Drought legacy effects of forest ecosystems have been widely observed. However, the influence of forest type and stock volume on its recovery path is poorly understood. In this research, we first used the Standardized Precipitation Evapotranspiration Index (SPEI) to identify a drought event. Then, we applied the Normalized Difference Vegetation Index (NDVI) deficit and forest property maps derived from forest inventories to investigate the potential impacts of forest properties on forest recovery paths. The results showed that the legacy effects of 1 to 3 years after a drought event were pervasive, but the forest recovery path was highly dependent on forest type and forest stock volume. The recovery of forests with low stock volume densities (<60 m3/ha) was mostly stronger than forests with high stock volume densities (≥60 m3/ha) by the second year. Although all forests with different stock volume densities approximately returned to a normal status by the third year, they followed various paths to recovery. Natural coniferous forests in China that have a similar stock volume density (<60 m3/ha) took longer to recover than planted coniferous forests and exhibited a lower magnitude of recovery. These findings highlight that drought legacy effects are greater for natural coniferous forests with high stock volume densities, which provides insightful forest management information on how to speed up forest recovery with forest density control and type control.
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