鲁西、南平原农作区小型兽类群落组成及季节变化

作者于１９９２年３月至１９９３年３月在鲁西和鲁南平原农作区对小型兽类群落进行了调查，其群落组成以啮齿动物为主，可划为６类群落：河滩高他的黑线仓鼠群落，河滩高地人房附近的黑线仓鼠＋小家鼠群落，缓平坡地的黑线仓鼠＋黑线姬鼠群落，浅平洼地的黑线姬鼠＋黑线仓鼠＋大仓鼠群落，洼地农作区的黑线仓鼠＋黑线姬鼠＋大仓鼠群落和洼地蔬菜种植区的黑线姬鼠＋黑线仓鼠群落。群落的季节变化明显，１１月至次年２月以黑线仓鼠为优势种，其它月份则黑线姬鼠或大仓鼠较多；人房附近农作区小家鼠也有季节性迁移现象。

SMALL MAMMAL COMMUNITY COMPOSITION AND SEASONAL CHANGES IN CROP FIELDS OF WESTERN AND SOUTHERN PLAINS IN SHANDONG PROVINCE

Investigations on small mammal community in crop fields of western and southernplains in Shandong province were carried out from March,1992 to March,1993.Sixcommunities were classified as follows:A. Flood land field Cricetulus barabensis community;B. Flood land fidld near residential area C. barabensis+Mus musculus community;C.Gentle sloping ficld C. barabensis+Apodemus agrarius community;D.Shallow flat low- lying ficld A. agrarius+C.barabenisis +C.triton community.E. Low-lying field C.barabensis+A.agrarius+C.triton community;F. Low- lying vegetable plot A.agrarius+C.barabensis community.Seasonal changes in community compisition were distinct except in community A. From November to February in next year C.barabensis was the dominant,in othermonths was A.agraritis or C.triton.Seasonal migratiins of house mouse(M. musculus)were also found in crop field near residential area.