The Interaction and Its Evolution of the Urban Agricultural Multifunctionality and Carbon Effects in Guangzhou, China

Urban Farm DB summary

Using data on agricultural carbon emissions and carbon sequestration in Guangzhou, China from 2002 to 2020, Granger causality analysis and a grey association model examined the interaction and evolution between urban agricultural multifunctionality and carbon effects. Over this period, urban agricultural production function declined in Guangzhou while economic and social functions increased, and ecological function rose before declining. Carbon sequestration was approximately four times carbon emissions. Carbon emissions went through a pattern of decreasing, then increasing, then remaining constant, then decreasing, while carbon sequestration first decreased and then increased. Carbon emissions showed a Granger causal relationship with production, social and ecological functions, and were a Granger cause of the economic function but not the reverse. Carbon sequestration showed a Granger causal relationship with production and economic functions and was a Granger cause of the ecological function but not the reverse; no Granger causal relationship was found between carbon sequestration and the social function.