Phylogenetic diversity of microbes and its perspectives in conservation biology.;

The phylogenetic diversity measurements and their uses in biodiversity conservation;

Phylogenetic diversity and cold-adaptive hydrolytic enzymes of culturable psychrophilic bacteria associated with sea ice from high latitude ocean,Arctic;

The different implications of the two most controversial terms in taxonomic and evolutionary literature, "monophyly" and "polyphyly", are discussed in detail when they are used to explain the origin of taxa and to describe the phyletic diversity within a certain taxon respectively.

Biodiversity includes ecosystem diversity, species diversity , gene diversity and landscape diversity.

Based on Miami model,this paper calculated the human appropriation of net primary production(HANPP) in the middle reach of Heihe River basin,discussed the relations between the HANPP and ecosystem diversity,and compared the values of HANPP and ecological footprint(EF) in sustainability assessment.

This paper summarizes the progresses of the species diversity research of pteridophytes on both the method of biodiversity research and three aspects of biodiversity (species diversity,genetic diversity and ecosystem diversity) in the last twenty years in China.

The diversity is the important aspects of the system,and also the basic characteristics of the diversity system.

By analyzing the demand of talented persons and the types and levels of higher schools,this paper points out the research train of thought on unitarity and diversity of major teaching norms,and gives out suggestion for dealing with the relation between unitarity and diversity .