CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 11, Issue 2,2000, Pages 240-242,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 11, Issue 2,2000, Pages 290-292,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 11, Issue 2,2000, Pages 249-252,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 11, Issue 2,2000, Pages 219-222,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 11, Issue 2,2000, Pages 270-272,