The three year transylanting of pinus Euiothii in Yaan Region,Sichuan Province, shows that the afforestation density of this kind of trees is1.5× 2, 0m and the style of soil in mountainous region, the optimumapplying fertilizer in per hectare is N 170Kg, P 119Kg, K 86Kg.
The results of research on community structure characteristics and biological productivity of man-made Acacia dealbata protective forest in Toutang mountain area in Jinshajiang river watershed indicated that the biomass and productivity of Acacia dealbata plantation of 5 years attain 4200t/hm2 and 830t/hm2 respectively.
Reeves's Pheasant (Syrmaticus reevesii) is an endemic and peculiar species to China, distributing over the mountain area of central China, from 26°-34°Iatitude, 104°-117° longitude and a typical oriental species.
Under some natural conditions together with some conditions weaker than (AR) condition, we prove that the above problem has infinitely many solutions by a symmetric version of the Mountain Pass Theorem if .
Lichuan, located at the foot of the Wuling Mountain in southwest Hubei Province of central China, is well known in the world for the discovery of the living fossil Metasequoia glyptostroboides Hu >amp;amp; Cheng in the 1940s.
Impacts of fractal features of soil on moisture infiltration capacity of typical stands in Jinyun mountain of Chongqing city
tabulaeformis populations in Huanglongshan Mountain.
tabulaeformis populations in Huanglongshan Mountain so that the communities will develop continuously.
With a temperate continental monsoon climate, the mountain area belongs to the warm temperate deciduous broad-leaved forest region.
Yunmeng belongs to the middle type, between the warm and dry northern mountain area and the warm and damp southern mountain area.
A majority of them are different from the Longfengshania found in the Neoproterozoic Changlongshan Formation, Yanshan Mountain area, North China and the Little Dal Group, North America.
Considering a large number of endemic species (28% of the total fauna), the Central Asian mountain area should be recognized as an independent region rather than a subregion of the Sahara-Gobi Desert region.
The results of the spatial analysis technique of GIS and correlation analysis showed that most settlements (78.2 %) were located in the mountain area at 1500 ～ 2700 m altitude, and almost half in the arid valley area.