查询词典 silviculture

Key laboratory of silviculture and consrevation , ministry of education ; college of natural resources and environment , beijing forestry university,100083 , china

作者单位：森林培育与保护教育部重点实验室·北京林业大学林学院，北京 100083

For the annual investigation and design of regeneration and silviculture, conforming the

地条件。林业局森林调查设计队负责林业局每年更新造林作业的调查和设计工作，确定造林地

Key Laboratory for Modern Silviculture Technology of Zhejiang Province, Zhejiang Forestry University,311300 Lin′an,Zhejiang,China

浙江林学院浙江省现代森林培育技术重点实验室，浙江临安311300；2。南京农业大学园艺学院

The afforestation practices demonstrated that without guidance of system theory, the efficiency of the forestry production had been influenced, and the further development of silviculture was also restricted to some extent.

人工造林实践表明，缺乏系统思想和理论的指导不仅给林业生产造成了一定不利影响，同时还会限制森林培育学科的进一步发展。

This is the website of the Oxford Forestry Institute, which fully incorporated into the Department of Plant Sciences for some reason recently. It is devoted to forestry research in the areas of ecology, silviculture, sustainable management and biodiversity.

这是牛津林业科学研究所的网站，该所是于近期与牛津大学植物科学系合并的，专注于生态学、森林学、森林的可持续管理和生物多样性等方面的林业科学研究。

College of Resources and Environment, Beijing Forest University,The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing P.

北京林业大学资源与环境学院，北京林业大学省部共建森林培育与保护教育部重点实验室，国家林业局干旱半干旱地区森林培育及生态系统研究重点开放性实验室，北京，100083

Above research results have great significance for studying establishment and succession ofmangrove ecosystem, collecting plantable tidal flat of mangrove silviculture, and researchingsea-level change with mangrove peat.

关于红树林生长带与潮汐水位关系的研究，自从早期红树林浸淹等级分类研究）'以来，开展的专门研究甚少，以至于新西兰著名盐生植物专家Chapman在其遗

This article assures that silviculture of Tilia amurensis and Larix olgensis mixed forest is successful, by the means of studying on the growth of these two tree species and their interspeeific relationship.

本文通过对椴树(Tilia amurensis Rupr。)落叶松混交林生长和种间关系研究，肯定了营造椴、落混交林是成功的，合理混交能促进椴树和落叶松生长。

Tropical secondary forest management of China was proposed initially after the People's Republic of China established soon in 1951, but the purpose was wood use with main management method of closing hillsides to facilitate afforestation from 50's to middle of 80's in 20 centuries Up to late of 80's, large-scale management activity from timber production concerting to ecological silviculture began in relative economical prosperous regions, such as Guangdong, and the construction scale of natural protect district enlarged.

中国的热带次生林经营在中华人民共和国成立后不久的1951年开始提出，但在20世纪50至80年代中期，主要以利用为目的，经营方式以封山育林为主。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。