Tropical forests are important regulators of the flux and storage of carbon, water, and energy in the Biosphere, and they are the habitat of more than three-fourths of the world’s plant and animal species. These ecosystems are also undergoing rapid...

Positive aboveground biomass trends have been reported from old-growth forests across the Amazon basin and hypothesized to reflect a large-scale response to exterior forcing. The result could, however, be an artefact due to a sampling bias induced by the nature of...