北京林学会 关键词: 侧柏,人工林,林分结构,北京,十三陵林场 [gap=875]Key words: Platycladus orientalis, Planted forest, Stand structure, Beijing, Shisanling Forest Center
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man planted forest 成林性质
industrial planted forest 工业人工林
chinese fir planted forest 杉木人工林
Planted forest plays an important role in ecology,economy and society,so it is necessary to do a research on sustainable management of planted forest in China.
人工林具有巨大的生态、经济和社会效益,因而研究中国人工林如何实施可持续的经营很有必要。
参考来源 - 中国人工林可持续经营·2,447,543篇论文数据,部分数据来源于NoteExpress
At that rate China could add 10% to the world's total area of planted forest-which the FAO puts at 264m hectares, about 7% of the total forested area-in just five years.
按照这个速度,在未来五年之内中国就将为全球的森林种植面积增加10%。这个数字,根据联合国粮农组织估计,为2亿6400万公顷,将占到全球森林覆盖率的7%。
In the stage of the biological reclamation, I have studied the soil improvement method, the planted forest technology and the farming and forestry multiplexed system.
而生物复垦阶段则研究了覆土改良方法、人工林技术和农林复合系统。
The degenerated ecosystem was transformed into the fine ecosystem obviously, and the degenerated land can be used reasonably by building the planted forest of Tamarindus indica.
通过罗望子人工林的营建,可以明显促使退化的生态系统转变为优良的生态系统,使退化土地得以合理利用。
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