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  • [林] 地位指数;生境指数

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  [林] 地位指数

...生产力.立地质量也可指在某一立地上既定森林或者其它植被类型的生产潜力.1.1.2地位指数地位指数地位指数Site index)是指在某一立地上特定基准年龄时优势木的平均高度值.依据林分优势木平均高与林分优势木的年龄的关系所编制的表为地位指数表,其...

基于258个网页-相关网页

  生境指数

... 生境破坏 Habitatdestruction ; habitat dislocation ; Habtat dstrtn 生境指数 site index 生境群 habitat group ...

基于172个网页-相关网页

  [林] 立地指数

stage(1973),wyko坝1982)等提出单木生长模型,在这些模型中不需要立地指数site Index),年龄以及林木的位置信息,模型的基本单位为单个树木,这些模型对于同龄纯林以及异龄混交林都一样的适用【4】。

基于40个网页-相关网页

  指数法

(2)利用林分高评定立地质量  地位指数法site index)  基准年龄(reference age) 的确定方法:  树高生长趋于稳定后的一个龄阶  采伐年龄  自然成熟龄的一半年龄  材积或树...

基于8个网页-相关网页

短语

site-index table 地位指数表

site productivity index 地位生产力指数

site quality index 立地质量指标

site-index 地位指数

site map index 站点地图索引 ; 网站地图索引

quantitative site index 数量化地位指数

the site index 地位指数

Standardized site index 标准化地位指数

 更多收起网络短语
  • 地位指数 - 引用次数:20

    Finally, some tables including site index list of picea were drew up to describe and evaluate picea site quality quantificationally.

    最后,编制出云杉地位指数表等数表。

    参考来源 - 云杉(Picea asperata)天然林可持续经营理论与技术
    立地指数 - 引用次数:13

    The results show that remote sensing vegetation indexes NDVI and TNDVI and site index from field measuring have linear relation on the whole.

    研究结果表明,遥感植被指数NDVI和TNDVI与野外实测云杉立地指数(SI)基本为线性相关。

    参考来源 - 云杉(Picea asperata)天然林可持续经营理论与技术
    地位指數
  • 生境指数
  • 地位指数
  • 森林生境指数
    地位指数

·2,447,543篇论文数据,部分数据来源于NoteExpress

Site index

  • Site index is a term used in forestry to describe the potential for forest trees to grow at a particular location or "site." Site is defined as “inherent characteristics of the physical environment”; furthermore, the word site is used in forestry to refer to a distinct area where trees are found.

以上来源于: Wikipedia

双语例句权威例句

  • Can I create a Web site index myself?

    自己创建网络索引吗?

    article.yeeyan.org

  • How do you keep a Web site index up to date as the site changes?

    怎样网站内容改变保持索引更新

    article.yeeyan.org

  • If you choose to create a Web site index on your own, some training in indexing is recommended.

    如果自己创建一个网站索引,需要进行一些方面的培训

    article.yeeyan.org

更多双语例句
  • In fact, less than a week after MEGA launched, its users—whether sloppy, defiant or just plain stupid—have done just that and posted links to their own files on an index site (seemingly operated out of France) called MEGA-SEARCH.

    FORBES: Obvious Infringement: MEGA Now Has A Crowdsourced Index And Guess What?

  • The 15-person staff at Craig's List, the popular community message board, acts as a rapid response team to keep people from harassing each other by name before one of the 150 search engines that index the site grabs the offending page.

    FORBES: Google Me Not

  • The second problem in the new privacy settings is that Facebook is letting search engines index content from the site.

    FORBES: Connect

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