Global Effect of Tree Species Diversity on Forest Productivity (image) University of Minnesota Share Print E-Mail Caption Analysis of data from 777,126 global forest biodiversity (GFB) permanent sample plots (blue dots, left panel) reveals a consistent positive and concave-down biodiversity-productivity relationship (BPR) across forests worldwide (right panel). The photos, taken from the GFB sites around the world, represent forest biodiversity, forest ecosystem services, and forest inventory crews at work. Credit Global Forest Biodiversity Initiative Usage Restrictions with credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.