The study on living‐suitable index and spatial distribution of grasshopper
Introduction In recent years,Grasshoppers did increasingly serious harm to grassland with a speed of above 1.5 hundred million acre per year, resulting in degradation of large area of grassland and decreased yield of grass. In order to control grasshoppers effectively and forecast the occurrence of Grasshoppers,we must clarify the relationship between their occurrence and ecological environment first.
grassland Living‐suitable Index grasshopper ecological factors Oedaleus asiaticus B .‐Bienko
Shan Li-yan Dong Yong-ping
20 Building Maizidian Chaoyang District,Beijing
国际会议
呼和浩特
英文
2008-06-29(万方平台首次上网日期,不代表论文的发表时间)