Investigation and Evaluation on Ancient Ginkgo Tree Resources in Luotian County of Hubei Province;

Present Situation and Countermeasures of Z. bungeanum Maxim Industry Development in Gucheng County;

Physicochemical properties and microelement contents of soil and their effects on the alpine Allium chrysanthum Regel in Wufeng County of Hubei Province were studied with field investigation and laboratorial analysis in the paper to provide scientific recommendations for the development of alpine Allium chrysanthum Regel resourceses.

Through analyzing the result of landslide the evaluation index system was established,the importance of index was determined by using hierarchical analysis method,a simple way about the assessment of landslide hazard is established by taking the Badong County in Hubei Province for example,hazard analysis is carried on the new city Huangtupo,it provides a basis for hazard division and prevention.