Impacts of experimentally imposed drought on leaf respiration and morphology in an Amazon rain forest
Metcalfe, D. B.; Lobo-do-Vale, Raquel; Chaves, Manuela M; Maroco, Joao P.; Aragao, L. E. O. C.; Malhi, Yadvinder; da Costa, Antonio Carlos Lola; Braga, Alan; de Goncalves, Paulo H. L; de Athaydes Silva Junior, Joao; da Costa, Mauricio; Meir, Patrick; Maroco, J. P.
Summary: 1. The Amazon region may experience increasing moisture limitation over this century. Leaf dark respiration (R) is a key component of the Amazon rain forest carbon (C) cycle, but relatively little is known about its sensitivity to drought. 2. Here, we present measurements of R standardized to 25 °C and leaf morphology from different canopy heights over 5 years at a rain forest subject to a large-scale through-fall reduction (TFR) experiment, and nearby, unmodified Control forest, at...[Show more]
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