Study On Floristic Geography Of Higher Plant In Guanying Mt. Nature Reserve, Shaanxi Province

Guanying Mt. Nature Reserve in Shaanxi Province is Located in the middle of the southern slope of Qinling, in Fuping County, mainly on the protection of the Giant Panda, Concurrently protects other wild animals and the forest ecosystem protection. the East protection is connect with Tianhua Mt. Nature Reserve of Shaanxi Province, the West and the Fuping state-level Nature Reserve is neighboring, the North is adjoin with the ZhouZhi state-level Nature Reserve, the South is border on Fuping niangniang Mt. Nature Reserve (wait construct), It is in the core position of the Qinling Nature Reserve, which have the extremely vital role to entire Qinling panda's gene exchange and the population rejuvenate. Therefore, study on the plant biodiversity is appearing especially important. The present paper is in the foundation of the predecessor works, analyzing to the higher flora of the Shaanxi Guanying Mt. Nature Reserve, meanwhile, the protected plants and resource plants has preliminary analysis, the particular result as follow:1. They have rich species and high species densities, The Shaanxi Guanying Mt. Nature Reserve has totally has 1 671 families of the higher plant (including infraspecific taxa), 668 genera and 194 species. Among their, The bryophyte have 43 species, 81 genera and 151 families, of which the liverworts total has 15 species, 19 genera and 34 families, and the true mosses total has 28 species, 62 genera and 117 families, the pteridophyt has 21 species, 44 genera and 92 families, the spermatophyte has 130 species, 563 genera and 1258 families.The area of plants species'density is big, It is higher than the Liupan Mt. Nature Reserve, the Changbai Mt. Nature Reserve, Anhui Huang Mt., the Ziwuling Mt. Nature Reserve and Huanglong Mt. Crossoptilon mantchuricum Nature Reserve, and is lower than the neighbor the Fuping Nature Reserve and the Shennongjia Nature Reserve.2. The dominant families, genera of bryophyte is poor, the dominant families, genera of Pteridophyt, Spermatophyte is obvious.3. The single-species genera and minor species genera are rich, the flora origin is ancient.4. The Geographic elements are comparatively complex, and the genera of temperate are the dominant areal. The flora relation is widespread, and it has the obvious transition.5. The Chinese endemic species is deficient. Among the Higher Plants'region, Chinese endemic species have two species of Sargentodoxaceae and Eucommiaceae, and 26 Chinese endemic genera. Among them, Anddiverse bryoflora has only the Giraldiella, Other are Spermatophyte. Pteridophyt, hasn't the Chinese endemic genera, but has forty Chinese endemic species. which is main composition of Southwest, the North and Central China Region. Anddiverse bryoflora has eighteen Chinese endemic species, which is mainly special composition of Southwest, the shaanxi and Qinling China Region.6. The protection and resources plants are comparatively rich. There are 19 families Rare and Endangered plant in the reserve, the key protection wild plant and Provincial level key protection plant, 19 families. The resources plants are even more rich, which has the Medicinal plant, 646 species ,the starch and carbohydrate plant, 127 species, the lipid plant, 146 species, the aromatic plant resources, 101 species, the textile plants, 115 species, the tanned plant, 110 species, the resin and gum plant and rubber and hard rubber plant, 19 species, Economical insect host plant,16 species.