摘要
对崇明东滩白头鹤 (Grusmonacha)的越冬生态进行了研究。白头鹤在崇明东滩越冬期 1 40～ 1 5 0d。越冬期主要食物为海三棱草 (Scirpusmariqueter)的地下球茎 ,海三棱草和草 (S .triqueter)的根茎。受气候和季节的影响 ,越冬后期比前期的日活动时间增加 1h。潮汐节律影响越冬白头鹤行为活动的时间分配、觅食地的选择以及集群大小。滩涂的快速围垦和滩涂植被的演替对白头鹤的越冬栖息地造成严重的影响。
Wintering ecology of the hooded crane (Grus monacha) in the Eastern Tideland of Chongming Island was studied. Hooded cranes stayed in the Eastern Tideland of Chongming Island for 140-150 days. During this period hooded cranes fed mainly on corms of Scirpus mariqueter and rhizomes of S.mariqueter and S.triqueter. Effected by season and weather conditions, the time spent on diurnal activities in the later wintering stage was about one hour longer than in the early wintering stage. Tide rhythm had strong influence on the time budget and flocking behavior of hooded cranes. The loss of natural wetlands caused by rapid land reclamation is a serious threat to hooded cranes and their habitats in the Eastern Tideland of Chongming Island.
出处
《动物学杂志》
CAS
CSCD
北大核心
2002年第6期29-34,共6页
Chinese Journal of Zoology
基金
世界自然基金会 (WWF)
上海市科技发展基金 (No .99XD14 0 0 7)
BPConservationProgram (No .14 17)
上海博士后基金
关键词
崇明东滩
白头鹤
越冬生态
Eastern Tidelands of Chongming Island
Grus monacha
Wintering ecology
