摘要
通过对民和县退耕还林还草区鼢鼠密度和危害程度的调查,结果表明:全县危害面积达8000hm2,平均密度为13.27只/hm2,年损失牧草807.55×104kg,相当于0.55×104个羊单位的年饲草量,应尽快抓好防治工作。
A survey on the harm of Myospalax fontanierii on pastureland rehabilitation showed that that there were 8000hm2 of pasturelands under the harm influence of Myospalax fontanierii 13.27 per hm2 and caused total 807.5X104 of forage producing annually,equal to the needs for 0.55X10 sheep units.
出处
《青海草业》
2003年第3期46-47,共2页
Qinghai Prataculture
关键词
退耕还林还草区
鼢鼠
牧草损失
:Rehabilitation of pasturelands
Myospalax fontanierii
Forage lose.
