种群调节

海南岛无翼坡垒种群调节研究

Study on the Population Regulation of Hopea exalata in Hainan Island

小型哺乳动物的母体效应及其在种群调节中的作用

Maternal effect and its role in population regulation of small mammals

密度因素在布氏田鼠种群调节中的作用

Density factor in the regulation of brandt 's vole population

放牧生态系统的种群调节&正反馈和负反馈

The population regulations in grazing ecological systems : positive and negative feedback

种群调节是种群生态学的一个核心问题。

Population regulation is one of the most important problems in population ecology .

小型哺乳动物种群调节探讨

The probing of the population regulation in small mammals

格氏栲种群调节模型的研究

A study on regulative model of Castanopsis kawakamii population

双性不育优于单性不育，同时探讨了大仓鼠种群调节中的关键因子。

The key factors in population regulation of the hamster were also discussed .

生物种群调节方式探讨

The Probing of Biotic Population Regulation Mode

现在必须研究在种群调节中内生性种群过程起重要作用的可能性。

Now the possibility must be investigated that endogenous population processes are important in population regulation .

由于种群调节机制的复杂性，使得目前所有的理论难免具有片面性和局限性。

Because of the complicacy of population regulations system , all theories can not avoid its and limitation .

本研究结果为动物种群调节的冬季免疫增强假说提供了一个新的野外例证。

Our results provide new evidence from wild Mongolian gerbils to support the hypothesis of winter immunoenhancement hypothesis .

以放牧生态系统为例，本文分析了系统组分种密度相关的种群调节中的正、负反馈和机制。

Taking the grazing ecological systems as an example , the positive and negative feedback of the density dependence population regulations was analysed .

种群调节是理论生态学中关键的问题，它是解决群落与生态系统学中许多问题的核心。

The population regulation is the key question of the theoretical ecology , and it is an nucleus of many questions to resolve community and ecology .

小型哺乳动物种群系统调节新复合因子理论研究：食物可利用性、捕食及种间竞争相互作用对沼泽田鼠（Microtusfortis）种群动态及空间行为的效应与机制

Studies on the New MultiFactorial Hypothesis of Population System Regulation in Small Mammals : The Effects Pattern of Food Availability , Predation and Interspecific Competition on Population Dynamics and Spatial Behavior for Reed Vloes , Microtus Fortis

寄生虫对宿主种群的调节

Regulation of parasites on host population : a brief review

自相食对种群的调节效应

The regulation effect of cannibalism in the dynamics of the population model

荒漠一年生植物小画眉草的种群动态调节与模拟

Population regulation and dynamical simulation of annual plant Eragrostis poaeoides in desert region

辽河鲇种群生殖调节机制研究

Studies on mechanism of reproductive regulation in population of catfish , Silurus asotus , in Liaohe River

布氏田鼠种群内部调节的研究&种群密度、肾上腺和生殖腺重量之间的相互关系

Investigations on population self-regulation in brandt 's voles & the relationships between population density , adrenal weight and gonadal weight

在一定范围内，二者的比值可直接反映有机质对植物细根的有效性，同时种群通过调节细根生长状况来适应限制因子间的配置关系。

Their ratio could reflect the importance of organic matter to fine roots , and the population could adapt to the ratio by adjusting the growth of fine roots .

在该算法中，使用种群选择和调节策略构成的种群更新方案，利用基于Pareto最优的评估方法对候选个体进行适应度评价。

The algorithm employs population updating scheme and fitness evaluation based on Pareto-optimal .

一类强调外部因子对种群数量的调节作用，称为外因调节假说；

One emphasize the role of extrinsic factors in the regulation of population dynamics , called extrinsic factors regulation hypothesis .

种群动态及其调节机制是蜜蜂种群生态学研究的核心内容，对丰富蜜蜂生态学理论和预测种群增长具有重要的意义。

Population dynamics and their regulation mechanisms were the core of honeybee population ecology , which were significant to enrich honeybee ecology and forecast population growth trend .

进而探讨了这种制约作用对其冬季取食量和冬季存活率的影响，以及对种群数量的调节意义。

We discuss the influence of such constraining effects on the forage intake of these goats and their winter survival rate , as well as its implication for population regulation of these goats .

东亚飞蝗种群数量中的调节机制

The regulatory mechanism in population fluctuations of the Oriental Migratory Locust

它是子代对环境异质性的一种表型反应，是种群进化的一种动力，也可能是种群调节的一种机制。

This effect is also a phenotype reaction of offsprings themselves to the environmental heterogeneity . It is an important source of evolutionary dynamics , and might be a mechanism of population regulation .

在论析赋予自然选择以强大说服力的种群生态学思想时，进一步挖掘了他对种群内部调节机制的认识；

When discussing the species ecology thoughts which enhanced the persuasions of the natural selection theory , this paper explored his cognition about the regulated law among the species .

无性生殖和有性生殖并存，并根据生境和入侵阶段权衡的繁育对策不仅使入侵种群大面积暴发成为可能，而且直接影响散布机制并对种群遗传结构具有调节作用。

The breeding strategies that agamogenesis and amphigenesis can coexist and trade off according to the habitat and invasive stage can not only promote the invasive population erupted massively , but also directly affect the dispersal mechanism and regulate the genetic structure of the population .

在对棕色田鼠种群年龄结构、繁殖强度等研究的基础上，探讨了种群消长机理和种群调节因子。

Further more based on the study on the population structure , the reproduction characteristics of mandarin vole from April 1992 to April 1995 , reasons of seasonal variation were studied , regulation factors were found .