能非常脆弱，与社会需求之间的矛盾日益尖锐。
While China is a country with poor forestry resources, the whole function of forest ecosystems are very fragile, and the contradiction between the needs of society becomes increasingly intense.
而我国木材短缺，森林资源总量严重不足，森林生态系统的整体功能非常脆弱，与社会需求之间的矛盾日益尖锐。
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