Dynamics of three-dimensional ecological footprint of Zhejiang coastal zone and its influencing factors based on GTWR model

doi:10.13287/j.1001-9332.202009.016

Abstract

Abstract: Clarifying the consumption of local natural capital stock and natural capital flow and its influencing factors can help alleviate the tension between the socio-economic development of the coastal zone, natural resources, and the ecological environment, and promote regional coordinated and sustainable development. Based on the two-dimensional and three-dimensional ecological footprint evaluation models, we analyzed the spatial and temporal variations of ecological footprint in the coastal zone of Zhejiang Province from 2006 to 2016, and explored the regional natural capital stock and capital flow occupancy based on footprint depth and footprint width. We analyzed the spatial and temporal heterogeneity of its influencing factors using a geographically and temporally weighted regression model. The results showed that ecological crisis in the coastal zone of Zhejiang Province deepened during the study period. The average per capita ecological deficit was 3.5 hm²·cap^-1, and the per capita ecological deficit increased by 15.5%. Among them, the contribution of energy consumption account to the per capita ecological footprint was greater than that of the biological resources account. The per capita ecological footprint of each county showed an increasing trend, with significant spatial variation. The coastal zone of Zhejiang Province mainly consumed the natural capital stock, with a significant inhibitory effect on the renewal of natural capital flows. The consumption of natural capital stock was 14.87 times that of capital flow in 2016. Urban scale, economic development level, and people’s income level had positive impacts on the ecological footprint of coastal counties of Zhejiang Province, while fishery production had negative effect on the ecological footprints, with transition trend to a positive one. The influence mechanism of the three factors had significant spatial and temporal differentiation.

Key words: three-dimensional ecological footprint, footprint depth, footprint size, geographically and temporally weighted regression, Zhejiang Province

TIAN Peng, LI Jia-lin, WANG Li-jia, LIU Rui-qing, SHI Xiao-li. Dynamics of three-dimensional ecological footprint of Zhejiang coastal zone and its influencing factors based on GTWR model[J]. Chinese Journal of Applied Ecology, 2020, 31(9): 3173-3186.

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