On experimental ecology of the marine ciliate Paranophrys magna Ⅳ: effects of competition on population growth;

Influences of humidity and photoperiod on population growth of Pseudaulacapis pentagona (Targioni-Tozzetti).;

Effects of different feeds on population growth and reproduction of Brachionus plicatilis;

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

Morphological variations between the wild population and hatchery stock of Tanichtys albonubes;

Status and conservation strategy of the wild population in the Crested Ibis, Nipponia nippon;

Genetic diversity of two wild populations in Pinctada martensii;

The concept and characteristics of VEIP are first generalized,and then,on the basis of comparability between VEIP and ecological species,the ecological characteristics of VEIP is fully analyzed.

A life model of biological population is provided, in which each biological individual undergoes a process of birth, ageing, bearing children and death under the restriction of quantity of regenerable resource.

The relationship between the biological population dynamics and community structure was investigated by surveying species of tobacco pests and their natural enemies in tobacco fields in Qianxinan prefecture.