助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   forest typology 的翻译结果: 查询用时:0.005秒
图标索引 在分类学科中查询
所有学科
更多类别查询

图标索引 历史查询
 

forest typology
相关语句
  相似匹配句对
     forest .
     林。
短句来源
     Stylistic Typology
     文体类型
短句来源
     The Forest Sports
     森林里的运动会
短句来源
     Typology and Dialectology
     类型学与方言学
短句来源
查询“forest typology”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  forest typology
Structural variability was investigated at a local (intra-site) scale, in relation to the forest mosaic, and at a regional (inter-sites) scale, for its implication in forest typology.
      
Available surveys of forest typology were evaluated for their suitability in regeneration management and were found to be unsuitable, since they reflect the effects of borealization rather than true site conditions.
      
Natural regeneration and the height-age structure of small-leaved linden (Tilia cordata Mill.) under a forest canopy were studied with regard to specific features of forest typology on the Ufa Plateau.
      


The concept of forest site classification and its role played in forest science are explained. The development of the study of forest site classification arc described with different natural and historical background and different speciality experience of workers in various countries and areas. There have been produced many schools of forest site classifications and evaluations. In this paper, three main approaches of forest site classification are discussed in detail. Most of the inportant methods in these...

The concept of forest site classification and its role played in forest science are explained. The development of the study of forest site classification arc described with different natural and historical background and different speciality experience of workers in various countries and areas. There have been produced many schools of forest site classifications and evaluations. In this paper, three main approaches of forest site classification are discussed in detail. Most of the inportant methods in these approaches are introduced and evaluated. They are living factor combined method, leading factor combined method and soil-site study in physical enviromental factor approach; site class and site index method, forest habtat classification method and Sukachev's forest typology in vegetational factor approach and Bogelebyek's ecological forest typology, Baden-Wurttemberg multi-factor classification method and ecological site classification method in combined multi-faetor (ecosystem) approach. Some advances in forest site classification in our contry are introdueed.

本文对各具特色的森林立地分类途径,即非生物环境因子、植被和综合多因子(生态系统)途径的主要方法作了详细介绍和评价。在非生物环境因子途径中,分别讨论了气候、土壤和地形在森林立地分类中的作用,并对生活因子组合法、主导环境因子方法和土壤-立地研究方法作了重点评述;在植被途径中,阐述了植被在立地分类中的重要性和局限性,着重讨论了地位级与地位指数方法,美国西部的生境类型分类方法及苏卡乔夫的林型学说;在综合多因子途径中,论述了生态系统各组分在划分森林立地类型时的有效性和合理性,详细评述了巴登—符腾堡方法及其在美国发展形成的生态学立地分类方法和波格来勃涅克的林型学说。对我国曾采用的各种森林立地分类方法以及所取得的研究成果也结合在以上评述中作了详细介绍。通过以上各学派分类方法的比较,展望了未来森林立地分类研究的发展动态,并提出了目前急待解决的几个问题及其对策。

 
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关forest typology的内容
在知识搜索中查有关forest typology的内容
在数字搜索中查有关forest typology的内容
在概念知识元中查有关forest typology的内容
在学术趋势中查有关forest typology的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社