Fine-Root Production in an Amazon Rain Forest: Deep Roots are an Important Component of Net Primary Productivity

Richard Norby1, Amanda Longhi Cordeiro2, Erick Oblitas3, Oscar Valverde-Barrantes4 and Carlos Alberto Quesada3, (1)Oak Ridge National Laboratory, Environmental Sciences Division and Climate Change Science Institute, Oak Ridge, TN, United States, (2)Colorado State University, Fort Collins, United States, (3)National Institute for Amazon Research (INPA), Manaus, Brazil, (4)Florida International University, Miami, United States