Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China;
Graduate School of Chinese Academy of Sciences,Beijing 100039,China;
Department of Environmental Science and Engineering,Northeast Normal University,Changchun 130024,China;
Faculty of Animal Science and Technology,Jilin Agricultural University,Changchun 130000,China;
bats; echolocation call; identification of species; discriminant analysis;