CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 11,2002, Pages 1425-1428,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 11,2002, Pages 1511-1515,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 11,2002, Pages 1433-1436,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 11,2002, Pages 1399-1402,