乐浪、带方二郡的兴亡与带方郡故地汉人聚居区的形成

The Rise and Fall of Lelang(乐浪) and Daifang(带方) and the Formation of the Han Settlement in the Old Haunt of Daifang

以乐浪郡为首的汉四郡自设立起,其盛衰就与周边各民族集团的动向息息相关,领地与人口不断变动,总体呈现渐趋衰落的态势。带方郡的开辟虽使当地的汉文化势力有昙花一现的兴盛,但4世纪初二郡仍在高句丽的进攻下覆亡。在高句丽势力的强大压力下,原乐浪郡汉人大量南下,加之内地新移民的到来,于带方郡故地形成汉人聚居区,势力逐步有了恢复性的增长,并于4世纪中叶达到相对的顶峰。

Since the establishment of four prefectures of the Han ups and downs were closely linked with surrounding ethnic groups. Dynasty headed by Lelang （乐浪） , their The territory and population changed continuously and declined gradually. The opening up of Daifang （带方） promoted the Han culture in local region for a while, but Lelang and Daifang were ruined by Koguryo finally in early 4th century. Lots of Han peopie who lived in Lelang originally moved to the south under the pressure of Koguryo force. Moreover, new migrants from the inner land came to Daifang, therefore the Han settlement in the old haunt of Daifang were gathered, the power of the Han gradually increased again, and then achieved the comparatively peak in the middle of 4^th century.