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。
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。
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。
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
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。
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。
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
From the studies on soil principal components of the typical forest communities in Xishuangbanna, the following results are given:1.
通过对西双版纳各植被类型典型群落的土壤主要成分的研究,得出以下结论:1。
Research on Plant Communities Category and the Optimized Transform of Linpan in Chengdu Plain
川西林盘植物群落类型划分及其群落优化改造研究
PLANT COMMUNITIES EXCLUDED IN THE BOOK OF "THE VEGETATION AND ITS UTILIZATION IN XINJIANG": I.THE DESERT PLANT COMMUNITIES;
《新疆植被及其利用》专著中未曾记载的植物群落类型 Ⅰ.荒漠植物群落类型
A community-type, as a class-concept, is inescapably an abstraction.
群落类型，作为一个阶级概念，无疑也是一种抽象。
Research on Soil Permeability of Different Plant Communities Types in Jinyun Mountain;
缙云山不同植物群落类型土壤入渗性能研究
A Research on Soil Principal Nutrient Components and Different Communities in Fengyang Mountain
浙江凤阳山不同群落类型与土壤养分关系研究
Study on the Structure of Woody Plant Community of Urban Park and Species Relationship
城市公园木本植物群落类型及树种相关性研究
Biomass of Fine Root in Different Community Type on the Tibetan Vegetation Transect
拉萨-林芝植被样带不同群落类型的细根生物量
Community types and ecological adaptation characteristics of the riparian forest in upper reach of Wenyuhe Watershed
文峪河上游河岸林群落类型及其生态适应性
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。
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。
Study on the vegetation and diversity characteristics of Prunus divaricata For m. in Western Tianshan Mountains of Xinjiang Province;
新疆西天山野樱桃李植物群落类型(群系)及物种多样性分析
Influencing the presence and type of other species in the community.
在生物群落中影响其它类别的存在和类型的
Inhibitory effects of different types aquatic macrophyte communities on blue-green algae
不同类型水生植物群落对蓝绿藻类的抑制作用
Community” is used as the common name for every community type.
本表采用通用名词“群落”作为各类型的称谓。
STUDY ON GAMASID MITE COMMUNITIES OF SMALL MAMMAL IN SOUTHWESTERN SICHUAN PROVINCE
川西南地区小型兽类体外寄生革螨群落研究
Small Mammal Community Succession after Rechange the Cropland into Lake in Dongting Lake Region;
洞庭湖区退田还湖工程对小型兽类群落的影响
Study on the Communities Structure of Soil Animals in Different Greenland Types of Baoding;
保定市不同绿地类型土壤动物群落结构的研究
Studies on Characteristics of the Macroalgae Community in Niangziguan Spring, North China;
娘子关泉域大型藻类群落结构特征的研究