2) community types
群落类型
1.
liaotungensis populations in different community types were analyzed in five sampling scales(2m×2m,3m×3m,4m×4m,5m×5m and 10m×10m)using David and Moore s index,Lloyd s index,Morisita index and the methods by comparing mean square and block size.
为了揭示辽东栎种群空间分布格局的形成机制、种群分布规律和动态变化,采用标准地法,应用偏离指数、Lloyd的平均拥挤度和聚块指数、Morisita指数及均方-区组分析,在5个取样尺度下对不同群落类型中辽东栎(Quercus liaotungensis Koidz。
2.
The main target community types districte.
针对针叶林阔叶化改造目标的关键问题,通过大量的调查研究,分析树种间的关联程度、物种多样性程度、森林群落的模糊聚类和自然演替序列,表明针叶林的阔叶化改造目标,要根据演替进程和立地条件,分别确定由于时间和生境不同而产生的阶段目标和环境条件制约下的不同目标群落类型,实行科学分类指导。
3.
mongolica populations was analyzed along four altitude grades, three community types and three latitude grades by using ISSR DNA technique.
海拔及纬度因子显著影响樟子松天然林群体的遗传多样性水平,不同群落类型对群体的遗传多样性影响不大。
3) community type
群落类型
1.
Community types,phenology and propagation characteristics of Taxus mairei in North Guangdong.;
粤北南方红豆杉的群落类型及物候与繁殖生物学特性
2.
In this paper,the community types of broadleaved-Korean pine mixed forest in Northeast China were identified,and the groups of tree relationship were established based on TWINSPAN.
运用TWINSPAN分类方法,对我国东北阔叶红松林群落类型进行划分,对乔木层树种进行聚类,并对东北地区长白山、大秃顶子山、平顶山和丰林保护区4个样点的物种多样性进行对比研究。
3.
With the help of TWINSPAN classification and DCA ordination,the secondary forests were classified into 5 community types,including Fraxinus rhynchophylla community,Quercus mongolica community,Broadleaved stand community,F.
结合DCA排序和TW IN SPAN分类结果,将辽东山区天然次生林划分为5个群落类型:花曲柳林、蒙古栎林、阔叶混交林、水曲柳林、胡桃楸林。
4) type of community
群落类型
1.
The paper introduce the present resources of mangrove in Guangdong province, detail its species, amounts, type of community, distribution, succession etc.
文章介绍了广东省红树林的资源现状 ,包括红树林的种类、群落类型、数量、分布、群落演替类型及生长环境等 ;分析了广东省红树林植物群落的分布规律及广东红树林植物群落的 4个演替阶段 ;指出红树林演替系列是与生态序列相一致的演替特
5) Community classification
群落分类
1.
Three association classes, two association groups and thirty associations were identified by the community classification methods.
〕在广西各个自然区域都有广泛的栽培,本文利用群落分类的方法将广西的杉木林划分出3个群丛纲,2个群丛组,30个群丛。
6) syntaxon
群落分类群
补充资料：国民经济类型划分
国民经济类型划分,是指以生产资料的所有制性质和国家有关法规为依据划分经济类型的规定。根据《关于经济类型划分的暂行规定》，目 前，经济类型可划分为以下几种：国有经济；集体经济；私营经济；个体经济；联营经济；股份制经济；外商投资经济；港、澳、台投资经济；其他经济。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条