Study On Several Population Problem In The Liu Song Periord

An important feature of the Wei Jin Southern and Northern Dynasties in Chinese history was the North-South division. With respect to the unification period, In the divided period, there were some characteristics different from both the population distribution, population quantity, population and other aspects.The Southern and Northern Dynasties in China was the period of frequent disasters, climate change had influence on population distribution, population migration, population quantity, the rulers of the population policy, population life etc. One of the innovations of this paper was to discuss climate change of population.This period was also a period of national integration, So there were a lot of changes in population ideas. This period the population had a great migration, they set up some counties, The Southern Dynasty rulers in order to strengthen the control over the people and took the "concluding base on where they settle down " policy. After migration of population distribution in space again, the conclusion showed that population distribution was in Jiangzhe area. Wei Jin and the Northern and Southern Dynasties was China’s national fusion degree high period, Han population. By this time the influence of minority concept was relatively open, This was mainly manifested in the marriage problems of population, the Liu Song period came out the divorce and remarriage phenomenon.With the Southern and Northern Dynasties aristocratic system hierarchy, It reflected in the marriage.Therefore the discussion during the period of Liu Song’s marriage and family was very necessary. The patterns of family were core families and mainstay families.In addition, it discussed the family’s borth rate. The population life was an important aspect of persons’ quality. Author analyzed the age distribution on the basis of 《SongShu》and analyzed the influence on population life by inheritance and acquired.