Temporal and Spatial Evolution of Carbon Source and Sink Intensity in Agricultural Ecosystems and Decomposition of Influencing Factors
Studying the spatiotemporal evolution and influencing factors of carbon source intensity in farmland is of great significance for sustainable agricultural development.The article is based on data from 31 provinces in China from 2005 to 2021,using spatial autocorrelation and spatial Durbin model to analyze the spatiotemporal characteristics of farmland carbon emission intensity and explore its driving factors.The results show that:① The carbon emission intensity of farmland showed an increasing trend from 2005 to 2009,and a decreasing trend from 2009 to 2021;②In terms of space,the carbon emission intensity of farmland shows a spatial pattern of high in the southeast and low in the northwest;③In the decomposition of carbon source factors,the adjustment of agricultural industry structure and the improvement of mechanization level can suppress carbon emissions.
farmlandcarbon emission intensityspatiotemporal dynamicsspatial Durbin model
万方数据
维普
