Fig. 2: Spatial patterns of SSI across all tropical forest regions.
From: Stand structure of tropical forests is strongly associated with primary productivity
a Spatial pattern of SSI at a spatial resolution of 30 m × 30 m across all tropical forest regions. b Zoom-in examples of SSI for tropical regions of different continents. c The distributions of SSI for different forest management classes including: naturally regenerating forest without any signs of management (NF), and regenerating forest with signs of management (MF), agroforestry (AF). The horizontal lines within the violin plot represent the median of SSI values and the vertical lines denote the first (25th) and third (75th) quartiles of the data distribution for each forest class. d Differences in SSI between dry and moist tropical regions across American, African and Asian tropical forest areas. Error bars denote the 95% confidence interval of SSI. e Differences in SSI between intact and non-intact forests in moist tropical regions across three different continents. In the boxplots, the whiskers represent the fifth and 95th percentiles of the SSI statistics, whereas the outer edges of the boxes and the horizontal lines within the boxes represent the 25th, 75th, and 50th percentiles of the SSI statistics. f Differences in SSI between dry and moist tropical regions against fire intensity indicated by percentage values of burned areas (%). Error bars represent the 95% confidence interval of SSI.
