Abstract: It was an effective and economical way that the relationship of food chain between eagle and rodent was used to control the latter.
Abstract: It was an effective and economical way that the relationship of food chain between eagle and rodent was used to control the latter.
文摘:利用鹰、鼠的食物链关系招鹰灭鼠，控制鼠类猖獗为害，是草地鼠害防治经济有效的途径。