玛多县鹰架招鹰控制害鼠数量项目效果初报  

PRIMARY REPORT ON PEST RODENT CONTROL BY EAGLE RACK

作　　者：刘晓建[1] 李卫民[1] 李淑君[1] 骆海强[1] 

机构地区：[1]青海省草原总站,青海西宁810008

出　　处：《青海草业》2004年第1期52-54,58,共4页Qinghai Prataculture

摘　　要：通过对果洛州玛多县26.67×104hm2鹰架招鹰生物控制害鼠种群数量项目区调查,在鹰架设立前鹰类日平均遇见数为12个,筑巢率为24%;鹰架设立后1年鹰类日平均遇见数为27.5个,筑巢率为72%,鹰架的招鹰效果为鹰架设立前的2.29倍,筑巢率是鹰架设立前的3倍。按鹰类非繁殖期每鹰巢一只鹰计算,项目区有鹰类1152只,其害鼠有效洞口减退率达25.71%。Smwey on rodent control by the eagle rack was conducted in the area of 26.67× m^2h m^2 in Maduo county, Guoluo prefecture. Number of wild eagle daily occurrence was 12 before setting up of the racks, and 27.5 after 1 year of setting up. Number of eagle occun'ence after the rack setting up was 2.29 times more than that before thek setting up. Rate of nest was 24%. Nest rate in 2003 was 72%, 3 times more than that before setting the racks. It was estimated that there were 1152 eagles in the project area if a nest carried one eagle, number of active burrow of rodent decreased by 25.71%.

关 键 词：玛多县 鹰架招鹰 生态控制 种群数量 生态平衡 草地鼠害 

分 类 号：S812.6[农业科学—草业科学]