New field evidence from the #Amazonforest reveals that native savannas are expanding at the heart of the system due to forest #wildfires (a thread, 1/10). Open access at link.springer.com/article/10.100… During my PhD at @WUR and @PPGECOUFRN, supervised by Milena Holmgren, we studied the floodplain landscape of the middle Rio Negro, a remote region far from the agricultural frontier, where patches of white-sand savanna are scattered among well preserved forest (2/10).