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

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Wagner , F H , Hérault , B , Bonal , D , Stahl , C , Anderson , L O , Baker , T R , Becker , G S , Beeckman , H , Boanerges Souza , D , Botosso , P C , Bowman , D M J S , Bräuning , A , Brede , B , Brown , F I , Camarero , J J , Camargo , P B , Cardoso , F C G , Carvalho , F A , Castro , W , Chagas , R K , Chave , J , Chidumayo , E N , Clark , D A , Costa , F R C , Couralet , C , da Silva Mauricio , P H , Dalitz , H , de Castro , V R , de Freitas Milani , J E , de Oliveira , E C , de Souza Arruda , L , Devineau , J-L , Drew , D M , Dünisch , O , Durigan , G , Elifuraha , E , Fedele , M , Ferreira Fedele , L , Figueiredo Filho , A , Finger , C A G , Franco , A C , Freitas Júnior , J L , Galvão , F , Gebrekirstos , A , Gliniars , R , Graça , P M L D A , Griffiths , A D , Grogan , J , Guan , K , Homeier , J , Kanieski , M R , Kho , L K , Koenig , J , Kohler , S V , Krepkowski , J , Lemos-Filho , J P , Lieberman , D , Lieberman , M E , Lisi , C S , Longhi Santos , T , López Ayala , J L , Maeda , E E , Malhi , Y , Maria , V R B , Marques , M C M , Marques , R , Maza Chamba , H , Mbwambo , L , Melgaço , K L L , Mendivelso , H A , Murphy , B P , O'Brien , J J , Oberbauer , S F , Okada , N , Pélissier , R , Prior , L D , Roig , F A , Ross , M , Rossatto , D R , Rossi , V , Rowland , L , Rutishauser , E , Santana , H , Schulze , M , Selhorst , D , Silva , W R , Silveira , M , Spannl , S , Swaine , M D , Toledo , J J , Toledo , M M , Toledo , M , Toma , T , Tomazello Filho , M , Valdez Hernández , J I , Verbesselt , J , Vieira , S A , Vincent , G , Volkmer de Castilho , C , Volland , F , Worbes , M , Zanon , M L B & Aragão , L E O C 2016 , ' Climate seasonality limits leaf carbon assimilation and wood productivity in tropical forests ' Biogeosciences , vol. 13 , no. 8 , pp. 2537-2562 . DOI: 10.5194/bg-13-2537-2016

Title: Climate seasonality limits leaf carbon assimilation and wood productivity in tropical forests
Author: Wagner, F. H.; Hérault, B.; Bonal, D.; Stahl, C.; Anderson, L. O.; Baker, T. R.; Becker, G. S.; Beeckman, H.; Boanerges Souza, D.; Botosso, P. C.; Bowman, D. M. J. S.; Bräuning, A.; Brede, B.; Brown, F. I.; Camarero, J. J.; Camargo, P. B.; Cardoso, F. C. G.; Carvalho, F. A.; Castro, W.; Chagas, R. K.; Chave, J.; Chidumayo, E. N.; Clark, D. A.; Costa, F. R. C.; Couralet, C.; da Silva Mauricio, P. H.; Dalitz, H.; de Castro, V. R.; de Freitas Milani, J. E.; de Oliveira, E. C.; de Souza Arruda, L.; Devineau, J.-L.; Drew, D. M.; Dünisch, O.; Durigan, G.; Elifuraha, E.; Fedele, M.; Ferreira Fedele, L.; Figueiredo Filho, A.; Finger, C. A. G.; Franco, A. C.; Freitas Júnior, J. L.; Galvão, F.; Gebrekirstos, A.; Gliniars, R.; Graça, P. M. L. D. A.; Griffiths, A. D.; Grogan, J.; Guan, K.; Homeier, J.; Kanieski, M. R.; Kho, L. K.; Koenig, J.; Kohler, S. V.; Krepkowski, J.; Lemos-Filho, J. P.; Lieberman, D.; Lieberman, M. E.; Lisi, C. S.; Longhi Santos, T.; López Ayala, J. L.; Maeda, E. E.; Malhi, Y.; Maria, V. R. B.; Marques, M. C. M.; Marques, R.; Maza Chamba, H.; Mbwambo, L.; Melgaço, K. L. L.; Mendivelso, H. A.; Murphy, B. P.; O'Brien, J. J.; Oberbauer, S. F.; Okada, N.; Pélissier, R.; Prior, L. D.; Roig, F. A.; Ross, M.; Rossatto, D. R.; Rossi, V.; Rowland, L.; Rutishauser, E.; Santana, H.; Schulze, M.; Selhorst, D.; Silva, W. R.; Silveira, M.; Spannl, S.; Swaine, M. D.; Toledo, J. J.; Toledo, M. M.; Toledo, M.; Toma, T.; Tomazello Filho, M.; Valdez Hernández, J. I.; Verbesselt, J.; Vieira, S. A.; Vincent, G.; Volkmer de Castilho, C.; Volland, F.; Worbes, M.; Zanon, M. L. B.; Aragão, L. E. O. C.
Contributor: University of Helsinki, Department
Date: 2016
Language: eng
Number of pages: 26
Belongs to series: Biogeosciences
ISSN: 1726-4170
URI: http://hdl.handle.net/10138/161785
Abstract: 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 associate 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. Precipitation first-order control indicates an overall decrease in tropical forest productivity in a drier climate.
Subject: 1172 Environmental sciences
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