The effects of intraspecific competition on the relationship between height growth and biomass of annual plants;
种内竞争对一年生植物高生长与生物量关系的影响
glauca decreased gradually with the increase tree diameter class and the intraspecific competition in C.
结果表明,青冈栎所受到的竞争强度随着林木径级的增大而逐渐减小,种内竞争明显较种间竞争剧烈。
The intraspecific competition of Japanese yew population was weak, accounting for 4 percent of total competition, and the main stress to the Japanese yew population came from interspecific c.
东北红豆杉的种内竞争强度不大,占总竞争的4%。
An interspecific competition experiment was conducted in a greenhouse to observe growth of E.
通过不同种植密度的紫茎泽兰盆栽试验,探讨种内竞争对紫茎泽兰个体生长的影响。
By using Hegyi,s competition index model for individual tree 〔 CI =∑ N j =1( Dj/Di )·1 Lij 〕, the intraspecific and interspecific competition in A.
根据调查资料 ,采用Hegyi提出的单木竞争指数模型CI=∑Nj=1 (Dj/Di)·1Lij对元宝山冷杉群落的种间、种内竞争强度进行定量分析。
By using Hegyi s competition index model individual tree, interspecific competition in Picea schrenkiana forest in Tianshan mountain, were investigated.
用Hegyi的单木竞争指数模型对天山云杉种内竞争强度定量分析结果表明 ,种内竞争强度随着林木径级的增大而逐渐减小 ;当天山云杉胸高直径达到 18~ 2 2cm以上时 ,竞争强度变化很小。
Influence of Intra-specific Competition on Population Dynamics of Bactrocera darsalis (Hendel)
种内竞争对桔小实蝇种群动态的影响
Interaction between arbuscular mycorrhizal fungi and plant intraspecific competition
AM真菌与植物种内竞争的互作效应
The Stability of Intraspecific Competition System for the Natural Enemies Which Possess Developing Rate;
具有开发率的天敌有种内竞争系统的稳定性
Effects of Arbuscular Mycorrhizal Fungi on Intraspecific Competition of Ligularia Virgaurea and Interspecific Competition between Ligularia Virgaurea and Elymus Nutans
AM真菌对黄帚橐吾种内竞争、黄帚橐吾与垂穗披碱草种间竞争的影响
There are as well as density-dependent biological factors such as disease, predation, and intraspecific competition
还有密度制约的生物因素,诸如病害、捕食和种内竞争等。
A Study of the Relationships of Intraspecific and Interspecific Competition in Lindera rubron0ervia;
红脉钓樟种内与种间竞争关系的研究
Application of competition index in assessing intraspecific and interspecific spatial relations between manchurian ash and dahurian larch.
利用竞争指数评价水曲柳落叶松种内种间空间竞争关系
Study on Intraspecific and Interspecific Competition in Exotic Species Sonneratia apetala
外来种无瓣海桑种内、种间竞争关系研究
Intraspecific and Interspecific Competition of Quercus Liaotungensis Community in Songshan Nature Reserve
松山自然保护区辽东栎群落种内、种间竞争关系
Intraspecific and Interspecific Competition of Taxus chinensis of Liuba in Shaanxi Province
中国红豆杉种内和种间竞争关系的研究
Domestic Trade,Competition and Industry s International Competitiveness;
国内贸易、国内竞争与产业国际竞争力
Studies on the Intraspecific、Interspecific Competition and Population Dynamics of Dominate Species in Malan Forest Region of the Loess Plateau;
黄土高原马栏林区优势乔木种内种间竞争及其种群动态的研究
Vegetation Succession of Arable Old Land After Being Abandoned in Loess Hilly Region of the Northern of Shaanxi Province, and Intraspecies & Interspecies Competition of Preponderant Plant in Different Succession Stages;
陕北黄土丘陵区撂荒演替及主要植物种内、种间竞争研究
The Researches on the Computer Modeling Experiment of Population Intraspecific and Interspecific Competition;
具有时滞的种内与种间竞争模型及其动态模拟分析
During the year, the council examined a number of measures and practices involving competition issues and forwarded the results of its analysis to the COMPAG.
年内,消委会检视过多种涉及竞争的措施和经营手法,并把检视结果交予竞争政策咨询委员会。
International marketing offers a way to counteract aggressive competition from foreign competitors at home.
国际营销提供了一种方式来对抗外国竞争者在国内咄咄逼人的竞争。
a competitive exhibition of horses.
一种关于马的竞争表演。
a competitive exhibition of dogs.
一种关于狗的竞争表演。