温度被认为是影响种群动态的重要因子。
Populations of this pest display marked seasonal fluctuations in which temperature is considered the most important factor.
建立天敌胁迫下食饵种群动态模型的参数估计方法。
The paper gave the way to estimate parameter of the prey population dynamical model under natural enemy.
本文应用模糊聚类方法研究了烟蚜及其天敌的种群动态。
The present paper dealt with the population dynamics of Myzus persicae(Sulzer)and its natural enemies using fuzzy grouping analysis.
经典的鱼类种群动态模型是以稳定的种群行为为基础的。
The classical fish population dynamic models were largely on the basis of stable population behavior assumption.
通过对这些原因进行定量，可以更好地了解昆虫的种群动态。
By quantifying these causes the population dynamics of the insect would be better understood.
模型库中有主要害虫种群动态预测模型及动态防治指标模型。
The model system contains 3 kinds of main pests forecasting models and their dynamic economic thresholds models.
本文就桔全爪螨对黄葛树的为害性、种群动态和防治方法等进行了研究。
The Citrus Red Mite's(Paonychus citri Meg. ) harmfulness, the dynamics of the population and the toothed of control were investigated.
温度特别是对高温的反应差异是造成它们季节种群动态差异的主要原因。
Temperature, especially the different response to high temperature might bethe primary reason to seasonal population dynamics change.
他的野外研究项目是追踪马来西亚麝猫(印度尼西亚的一种小型雨林麝猫)的种群动态。
His wildlife research tracks the population dynamics of the Malay civet, a small rainforest carnivore in Indonesia.
并通过对其生长、残存和繁殖等统计学参数的描述，揭示了种群结构和种群动态。
Population size structure and population dynamics were elucidated with some statistical parameters, such as growth, survival and reproduction etc.
通过组建斜纹夜蛾自然种群连续世代生命表，对斜纹夜蛾的种群动态进行了研究。
The this paper, the population dynamics of Spodoptera litura was studied by establishment of continuous generation life table of Spodoptera litura.
根据直播稻区稻水象甲种群动态和分布特点，提出了相应的虫情调查和测报防治建议。
Some Suggestions for the pest forecast and control were also brought forward based on the characteristics of the pest population dynamics and distribution in the direct seeded rice field.
对舞毒蛾卵块的种群动态与温度、湿度等气象因子相关分析。找出了相关系数较大的因子。
Through the relationship analysis between the egg block population and the meteorological factors such as temperature and relative humidity, the good correlation factors are found.
本文研究了杭州西溪河浮游甲壳动物的种类组成、种群动态、生物量及其与环境因子的关系。
Community structure of planktonic crustacean in the Xiqi river, Hangzhou including species composition, population dynamics and biomass, was studied .
通过室内培养试验，研究了仲丁灵对土壤中三大类微生物种群动态变化和土壤呼吸强度的影响。
Effects of butralin on 3 major groups of soil microorganism population and soil respiration intensity were studied with cultivation, closed or direct absorption methods in laboratory, respectively.
本文以蚕豆和蚕豆蚜构成的人工种间关系系统为对象，研究了蚜虫种群动态和植物生理变化的关系。
The Experiments were carried out to study the relationship dynamics of Aphis craccivora population and Vicia faba between physiological stress on the basis of plant-insect experimental system.
并测定无菌土中木霉与病原菌的种群动态变化，结果表明木霉在土壤中对病原菌有一定的抑制作用。
Observation of the dynamic population changes in Trichoderma spp. and the pathogen of the disease showed that Trichoderma spp. had some inhibitory effect on the pathogen of the disease in the soil.
文章对该种的发现及意义进行阐述，对种群动态、栖息地环境现状进行分析，提出相应的保护策略。
The paper is to illustrate the significance of Ranodon sibiricus rediscovery and to analyse the development of its species and its habitat environment, providing corresponding protective tactics.
重要因子分析与关键因子分析相结合，有助于明确对种群动态产生实际作用控制因子及其作用强度。
It is very important for the dynamics of the insect with long longenity to analyse the important factors and key factors.
棉田捕食性天敌组成及种群动态经过系统调查，初步得出该垦区捕食性天敌隶属于7目15科28种。
The population dynamic and composition of predatory enemiesThe results indicated 28 species of predators belonging to 7 orders, 15 families, were found in coton fields.
本实验研究了位于渤海湾地区的海兴县海丰盐场卤虫的生活史、种群动态和盐度对种群和繁殖的影响。
The brine shrimp Artemia's life history, population dynamics and effects of salinity on population traits and reproduction traits were studied at Haifeng Saltworks, which situated along Bohai Bay.
通过对茭白二化螟的越冬习性、产卵习性、钻蛀及转移规律，田间种群动态、天敌种类进行了调查和研究。
This paper dealt with the overwintering, oviposition, boring and transferring behavior, population dynamics, and control of striped stem borer (SSB), Chilo suppressalis in Zizania fields.
应用计算机模拟技术，引入同龄组的概念，建立了适合于估测变温条件下粘虫种群动态的计算机模拟模型。
Using computer simulating technique and cohort conception, the simulation model of armyworm population dynamics under variable temperatures was built.
另一方面，理解调控种群动态和生态学交互作用的过程和因素也是困扰生态学家长达百年的重要生态学问题。
On the other hand, identifying what regulates population dynamics and allows ecological interactions to persist has vexed ecologists for almost 100 years.
研究结果为实时、快速、大面积监测蝗虫种群动态奠定了基础，并为合理、经济地防治蝗灾提供了科学依据。
These findings laid the scientific foundation for quick monitoring the dynamics of locust populations in real time and at large scale and efficient control of locust plague.
在长时间尺度上研究环境变化条件下的种群动态，有助于确定不同物种如何对新的生物和非生物条件做出反应。
Population dynamics studies under shifting environmental conditions over a longer time scale can help to determine how different species react to new biotic and abiotic conditions.
研究结果表明，该预测模型为农业害虫种群动态的中长期预测预报提供了一种新的研究方法，是一种优良的模型。
The results tested the pest data showed that the new method may be tried for the mid term or long term forecasting of the population dynamics of insect pests, and it is a good model for application.
森林生境片断化对生活在其中的鸟类产生着难以估量的影响，鸟类的种群动态、种群遗传和局部进化等都不同程度地受环境变化的影响。
Forest fragmentation has immeasurable effects on birds. The population dynamics, population genetics and local evolution of birds are to some extent affected by the changes of environment.
森林生境片断化对生活在其中的鸟类产生着难以估量的影响，鸟类的种群动态、种群遗传和局部进化等都不同程度地受环境变化的影响。
Forest fragmentation has immeasurable effects on birds. The population dynamics, population genetics and local evolution of birds are to some extent affected by the changes of environment.
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