Prehistoric Agriculture And The Rise Of The City In Chengdu Plain

Chengdu Plain has a close relationship with the surrounding areas since the Neolithic age.It is one of the centers of the origin of civilization in Southwest China.Its early agricultural economic form has been concerned by the academic community.The site is located in the transitional area between the Northwest Sichuan Plateau and Chengdu Plain.Its main remains belong to the first phase of Baodun culture,some of which are earlier than Baodun culture.Its cultural features are also transitional.It is of great significance for the study of agriculture,environment,society and cultural exchange in the Neolithic era of Chengdu Plain.Based on the analysis of the plant remains and phytolith samples collected during the excavation of Gaoshan ancient city site from 2015 to 2017,this paper attempts to understand the agricultural economic situation and the utilization of wild plant resources in the late Neolithic period of the site,and further discusses the characteristics of agricultural economy in the late Neolithic period of the area and the relationship between the rise of the site and the characteristics of agricultural economy Department.This paper is divided into five parts.Part one:introduction.This part mainly describes the background of the topic,reviews the agricultural research from the Neolithic Age to the Bronze Age in Chengdu Plain and the research survey of the relationship between prehistoric agriculture and city site in China,and introduces the site background of Gaoshan ancient city.Part two:materials and methods.It includes two materials and research methods of plant remains and phytolith.The methods include sample collection and laboratory analysis.Part three:results and analysis.This paper introduces the identification and analysis results of plant remains and phytolith remains in Gaoshan ancient city site.Part four:discussion.First,according to the identification and statistical results of the plant remains of Gaoshan ancient city site,analyze the crop structure,crop processing and utilization of non crop plants of the site,combined with the results of animal Archaeology and stable isotope analysis,understand the agricultural economic situation of the site in the late Neolithic age;second,through the plant remains of Gaoshan ancient city and Baodun ancient city This paper summarizes the agricultural characteristics of urban settlements in the late Neolithic Age in Chengdu Plain,and analyzes the reasons for the differences between different sites.On this basis,combined with the archaeological cultural background,this paper discusses the relationship between prehistoric agriculture and the rise of city sites in Chengdu Plain.Part five:conclusion.This paper introduces the results of this study,the significance of the study,the shortcomings and the prospects for future research.