Companion species of Distylium.
对中华蚊母原生境伴生种区系的研究,旨在保护好这一三峡库区抢救植物并为三峡库区及其他区域消落带建设提供参考。
Study on niche of main associated tree populations in Phyllostachys heterocycla Pubescens natural mixed forest;
毛竹天然混交林乔木层主要伴生种群生态位的研究
Application of Apriori algorithm to selection of Chinese fir′s associated tree species;
Apriori算法在杉木伴生树种选择中的应用
Selection and allocation of associated tree species for Loblolly pine plantation in hillock areas of Southern Anhui Province;
皖南丘岗地区火炬松人工林伴生树种的选择与配置
Spatial distribution pattern of Chinese fir and its associated tree species in Mount Hutuo;
半天然杉阔混交林杉木及其伴生树种种群空间格局
In this paper,the percentages of importance value of castanopsis carlesii and its associated species are regarded as the measure of the competitive parameter,and the dominant degree of normal stands are regarded as their environmental capacity.
以米槠及其伴生树种在正常纯林和伴生树种为优势种组成的阔叶林中的优势度为环境容纳量,用重要值百分数求取种间竞争系数,采用Lotka-Volterra竞争方程研究米槠林的共优种群(米槠与其伴生树种)种间竞争关系。
The percentages of importance value of Phoebe bournei and its associated species were regarded as the measure of the competitive parameter ,and the dominant degree of normal stands were regarded as their environmental capacity.
在福建省明溪县闽楠保护小区内以闽楠及其伴生树种在正常林分和伴生树种为优势种组成的阔叶林分中的优势度为环境容纳量, 用重要值百分数求取种间竞争系数, 采用Lotka Volterra竞争方程研究闽楠的共优种群(闽楠及其伴生树种)种间竞争关系 结果表明平衡时,闽楠及其伴生树种相对优势分别为76 85%和23 15%, 说明闽楠种群在天然林中群落中处于支配地
This paper deals with the selection of optimal accompanying tree species for Chinese fir from 61 potential mixed tree species in the natural mixed stands which are habitat in four kinds of groups of site type by means of Fuzzy cluster according to ecological species group s theory.
根据生态种组原理 ,应用 Fuzzy聚类方法从 4种不同立地类型组的杉木天然混交林中 61种杉木潜在伴生树种中选择杉木适宜伴生树种 ,结果如下 ,中山阳坡组适宜伴生种有 7种 ;中山阴坡组适宜伴生种有 8种 ;低山阳坡组有 8种 ;低山阴坡组有 1 3种 ;不同立地类型组中 ,杉木适宜伴生种除个别种之外 ,绝大多数是不同的 。
A third group of species with diagnostic value are the constant companions.
具有鉴别价值的第三组植物是恒有伴生种。
Competition and Coexistence of Leymus Chinensis and Its Main Companion Species in the Songnen Grasslands;
松嫩草地羊草与其主要伴生种竞争与共存研究
Allelopathy of Pinus Massoniana to Itself and Its Company Species;
马尾松自身化感及其与伴生种之间的化感作用
Photosynthetic characteristics comparison between an invasive plant,Lantana camara L.,and associated species
入侵植物马缨丹(Lantana camara)及其伴生种的光合特性
Constant companions are added to the character taxa to form the "characteristic species combination" for associations and higher taxa.
恒有伴生种加特征种构成群丛或更高级分类单位的“特征种组合”。
Development Research on the Main Companion Communinity during Rice Growing in Rice-duck Complex Ecosystem;
稻鸭复合生态系统中水稻主要伴生种种群动态研究
Different Guan Niu Bang Populations of Plant Biodiversity and Analysis the Main Companion Species
关牛蒡不同居群植物生物多样性及主要伴生种分析
Studies on the Comparison of Biological Characteristics and Eco-Physiology between the Alien Species of Conyza Canadensis and Erigeron Annus and Its Companion Species;
外来种小飞蓬、一年蓬及其伴生种生物学特征与生理生态特性比较研究
A Preliminary Screening Method of Associated Bacteria in Two-stage Fermentation of Vitamic C
一种Vc二步发酵伴生菌的初筛方法
The reaction produced some oxides and other by-products.
该反应产生了几种氧化物和其他伴生物。
Can men of different races live as partners?
不同种族的人们能成为伙伴一起生活吗?
Study on Silkworm Genus Industry Pattern of Economic and Cooperative Fellowship;
经济合作伙伴关系的蚕种生产模式研究
Study on the Structure of Phyllostachys Heterocycla Mixed Forest and Selection of Associated Tree Species for Phyllostachys Heterocycla;
毛竹混交林结构及其伴生树种选择研究
Pathogenicities of Three Begomoviruses and Their Associated Satellite DNA;
三种双生病毒及其伴随卫星DNA的致病性研究
Study of Robinia Pseudoacacia Autointoxication and Interspecific Allelopathy between Robinia Pseudoacacia and Its Associated Tree Species
刺槐自毒作用及与主要伴生树种化感作用研究
Study on Associated Species Selection for Cupressus lusitanica in Semi-Dry and Hot Stone Mountain Area
半干热石质山地墨西哥柏伴生树种选择研究
We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.
我们发现沥青铀矿物中至少含有两种放射性物质：与铋伴生的命名为钋，与钡伴生的命名为镭。
Racial laws and racial hatred were to follow Edward Kennedy Ellington all through his life.
种族法律和种族仇恨伴随了爱德华?肯尼迪?艾灵顿一生的时间。