This paper sums up and summarizes the evolution and development of population ecology theory.

The research of the population ecology theory applies to the organization filed mainly concentrates on the discussion of two sides: the relation between organization and environment,and the relation between organization clusters or inside.

This paper reviews several "liability" theory on new venture organizational mortality,compare with the difference of explanation on new venture survival among population ecology theory,institution theory and resource-dependent theory.

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 study on Handeliodendron population ecology in South Guizhou;

This paper gives the review on research in China about forest musk deer population from classification,geographical distribution,system decomposition,population ecology and cultivation,based on the l.

In light of the relevant references, the population ecology research progress of Tomicus piniperda of Pinus yunnanensis was reviewed from the aspects of the factors affecting the damage of the pest, life cycle, period of shoot feeding and trunk attacking, population dynamics, life table, spatial distribution pattern and forecast of occurrence.