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STUDIES 0N THE COMPOSITION MAMMAL COMMUNITY IN THE EAST ZHOUSHAN ISLAND

BAO Y4xin, DING Ping, ZHUGE Yang, HU yizhong   

  • Online:2006-07-29 Published:2008-07-07

舟山岛东部地区小型兽类的群落组成与动态分析

鲍毅新,丁平,诸葛阳,胡一中   

  1. 浙江师范大学生物系,金华

Abstract: The composition and dynamic of the small mammal community in the east Zhoushan Island was investigated from July 1990 to Deoember 1992.The small mammals can be divided into five communities as below :
A.Indoor,Rattus norvegicus+Rattus losea+Suncus murinus community.
B.0utdoor,Suncus murinus+Rattus losea+ Rattus norvegicus community.
C.Paddy field,Apodemus agrarius+Rattus losea community.
D.Hilly field,Apodemus agrarius+Rattus losea community.
E.Mountain forest.Rattus niviventer+Apodemus agrarius+Rattus losea community.
The highest index of the similarity between small mammal communities was in the paddy community and the hilly field community.The highest index of the diversity and the evenness was in the outdor community.
There are two types of number variation in different communities:two-peak type(the indoor community and the hilly field community)and one-peak (the other communities) .There are dominant species and seasonal variations of composition in different communities.

Key words: Small mammal, Community composition, Community dynamic

摘要: 1990年7月至1992年l2月在浙江舟山岛东部地区每月定点调查小型兽类的群落组成和数量动态该地区可划分为室内、房周围、稻田区、山地和山林等五类生境的5个小兽群落。群落相似性指数以稻田区的黑线姬鼠+黄毛鼠群落与山地的黑线姬鼠+黄毛鼠群落最高,多样性指数和均匀性指数以房周围臭鼬+黄毛鼠+褐家鼠群落最高。各群落的全年数量动态可分为双峰型(室内和山地生境)与单峰型(其余3种生境)。对各群落种类组成的数量动态进行分析,其优势种及组成比的季节变化具有明显的差异。

关键词: 小型兽类, 群落组成, 群落动态