Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 17, issue 11
Articles | Volume 17, issue 11
https://doi.org/10.5194/essd-17-6601-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-17-6601-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 11
Data description paper
 | 
28 Nov 2025
Data description paper |  | 28 Nov 2025

National-scale sub-meter mapping of Spartina alterniflora in mainland China 2020

Bingfeng Zhou, Meng Xu, Jinyan Tian, Mingming Jia, Dehua Mao, Kai Cheng, Xiumin Zhu, Haoyue Jiang, Jie Song, Yinghai Ke, Zhenxin Zhang, Yue Huang, Miaojing Wei, Lin Zhu, Xiaojuan Li, and Huili Gong

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Short summary
This study produced the first sub-meter map of Spartina alterniflora in mainland China for 2020. Compared to the 10 m product, the sub-meter map achieved a 14.60% increase in overall accuracy, revealed a 57.73% discrepancy in spatial distribution, and detected 17 times more individual patches. The improved sensitivity to small patches significantly enhances early detection of Spartina alterniflora invasion. This finer mapping further refines soil carbon estimates and informs wetland management.
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