Chinese Minority Ecopolis Research——Take County Town of Tianzhu Tibetan Autonomous County as Example;

Temporal changes of grassland vegetation,soil and soil microbial population in the Tianzhu alpine region;

Dynamics of soil microbial population under disturbance in Tianzhu Alpine grassland;

Study on the land-use and land-cover change of Tianzhu County through 3S technology;

Study on Land-Use and Land-Cover Change of Tianzhu County in Gansu Province;

Based on the market price retrograde method,the unit stock and unit area of different trees with different age and sequence forest value of all stands in Qilian mountain of Tianzhu county churchyard were preliminary estimated.

It is discussed the relationship between underground water macroscopic anomaly and earthquake from 1983 to 2000 in Tianzhu area,and 6 events are analyzed,and the results show that the underground water macroscopic anomaly is related well with the time and magnitude of earthquake.

Frequency spectra of Tianzhu earthquake sequence are analysed by using the fast fourier transform and the maximum entropy spectrum methods and results by the two methods are compared.

By means of bioassay in laboratory and pot-culture method,we studied the allelopathy of 12 poisonous plants from natural grassland in Gansu Tianzhu on the seedlings of Brassica campestris L.

Analysis on Present Resources and Counter-measure on Protection and Utilization in Tianzhu White Yak;

Based on the current situation,the breed resource conservation,development and utilization of Tianzhu white yak were analyzed and discussed with the emphasizing the relationship between conserva- tion and utilization,the appropriate way of development and some fundamental works need to be stressed in the conservation of Tianzhu white yak.

By the technology of polymerase chain reaction-restriction fragment length polymorphism(PCR-RFLP),genetic polymorphism of part sequence of αS1-casein gene and κ-casein gene in Tianzhu white yak was tested.