Spatiotemporal Distribution and Influencing Factors of the Net Primary Productivity in the Datai Mine in Western Beijing

Linda Dai (), Yongliang Zhang, Rijia Ding and Yueguan Yan
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Linda Dai: School of Management, China University of Mining & Technology (Beijing), Beijing 100083, China
Yongliang Zhang: School of Management, China University of Mining & Technology (Beijing), Beijing 100083, China
Rijia Ding: School of Management, China University of Mining & Technology (Beijing), Beijing 100083, China
Yueguan Yan: College of Geoscience and Surveying Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China

Sustainability, 2022, vol. 14, issue 23, 1-21

Abstract: In the context of those countries around the world that are actively promoting sustainable development of the environment, China has formulated a new “double carbon” strategic goal to assume corresponding responsibilities. Vegetation carbon sequestration plays a key role in enhancing the carbon sink capacity toward reaching the carbon peak and carbon neutrality. In order to quantitatively study vegetation carbon sequestration, in this article, we used the net primary productivity (NPP) as an indicator to measure it. In this research, the Datai Coal Mine in western Beijing was used as the study area, and the spatiotemporal distribution characteristics and the influencing factors of carbon sequestration through vegetation were analyzed. Based on the meteorological data, remote sensing images, and the land use data of the mining area, the improved Carnegie–Ames–Stanford Approach (CASA) was used to calculate the net primary productivity (NPP) of vegetation in the Datai mining area from 2013 to 2021, to analyze its temporal and spatial distribution in relation to meteorological factors. The results showed that in the past 9 years, the NPP in the Datai mining area generally increased from 546 gC/m 2 to 601 gC/m 2 . The NPP in the Mentougou District generally decreased and had a significant relationship with precipitation, temperature, and solar radiation. The Mentougou District’s NPP change had a significant positive correlation with the precipitation change (R 2 = 0.8). The Mentougou District’s NPP change had no significant relationship with temperature (R 2 = 0.98) and solar radiation fluctuations (R 2 = 0.75). In conclusion, the vegetation NPP in the Datai Mine regularly changed throughout the year, and its annual vegetation NPP was about twice that of the Mentougou District, which probably due to the low-intensity mining of the Datai Mine. Thus, there is no significant impact on the vegetation carbon in this area.

Keywords: net primary productivity; meteorological drivers; spatiotemporal distribution (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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