The dataset used in "Forest expansion fails to mitigate forest fragmentation in the Yangtze River Delta during the 21st century"

The dataset used in "Forest expansion fails to mitigate forest fragmentation in the Yangtze River Delta during the 21st century" is partially archived in this Zenodo repository. This study primarily utilizes two developed datasets: the China Annual Tree Cover Dataset (CATCD) and the China Forest Aboveground Biomass Time-Series Dataset (CFATD), both produced by Dr. Yaotong Cai and colleagues. A subset of the CATCD datasets is provided here for reference and reproducibility purposes only. Due to data volume limitations, the complete datasets are not hosted in this repository. The full CATCD dataset can be accessed and exported via the Google Earth Engine (GEE) script:https://code.earthengine.google.com/a28dcf064bba1975f5a6c28400c41edb Citation:Cai, Y., Xu, X., Nie, S., Wang, C., Zhu, P., Xiong, Y., & Liu, X. (2024). Unveiling Spatiotemporal Tree Cover Patterns in China: The First 30 m Annual Tree Cover Mapping from 1985 to 2023. ISPRS Journal of Photogrammetry and Remote Sensing, 216, 240–258. https://doi.org/10.1016/j.isprsjprs.2024.08.001 The full CFATD dataset is available through the GEE script:https://code.earthengine.google.com/4f8ad8d32ddb84e826e941a95f31f9be Citation:Cai, Y., Zhu, P., Li, X., Liu, X., Chen, Y., Shen, Q., Xu, X., Zhang, H., Nie, S., Wang, C., Wang, J., Li, B., Wu, C., & Zhuang, H. (2025). Dynamics of China's forest carbon storage: the first 30 m annual aboveground biomass mapping from 1985 to 2023. Earth System Science Data, 17(12), 6993–7018. https://doi.org/10.5194/essd-17-6993-2025 This study also produces a forest fragmentation dataset (derived from connectivity and aggregation metrics) for the Yangtze River Delta Urban Agglomeration (YRDUA). The resulting dataset is available via the following GEE script:https://code.earthengine.google.com/1acebec2befd81669c26c1aaa45c582c Citation: Wang, Y. (2026). The dataset used in "Forest expansion fails to mitigate forest fragmentation in the Yangtze River Delta during the 21st century". Zenodo. 10.5281/zenodo.19680520 In addition, the following auxiliary datasets used in this study are publicly available from their original sources: SRTM elevation data (SRTMGL1 v3):https://lpdaac.usgs.gov/products/srtmgl1v003/ Degree of Urbanization data (SMOD_POP_GLOBE_V1):https://ghsl.jrc.ec.europa.eu/ghs_smod.php