Journal
GEOCARTO INTERNATIONAL
Volume 38, Issue 1, Pages -Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10106049.2023.2252787
Keywords
Ecological security pattern; ecosystem service supply and demand; circuit theory; SSP-RCP scenarios; Yangtze River Delta
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The study proposes two new perspectives for the research on ecological security pattern (ESP). Firstly, a new method for identifying ecological supply and demand areas based on the ratio of ecosystem service supply and demand is proposed; secondly, socioeconomic pathways and representative concentration pathways (SSP-RCP) scenarios are combined to predict the future supply and demand of regional ecosystem services under different climate scenarios, and to further predict the future regional ESPs under different climate scenarios. Finally, a planning proposal based on the supply and demand perspective was put forward for the Yangtze River Delta (YRD) ESP, with 'two belts-four zones'. The results show that the ESP changes significantly under different climate scenarios, and the ecological demands under the three scenarios continue to increase during the study period.
The identification of ecological security pattern(ESP) is of great significance in solving regional ecological security problems. The study proposes two new perspectives for the study of ESP Firstly, a new method for identifying ecological supply and demand areas based on the ratio of ecosystem service supply and demand is proposed; The second is to combine socioeconomic pathways and representative concentration pathways (SSP-RCP) scenarios to predict the future supply and demand of regional ecosystem services under different climate scenarios, and to further predict the future regional ESPs under different climate scenarios. Finally, A planning proposal based on ESP of the Yangtze River Delta(YRD) based on the supply and demand perspective was put forward, with 'two belts-four zones'. The results show that the ESP changes significantly under different climate scenarios, and the ecological demands under the three scenarios continue to increase during the study period.
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