鸟类环志 足旗( leg flag)标记的方法使环志鸟类的回收率提高了5-20倍 ZhijunMa/SchoolofLifeSciences,FudanUniversity/No.2005SonghuRoad,Shanghai,200438,PRChina/E-mail:zhijunm@fudan.edu.cn10Zhijun Ma / School of Life Sciences, Fudan University / No. 2005 Songhu Road, Shanghai, 200438, PR China / E-mail: zhijunm@fudan.edu.cn 10 鸟类环志 足旗(leg flag)标记的方法使环志鸟类的回收率提高了5-20 倍