Objective Wild root voles make nest in the field because of the cold winter and the low temperature in summer ...
SUN Ping~(1,22),XIONG Jianli~1,ZHU Wenwen~1,ZHAO Xinquan~3,WANG Dehua~2 (1.Henan University of Science and Technology,Animal Science and Technology College,Luoyang 471003, China) (2.State Key Laboratory of Integrated Management of Pest Insects and Rodents,Institute of Zoology, Chinese Academy of Sciences,Beijing 100101,China) (3.Northwest Plateau Institute of Biology,the Chinese Academy of Sciences,Xining,810008,China)
