The search exception is clarified and some relief ways to illegal search are provided in the laws.

Integrated investigation methods for the marine geo-environment in coastal zones.;

Discussion on investigation method of surface source pollution in Songhuajiang river basin;

This paper deals with the investigation methods and the ecological characteristics of the fouling communities in the South China Sea including species composition, the horizontal and vertical distribution of fouling organisms and the seasonal change of their abundance.

This paper analyzes the problems in current forest resource investigation methods,puts forward that forest continuously investigation and forest management investigation should be separated to adapt the demand of time and new situation.

Based on the characteristics of artificial forests of He xi area in Gansu,particularity of investigation methods has been proposed.

The occurrence pattern of Hylobitelus xiaoi Zhang was mastered and investigation methods for its situation were summarized based on the investigations and observations which lay a foundation for its control.