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Comparative studies on above ground numerical characteristics and their relationships with soil moisture of two kinds of natural grassland in loess hilly region

ZHANG Na,LIANG Yi min (Institute of Soil and Water Conservation,Chinese Academy of Science and Ministry of Water Resources,Yangling,Shaanxi 712100)  
The investigation and determinations were conducted throughout growth season in two kinds of natural grassland: Artemisia gmelinii community and Stipa bungeana community in Ansai,north Shaanxi.The comparative studies were explicated from soil moisture condition,seasonal appearance and plants composition,structure,above ground numerical characteristics (including biomass,height,base coverage),relationships between above ground growth and soil moisture to reflect above ground growth of naturalgrassland communities under different site conditions in forest steppe zone of Loess hilly region.
【Fund】: “九五”国家科技攻关安塞试区专题
【CateGory Index】: Q948.1
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