西辽河上游科尔沁沙地环境演变与红山文化经济模式分析

Analysis on Environmental Evolution of Horqin Sandy Land in Xiliao River Upstream and Economic Type of Hongshan Culture

科尔沁沙地在全新世期间,受到全球气候波动的影响,有过多次沙漠化逆转期,其中发生在全新世大暖期的第一次大规模逆转对西辽河上游地区红山文化产生了深远的影响。根据考古调查研究,红山文化遗址群的分布多伴随气候环境(降温事件、降雨量等)下的科尔沁沙地变化而发生变化。受气候波动及沙地的影响,红山文化时期逐渐在这一地区形成了撂荒轮作式粗放型农业为主,渔猎、采集为辅的多样化经济模式。

During Holocene, Horqin sandy land had several periods of sandy land reduces affected by global climatic undulation, in which the first reduce period during warm time of Holocene profoundly influenced the Hongshan Culture in Xiliao River upstream. According to the archaeological investigation and research, the ruins group distribution of Hongshan Culture changed with variation Of Horqin sandy land affected by climate-temperature decrease, rainfall amount and so on. Because of the influence of climate Undulation and desertification, this area gradually formed diversified economic types which had principal exten.. sive agriculture and auxiliary hunting, fishing, gathering during the period of Hongshan Culture.