>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-6 共查到Sanjiang Plain相关记录6条 . 查询时间(0.062 秒)
Sanjiang Plain of Heilongjiang Province has become an important commodity grain base in our country after the construction of more than a century. Groundwater is the main water source for industrial a...
The Sino-German Project between the China Agricultural University and the University of Cologne, Germany, focuses on regional agro-ecosystem modelling. One major focus of the cooperation activity is t...
Sanjiang Plain is the largest freshwater marsh wetland in China. Carex lasiocarpa and Carex limosa are two dominant species in the area. The niche of C. limosa is similar with C. lasiocarpa and both s...
Using the methods of combining landscape ecology with GIS spatial analysis, this paper analyses the dynamics of the marsh landscape structure of the Sanjiang Plain in the past 20 years, fu...
Up to 1949, wetlands stretched continuously and accounted for 80.17% of the total area of plain part of the Sanjiang Plain. However, wetlands in the plain have gone through 4 periods (1956...
Abstract: Five pollen zones are identified in Yangmu peatland of Mishan region located at 45o34´N, 132o23´E through sporo-pollen analysis. The changing process of paleovegetation...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...