The spatial transition of"production-living-ecological"space in Beijing and its effect on carbon storage under the perspective of human-land relation
Since the carbon storage effect and spatial differentiation characteristics of"production-living-ecological"space transformation were the important basis for guiding regional land spatial development and ecological environment protection,the spatial distribution pattern and transformation characteristics of"production-living-ecological"space in Beijing were analyzed by using dynamic attitude model and change trajectory method based on the theory of man-land relationship,while the spatial differentiation characteristics of carbon storage in Beijing from 1980 to 2020 and the influence of"production-living-ecological"space transformation on carbon storage were revealed by means of InVEST model and contribution rate of ecological environment quality.The results showed that:① In the development stage of human civilization,the two modes of transformation,artificial induction and natural transformation convey a mutual succession trend;②From 1980 to 2020,the spatial structure of"production-living-ecological"space in Beijing was mainly ecological space,and the agricultural production space was decreasing continuously,while the urban living space was mainly distributed in the six districts of the main city;③ During the past 40 years,"production-living-ecological"space had undergone drastic spatial transformation,and the transformation and changes caused by human activities accounted for 92.68％of all the transformation and changes;④ From 1980 to 2020,the high-value areas of carbon storage in Beijing were distributed in ecological conservation areas,and the main reason for the increase of carbon storage was the shift of agricultural production space and grassland ecological space to woodland ecological space.On the contrary,the occupation of ecological space by urban and rural living spaces was the main reason for the decrease of carbon storage.
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