黄土高原东北缘的鼠类及某区划的研究

位于山西省东北部和河北省冀北山地张家口的黄土高原东北缘地区的鼠类,过去曾经有Thomas(1908;1909)、Allen(1938;1940)、Ho(何锡瑞,1934)、张俊等(1965)、郑宝赉等(1966)、柳枢(1977)、梁俊勋(1983)等报道。

ON THE RODENT FAUNA AND REGIONALIZATION OF NORTHEAST REGIONS IN LOESS PLATEAU

This paper deals with the rodent fauna and its regionalization in the basins of Sanggan River and Hutuo River in the northeast of loess plateau. There are 16 species of rodents belong to 2 orders 6 familiesCtable 1 ).Based on the characteristics of the rodent fauna and landscape, we proposed that the northeast part of loess plateau may be divided into 2 rodent region provinces and 5 rodent prefectures as follows (Fig. 1 ) :I . Sanggan River province of Citellus, Meriones, and Myospalax.I ₁. Zhangjiakou-Huailai basin prefecture of C. dauricus, there are 13 species of rodents in this prefecture.I ₂. Datong-Yangyuan basin prefecture of C.dauricus, Mer. unguiculatus, Mer.meridianus and My.fontameri.1l species of rodents in this prefecture.I 3. Zuoyun-Youyu hill prefecture of Mer.meridianus and Cricetulus ba-rabensis.I₂ rodent species in this prefecture. II. Hutuo River province of Citellus, Myospalax and Meriones.II₁Xin-Ding basin rodent prefecture of C.dauricus and Mer.meridianus 11species of rodents in this prefecture. II₂. Daying mountain-hill rodent prefecture of Myospalax fcntanieri and Cri. longicaudalus. 9 species of rodents in this prefecture.