1、

Study on the forecast of the population dynamics of mandarin vole

棕色田鼠种群预测预报研究

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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。

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4、

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

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The Population Dynamics and Prediction of Larch Sawfly

落叶松叶蜂的种群动态和预测预报

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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。

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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

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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。

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Population dynamics on black bear resouces in Hubei Province

湖北省黑熊的种群动态

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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

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Conclusion The important elements of population dynamics were the population age structure, the pregnant rate, the reproductive indices and the population number of other species ( little Chinese jird, northern three-toed jerboa and striped hamster).

结论影响种群数量变动的主要因素有种群年龄组成中幼年组的百分比、怀孕率、繁殖指数以及该地区子午沙鼠、三趾跳鼠和黑线仓鼠的数量。

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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

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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

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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。

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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

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Studies on the population dynamics and prediction in Striped Hamster

黑线仓鼠种群数量动态预测研究

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Study on the population dynamics prediction of broad bean aphids

蚕豆蚜数量动态预测研究

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Research fields: Partial differential equations, Biological population dynamics.

研究方向:偏微分方程、生物种群动力学。

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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。

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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

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