Research on Coupling Coordination of Agricultural Carbon Emission Efficiency and Food Security in Hebei Province, China

The delineation and measurement of carbon emissions in agricultural production systems constitute a complex issue involving multiple factors. Previous research in this area has been limited in terms of comprehensive carbon emission assessment throughout the agricultural production process and systematic measurement. This study focuses on both dynamic and static aspects, systematically analyzing the agricultural carbon emissions and emission efficiency in Hebei Province from 2000 to 2020. It comprehensively explores the influencing factors of carbon emissions and delves into the relationship between agricultural carbon emission efficiency and food security. The experimental results revealed the following: (1) From 2000 to 2020, the agricultural carbon emissions in Hebei Province exhibited a fluctuating downward trend, with a spatial distribution pattern where they were high in the south and low in the north. And the carbon emissions caused by chemical fertilizers and plowed land accounted for 42.6% of the total. (2) The efficiency of agricultural carbon emissions in the static dimension fluctuated at a rate of 0.0265, whereas the ML index fluctuated less in the dynamic dimension, and the agricultural industrial structure had the most significant impact. (3) The coupling coordination degree of food security and agricultural carbon emission efficiency increases with time, and “coordination” gradually dominates in spatial change. The conclusions of this study are of great significance in stabilizing grain production and achieving low-carbon production in the Hebei Province.