Extended Data Fig. 1: Distribution of sample plots in the global forest biodiversity individual-based database (GFBi).
From: Co-limitation towards lower latitudes shapes global forest diversity gradients
(A) GFBi data consists of in situ measurements of approximately 1,255,444 forest sample plots (Phase I sample plots, blue). Together with an independent and complementary dataset of 22,131 forest sample plots (Phase II sample plots, yellow). (B) GFBi sample plots cover 424 ecoregions across the world, with the proportion of sample plots by ecoregion ranging from 0.001% to 19.333%. Phase I sample plots cover 394 ecoregions across the world, and Phase II sample plots cover an additional 30 ecoregions in Africa, South America, Southeast Asia, Mexico, India, and Japan. Together, our ground-based forest sample plots cover 424 of 435 forested ecoregions across the world.
