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一、左、右江流城的自然条件左、右江地区位于华南第一大河珠江的上游,相当于现在广西壮族自治区的西南部一带.唐宋时期,由于云南脱离中央王朝的控制,左、右江地区很自然成为中央王朝的边陲地区.这里地处亚热带,高温多雨,时称为“瘴疠之地”.“邕州两江,水土尤恶,一岁无时无瘴”,自然环境山多地少,平原面积较小,只是在南宁到左、右江下游,太平、安平、养利、宁明、龙州及右江中游田东、百色一带,分布着一些分散的小面积的平原盆地,历史上称之为“洞”或“峒”.“洞”的自然特征大多是在四面高山环绕,形成一个孤立隔绝小范围的平原地带.所以,直接影响了当地少数民族的聚居特点,人口数量较为稀少.“大州峒
Natural Conditions of the Left and Right Rivers The left and right rivers are located in the upper reaches of the Pearl River in southern China, which is equivalent to the southwestern part of Guangxi Zhuang Autonomous Region nowadays. Due to the control of Yunnan from the Central Government, the left and right rivers The area naturally becomes the border area of the Central dynasty, which is located in the subtropical and hot and rainy area, where it is called “the land of grudges.” “The two rivers of Pizhou have a particularly bad water and soil, , Plain area is small, only in Nanning to the left, the Youjiang downstream, Taiping, Anping, Yangli, Ningming, Longzhou and Youjiang middle reaches of Tiandong, Baise area, the distribution of some scattered small area of the plains basin, history The so-called ”hole“ or ”峒.“ Most of the natural features of the ”hole“ are surrounded by high mountains and form a plain isolated from a small area, so it has a direct impact on the characteristics of local ethnic minorities, with a relatively large population Rare. ”Otaku