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community type中文是什么意思

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用"community type"造句"community type"怎么读"community type" in a sentence

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  • 群落类型

例句与用法

  • Formations are often divided into subordinate community types characterized by their dominant species .
    群系可以按其优势物种的特征划分为一些次级的群落类型。
  • The results indicated that the vegetation could be classified as 4 physiognomy types and 16 community types
    结果表明,江湾机场的植被可划分为4个外貌类型、 16个群落类型。
  • A total of 28 community types were found on these pre - islands , comprising of 12 hassocks , 7 shrubs , and 9 forests
    共调查到群落类型28个,其中草丛12个,灌丛7个,森林9个。
  • The characteristics of four main forest community types were analyzed by typical sampling technology , diversity and diversity were calculated with various calculation methods
    摘要应用典型抽样法研究了三江源自然保护区4个主要森林群落的物种多样性,采用多种测度方法计算了各森林群落的多样性和多样性。
  • The structural diversity indices of all kinds of the community indicated that the community types , the other environmental factors , and human activity are main factors effecting structure diversity
    不同群落类型的结构多样性研究表明:群落类型、生境条件、各环境因子和人类活动是影响群落结构多样性的主要因素。
  • A small number of trees situated in the grounds of government , institutional or community types of land uses where access is in general not restricted , or where the public can conveniently view the target tree from the adjacent road , have also been enlisted
    一小部份则位于政府,公共机构或社区用途的土地上,这些地方可以允许市民进入或接近,以便市民观赏这些树木。
  • The ordination graph of preponderant species in the plant communities is very similar with the ordination graph of plant community types . and the distribution of preponderant species in the plant communities determines the distribution pattern of plant communities types to great degree
    植物群落中优势种的dca排序格局图与植物群落类型的排序图有很大的相似性,而且植物群落中优势种的分布在很大程度上决定着植物群落类型的分布格局。
  • 1 . study on classifying and ordination of plant communities : acording to the ecological relationship between plant species , plant communities and environment , we study the communities types , structure and distributing pattern of midland of taihang mountain by using twinspan , dca , cca , dcca and so on
    植物群落的分类和排序研究:应用twinspan分类和dca 、 cca 、 dcca等方法,从植物种、植物群落与环境的生态关系方面,研究了太行山中段各群落类型、结构及分布格局。
  • A preliminary study on the species composition , ecological characteristics and present distribution of vegetations in mengyang area , the largest part of xishuangbanna nature reserve , shows that there are 7 vegetation types , 15 formations , 24 community types in this area . the vegetation map was made by using gis software ( arc / info ) , and the area and distribution pattern of each community was obtained . the subtropical monsoon evergreen broad leaved forest occupies the largest part , with an area of 41 . 26 % of the whole , and the tropical rain forest occupies less than 10 % of the whole area . according to the topography , altitude , climate characters and present distribution of the vegetation , and based on the landscape type map , an original vegetation map under natural conditions was obtained , which could provid a theory for the vegetation restoration , especially for the tropical rain forest and its habitat , and for the development of the nature reserve
    对西双版纳勐养自然保护区植被的类型进行了划分,包括人工和自然群落,共有7个大类、 15个群系、 24个群落类型分布.对每个类型的主要组成种类、生态特征和分布现状进行了初步研究.利用地理信息系统软件制取植被图并获得了各种植被类型的分布面积和分布格局特征,这一地区亚热带季风常绿阔叶林的分布面积和所占比例最大,达总面积的41 . 26 % ;而热带雨林面积不超过总面积的10 % .依据地形、海拔、气候和现状植被分布的规律,在获得景观类型图的基础上,得到了可以反映这一地区在完全自然条件下植被可能分布的状况的还原植被图,为保护区的发展和植被的恢复提供了理论依据。
  • According to the sample area survey ; there are 120 species of plants belonging to 84 gener 47families in the 25 - year - old chinese fir plantation community which will succeed toward the direction simi - ler to the community type before the felling of evergreen broadleaved forest if it is let to develop naturally or the logging residues are not burnt after the felling of the chinese fir plantation due to the superiority of cas - tanopsis carlesii and schima superba in the aspling layer in it
    据样地调查,该25年生杉木人工林群落的植物有41科84属120种,群落的外貌特征以包括藤本在内的高位芽占绝对优势,叶特征以革质,单叶,中小型叶为主,由于该群落的幼树层以米储和木荷等占优势,若让其自然发展或杉木林采伐后不炼山,并排除其它人为干扰,该群落将向与常绿阔叶林采伐前的群落类型相似的方向演替。
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