Monitoring spatio-temporal dynamics of multi-dimensional karst ecosystem quality in Southwest China by integrating multi-source data

Shen, Weiling; Sun, Yuan; Li, Jiaguo; Zhang, Hongsheng; Ding, Zhi; Tang, Xuguang

doi:10.1080/17538947.2024.2356119

International Journal of Digital Earth

2024

DOI: 10.1080/17538947.2024.2356119

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Monitoring spatio-temporal dynamics of multi-dimensional karst ecosystem quality in Southwest China by integrating multi-source data

Weiling Shen,

Yuan Sun,

Jiaguo Li

et al.

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Cited by 2 publications

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Gross primary productivity of terrestrial ecosystems: a review of observations, remote sensing, and modelling studies over South Asia

Pandey,

Harde,

Rajasekaran

et al. 2024

Theor Appl Climatol

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Gross primary productivity of terrestrial ecosystems: a review of observations, remote sensing, and modelling studies over South Asia

Pandey,

Harde,

Rajasekaran

et al. 2024

Theor Appl Climatol

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Dynamics of CO2 fluxes and environmental responses in a Poplar plantation

Ge,

Wang,

Ruan

et al. 2024

Front. Environ. Sci.

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Forest plantations cover a large percentage of global forest landscapes contributing significantly to carbon sequestration. By using continuous eddy covariance technique, we observed net ecosystem CO2 exchange (NEE), gross primary production (GPP), ecosystem respiration (ER), and meteorological variables from August 2018 to December 2019 in a Poplar plantation. The Poplar plantation ecosystem was a carbon sink overall, with high carbon uptake in growing season and limited uptake/emission in non-growing season. The annual cumulative NEE, GEP, and ER were −763.61, 1542.19, and 778.58 g C m−2 yr−1, respectively. Photosynthetically active radiation (PAR) significantly influenced NEE both at half-hourly and daily scale (P < 0.01 for both), while relative humidity (RH) and vapor pressure deficit (VPD) only significantly affected NEE at half-hourly scale (P < 0.01). The prevailing wind direction throughout 2019 was southeast and it varied between seasons. Southeast wind was the prevailing wind direction in summer and winter, while southwest and northeast wind were the dominant wind direction in spring and autumn, respectively. Our results highlight that polar plantations play an important role in storing carbon, and that understanding meteorological conditions is crucial in investigating ecosystem-atmosphere interactions and their impacts on carbon cycling.

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Monitoring spatio-temporal dynamics of multi-dimensional karst ecosystem quality in Southwest China by integrating multi-source data

Cited by 2 publications

References 47 publications

Gross primary productivity of terrestrial ecosystems: a review of observations, remote sensing, and modelling studies over South Asia

Gross primary productivity of terrestrial ecosystems: a review of observations, remote sensing, and modelling studies over South Asia

Dynamics of CO2 fluxes and environmental responses in a Poplar plantation

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