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JOURNAL OF DESERT RESEARCH  2012, Vol. 32 Issue (6): 1590-1596    DOI:
Biology and Soil     
Soil, Eco-hydrological and Vegetation Characters of Different Land Cover Types in Middle Reaches of Heihe River Basin
NIU Rui-xue, ZHAO Xue-yong, LIU Ji-liang
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
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Abstract  

The soil, eco-hydrological and vegetation characteristics of six land cover types, including 100-year irrigation farm land, new irrigation farm land, poplar plantation, scotch pine plantation, Haloxylon ammodendron plantation, and desert grassland, were studied in middle reaches of Heihe River basin. Results show that there are significant differences not only in eco-hydrological environment, soil structure, soil chemical properties, microbial species characteristic, but also in vegetation coverage, density and biomass among all the land cover types. Significant correlations are found between plant biomass and soil water field capacity, soil fine particle content, total nitrogen, soil organic carbon or soil C/N ratio for the different land cover types. The research provides theoretical reference for developing and protecting desert-oasis systems by changing the land cover, furthermore, it also provides scientific basis for understanding water-soil-atmosphere-plant interaction process and mechanisms under the influence of climatic change and human activities.

Key words:  land cover      soil ecology      vegetation factor      middle reaches of Heihe River     
Received:  26 December 2011      Published:  15 June 2012
ZTFLH:  X144  
Articles by authors
NIU Rui-xue
ZHAO Xue-yong
LIU Ji-liang

Cite this article: 

NIU Rui-xue, ZHAO Xue-yong, LIU Ji-liang. Soil, Eco-hydrological and Vegetation Characters of Different Land Cover Types in Middle Reaches of Heihe River Basin. JOURNAL OF DESERT RESEARCH, 2012, 32(6): 1590-1596.

URL: 

http://www.desert.ac.cn/EN/     OR     http://www.desert.ac.cn/EN/Y2012/V32/I6/1590

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