Spatial Distribution Characterstics of Root Volume of Caragana spp. and Grass Compound Model at Siziwang Banner in Inner Mongolia

The paper analyzes the correlation among grazing pressure,present productivity and animal carrying capacity of the grasslands in Siziwang Banner,Proposes some suggestions for grassland management.

The annual yield of dry grass in the natural pasture of Chaganbuligesumu of Siziwang banner in Inner Mongolia was 450 kg/ hm2 and the quality of forage grass and feed supplied by this natural pasture was evaluated to be 1st grade comprehensively.

Geochemistry and tectonic setting of the early Cretaceous shoshonite of Siziwangqi area,Inner Mongolia;

Analysis on Biologic Climate Resources and its Changes in Siziwangqi;

As a representative intrusion,the Damiao granitoids mainly consisted of mid-course grained granodiorite with abundant mafic microgranular enclaves(MMEs)in the north of Siziwangqi area and the MMEs provided important information for the genesis and evolvement of the granite.

A suit of highly potassic basalt bearing deep-source xenoliths has been discovered recently in the Siziwangqi area, Inner Mongolia.

There is a suite of mantle xenoliths bearing olivine basalt discovered recently in the south of Siziwangqi area, Inner Mongolia.

Heidashan area in Eji'naqi of Inner Mongolia is located in Sb mineralization perspective area of Beishan,and its ore-forming geological conditions are very favorable.