species population

The seasonal ecological features of phytoplankton community including its species composition, population size, dominant species, saprobic indicator, diversity index and diatom biotic index were preliminarily studied at 22 sampling stations in the Chaohu Lake, Anhui Province.

对巢湖浮游植物在22个样点，四季采样，进行了种类组成、种群数量、优势种、污染指示种，多样性指数及硅藻指数等群落生态学的初步研究。

There exists certain degree of similarities between industrial clusters and species population.

产业集群与生物种群具有一定的相似性.

Non-autonomous population dynamics model for single species with Allee effect affected by human activities and its application: A case study of red-crowned cranes Grus japonensis

人类活动影响下具有Allee效应的非自治种群演化模式的研制及其应用&以丹顶鹤为例

The characteristics of population variation and species diversity in succession processes of Karst vegetation in Yangshuo in Guangxi have been studied by a spatial series representing temporal series.

采用时空替代法研究广西阳朔岩溶植被在演替过程中的种群变化和物种多样性。

In the fixed sample plot at different habitats, the growing process of an endangered species, Adenophora lobophylla Hong population was observed.

在不同生境条件下的固定样地内，观察分析了裂叶沙参种群的地上部分在一个生长季的生长过程和物候特点。

As the main prey of endangered Snow leopard ( Uncia uncia) and the important international hunting species of China, the population and distribution of Blue sheep ( Pseudois nayaur) and Ibex ( Capra sibirica) has always been more concern.

岩羊（Pseudois nayaur）和北山羊（Capra sibirica）作为全球濒危物种雪豹（Uncia uncia）的主要捕食动物，同时也是重要的国际狩猎物种，其种群数量及分布特征一直是人们比较关注的问题。

The real extinction problem, he says, is human population pressure: habitat destruction, pesticide abuse, overharvesting, and species invasion.

他说，真正的灭绝问题是人类的人口压力：居住地的破坏、滥用杀虫剂、过度捕杀、物种入侵等。

But before they can be assured, more efforts must be made, because the population of the crane in the wild is on the decline, and many other species appear headed toward extinction.

它们得到保护之前需要我们做更多努力，因为野生鹤的数量正在下降，许多其他物种也似乎正在走向灭绝。

Current Status of Wintering Population of Black-faced Spoonbill in Haifeng Avian Natural Reserve, Guangdong, China Ardeidae bird is one of important species belonging to wet land ecosystem, and regarded as indicator for environmental assessment.

广东海丰鸟类自然保护区黑脸琵鹭越冬种群现状鹭科鸟类是湿地生态系统中重要的生物种类之一，也是环境质量评价的一类指示动物。

Spatial autocorrelation study of population genetic structure of two orchid species

采用空间自相关分析研究两种兰科植物的群体遗传结构

Allele frequencies and species specificity of six short tandem repeat loci in Chinese population

成都汉族群体六个短串联重复序列基因频率及其种属特异性研究