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Climate seasonality limits leaf carbon assimilation and wood productivity in tropical forests


Wagner, FH and Herault, B and Bonal, D and Stahl, C and Anderson, LO and Baker, TR and Becker, GS and Beeckman, H and Souza, DB and Botosso, PC and Bowman, DMJS and Brauning, A and Brede, B and Brown, FI and Camarero, JJ and Camargo, PB and Cardoso, FCG and Carvalho, FA and Castro, W and Chagas, RK and Chave, J and Chidumayo, EN and Clark, DA and Costa, FRC and Couralet, C and da Silva Mauricio, PH and Dalitz, H and de Castro, VR and de Freitas Milani, JE and de Oliveira, EC and de Souza Arruda, L and Devineau, JL and Drew, DM and Dunisch, O and Durigan, G and Elifuraha, E and Fedele, M and Fedele, LF and Filho, AF and Finger, CAG and Franco, AC and Freitas, JL and Galvao, F and Gebrekirstos, A and Gliniars, R and de Alencastro Graca, PML and Griffiths, AD and Grogan, J and Guan, K and Homeier, J and Kanieski, MR and Kho, LK and Koenig, J and Kohler, SV and Krepkowski, J and Lemos-Filho, JP and Lieberman, D and Lieberman, ME and Lisi, CS and Santos, TL and Ayala, JLL and Maeda, EE and Malhi, Y and Maria, VRB and Marques, MCM and Marques, R and Maza Chamba, H and Mbwambo, L and Melgaco, KLL and Mendivelso, HA and Murphy, BP and O'Brien, JJ and Oberbauer, SF and Okada, N and Plissier, R and Prior, LD and Roig, FA and Ross, M and Rossatto, DR and Rossi, V and Rowland, L and Rutishauser, E and Santana, H and Schulze, M and Selhorst, D and Silva, WR and Silveira, M and Spannl, S and Swaine, MD and Toledo, JJ and Toledo, MM and Toledo, M and Toma, T and Filho, MT and Hernandez, JIV and Verbesselt, J and Vieira, SA and Vincent, G and de Castilho, CV and Volland, F and Worbes, M and Zanon, MLB and Aragao, LEOC, Climate seasonality limits leaf carbon assimilation and wood productivity in tropical forests, Biogeosciences, 13, (8) pp. 2537-2562. ISSN 1726-4170 (2016) [Refereed Article]


Copyright Statement

Author(s) 2016. Licensed under the Creative Commons Attribution 3.0 Unported (CC BY 3.0)

DOI: doi:10.5194/bg-13-2537-2016


The seasonal climate drivers of the carbon cycle in tropical forests remain poorly known, although these forests account for more carbon assimilation and storage than any other terrestrial ecosystem. Based on a unique combination of seasonal pan-tropical data sets from 89 experimental sites (68 include aboveground wood productivity measurements and 35 litter productivity measurements), their associated canopy photosynthetic capacity (enhanced vegetation index, EVI) and climate, we ask how carbon assimilation and aboveground allocation are related to climate seasonality in tropical forests and how they interact in the seasonal carbon cycle. We found that canopy photosynthetic capacity seasonality responds positively to precipitation when rainfall is  < 2000 mm yr−1 (water-limited forests) and to radiation otherwise (light-limited forests). On the other hand, independent of climate limitations, wood productivity and litterfall are driven by seasonal variation in precipitation and evapotranspiration, respectively. Consequently, light-limited forests present an asynchronism between canopy photosynthetic capacity and wood productivity. First-order control by precipitation likely indicates a decrease in tropical forest productivity in a drier climate in water-limited forest, and in current light-limited forest with future rainfall  < 2000 mm yr−1.

Item Details

Item Type:Refereed Article
Keywords:wood productivity, climate
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Ecological physiology
Objective Division:Environmental Management
Objective Group:Terrestrial systems and management
Objective Field:Terrestrial biodiversity
UTAS Author:Bowman, DMJS (Professor David Bowman)
ID Code:113855
Year Published:2016
Web of Science® Times Cited:84
Deposited By:Plant Science
Deposited On:2017-01-24
Last Modified:2022-08-18
Downloads:135 View Download Statistics

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