生态种群

The composition and biomass of them were studied,and the ecological distribution sections of every alga were summarized.

分析了各地区春季不同月份藻类的种群结构和平均生物量变化，总结了各藻的生态分布区域。

This paper consists of three parts: Firstly, we discuss a nonautonomous -species two-patches cooperative Lotka-Volterra diffusion system. Using Brouwer fixed-point theory and Liapunov function, under some conditions, we obtain that the system has a unique globally asymptotically stable positive periodic solution. Secondly, we consider a kind of nonautonomous predator-prey model, in which preys are with stage structure and the predator are with two patches.

中文摘要：本文分三部分讨论三类生态模型周期解或概周期解的存在性及全局渐近稳定性等内容：第一部分讨论了两斑块种群的互惠Lotka-Volterra扩散系统，运用不动点理论和构造Liapunov函数，得到了系统存在唯一一个全局渐近稳定的正周期解的充分条件。

We prove uniform persistence and global attractability bythe comparable theory and constructing Lyapunov function method.

本文第三章中，提出了既具有反馈控制项，又有扩散项和α_i类功能性反应函数的n种群非自治Lotka-Volterra竞争生态系统。

Therefore, the research scope of modern ecology in individual organisms, population and biological communities, human society has been expanded to include various types of compound ecosystem system.

因此近代生态学研究的范围，除生物个体、种群和生物群落外，已扩大到包括人类社会在内的多种类型生态系统的复合系统。

Traditional theory of ecological carrying capacity, which was established on the basis of quantitative dynamic of natural biological population, met extreme challenge while applied to human ecosystem research.

建立在自然生物种群数量动态基础之上的承载力理论，当其应用于人类生态系统的研究时，遇到了极大的挑战和困惑。

Pattern of use for these resources was analyzed from three vegetation types by examining species-specific niche breadths, overlaps and partitions of resource utilization as well as population sizes.

对于这些资源利用的格局是通过对存在于三种类型植被中蝗虫种的生态位宽度、资源利用的分化和重叠以及每种蝗虫的种群大小来分析的。

A multi-agent/mobile-agent platform, which stems from computational infrastructure agent grid has been designed and prototyped. As a node of grid, on each platform simulations of evolutionary processes of multi-nodes synchronous processing associated with individual inter-generation communication and individual migration between elementary populations can perform coadaptation based cooperative coevolution of the multi-population as a whole system, such as the case of the three species ecological system.

各网格节点的计算环境都支持单/多种群进化过程仿真，可分别执行不同的演化算法，模拟特定参数集合制约下的协适应共进化过程，如三物种生态系统的可持续进化，已由多节点同步执行算法、代间通讯及子群间个体转移进行演化过程仿真。

In this article, we investigate the exact controllability of a class of population model.

本文研究了一类单种群生态模型的精确能控性问题。

Calanus sinicus is the dominant planktonic copepod in the Yellow Sea and the East China Sea. The population abundance is high in spring and decreases in summer .

中华哲水蚤是我国黄海和东海中浮游桡足类中的优势种，其种群的数量变动影响到整个海洋生态系统的结构和功能的变化。

As an important physiological phenomenon in marine copepoda,diapause is a significant factor to influence the fluctufion of population.

海洋桡足类在海洋生态系统中占有重要的地位，其重要的生理现象一滞育是影响其种群数量变动的重要因子。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。