population dynamics

Study on the population dynamics prediction of broad bean aphids

蚕豆蚜数量动态预测研究

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.

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 United Nations' Food and Agriculture Organization believes that as a result of population dynamics and rapid income growth, the role of developing countries in commodities market developments is increasing at a rapid pace.

联合国粮食及农业组织（FAO）认为，由于人口变动和收入快速增长，发展中国家对大宗商品市场走势的影响力正在迅速上升。

Relationship of the population dynamics and the age composition of three rodents in rural districts of northern Huaihe river, Anhui

安徽淮北农区三种鼠的种群数量动态与年龄结构的关系

Population dynamics of Aphis gossypii Glover in transgenic cotton fields and an analysis of the related influencing factors

转基因棉田棉蚜种群动态及相关影响因子分析

The bifurcation of positive periodic solution for a periodic reaction-diffusion equation with delay arising form population dynamics model

人口动力学中一类含时滞周期反应-扩散方程的正周期解分歧

This paper quantitatively analyzes the infinite population dynamics system of the gene pool GA and discusses the influence of the solution space scale on the stability of the gene pool GA.

对基于基因池重组遗传算法的无限种群动力系统进行了分析，讨论了参数搜索空间规模对系统稳定性的影响。

Population dynamics and life history patterns for main marine fishes in the coastal waters of China

中国近海主要鱼类种群变动与生活史型的演变

A Preliminary Study on The Population Dynamics of Moss Soil Fauna

苔藓土壤动物种群动态的初步研究

Effect of the application of N fertilizer on population dynamics of major pests in cotton field

施氮量对棉田主要害虫种群动态的影响

On the population dynamics of oriental fruit fly in Yunnan Province

云南桔小寡鬃实蝇种群动态研究

Studies on the population dynamics and prediction in Striped Hamster

黑线仓鼠种群数量动态预测研究

Traditionally, population dynamics studies a closed system in which environmental factors are dealt with simply, making it difficult to understand its mechanism in ecology.

在传统上，种群动力学主要研究环境因子简单处理的封闭系统，在生态学机制理解上存在缺陷。

Effect of Transgenic Cotton on the Population Dynamics of Insect in Sichuan Cotton Region

四川棉区转基因抗虫棉对棉田昆虫群落的影响

By the black light lamp lure and investigation day after day, the population dynamics of Lepidoptera phototactic insects in hill area of lower Taihang Mountain is studied.

采用黑光灯引诱逐日调查的方法，研究了太行山低山丘陵区鳞翅目趋光性昆虫种群数量动态变化规律。

Population dynamics on black bear resouces in Hubei Province

湖北省黑熊的种群动态

The population dynamics and structure of this species, including the horizontal and venial distributions, seasonal variation and size distribution, were studied by panel test and positional sampling.

通过挂放试板和定点取样，研究其种群动态和结构，包括水平分布、垂直分布和季节分布，以及壳长的组成。

Study on the forecast of the population dynamics of mandarin vole

棕色田鼠种群预测预报研究

The Population Dynamics and Survival Strategy of Wild Chinese Alligator

野生扬子鳄种群动态及其生存对策

Population dynamics is an important part of theoretical ecology.

种群动力学研究是理论生态学的重要部分。

Research fields: Partial differential equations, Biological population dynamics.

研究方向：偏微分方程、生物种群动力学。

Law of Population Dynamics and Reproduction of Rattus norvegicus in Sandu County

三都县褐家鼠种群数量动态与繁殖规律

Population dynamics and reproduction characteristic of mid-day gerbil under farmland disturbance in desert region

荒漠区开垦干扰下子午沙鼠种群数量动态与繁殖特征

In vitro and planta bioassays of engineered endophytic bacteria in cotton with cotton bollworms Population Dynamics and Insecticidal Gene Stability of Engineered Endophytic Bacteria in Cotton

棉花抗虫工程菌对棉铃虫的离体及活体生物测定抗虫工程菌在棉株内的动态变化和抗虫基因分化率研究

Discussion on Population Dynamics of Bamboo Snout Moth and the Forecasting Technology

竹螟种群变化与预测预报技术的探讨

Studies on the simulation of the population dynamics of the maize weevil growing good corn

玉米象种群动态模拟的研究

The Population Dynamics and Distribution of Golden Apple Snail in Paddy Fields

福寿螺在水稻田的消长规律及其田间分布动态

The indirect habitat gradient analysis of the succession of vegetation on zokor hillock and the description of population dynamics

鼢鼠土丘植被演替的间接生境梯度分析及种群动态

The Population Dynamics and Prediction of Larch Sawfly

落叶松叶蜂的种群动态和预测预报

With the increasing development of natural science, in the field of natural science including physics, population dynamics, theory of control, biology, medicine, economies and edging field, many mathematical models which are described by differential equations and difference equations are proposed.

随着科学技术的进步与发展，在物理学、种群动力学、自动控制、生物学、医学和经济学等许多自然科学和边缘学科的领域中提出了大量由微分方程和差分方程描述的具体数学模型。