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

  • Author(s): Wagner, Fabien H.; Herault, Bruno; Bonal, Damien; Stahl, Clement; Anderson, Liana O.; Baker, Timothy R.; Becker, Gabriel Sebastian; Beeckman, Hans; Boanerges Souza, Danilo; Botosso, Paulo Cesar; Bowman, David M. J. S.; Brauning, Achim; Brede, Benjamin; Brown, Foster Irving; Camarero, Jesus Julio; Camargo, Plinio Barbosa; Cardoso, Fernanda C. G.; Carvalho, Fabricio Alvim; Castro, Wendeson; Chagas, Rubens Koloski; Chave, Jerome; Chidumayo, Emmanuel N.; Clark, Deborah A.; Costa, Flavia Regina Capellotto; Couralet, Camille; da Silva Mauricio, Paulo Henrique; Dalitz, Helmut; de Castro, Vinicius Resende; de Freitas Milani, Jacanan Eloisa; de Oliveira, Edilson Consuelo; de Souza Arruda, Luciano; Devineau, Jean-Louis; Drew, David M.; Dunisch, Oliver; Durigan, Giselda; Elifuraha, Elisha; Fedele, Marcio; Ferreira Fedele, Ligia; Figueiredo Filho, Afonso; Finger, Cesar Augusto Guimaraes; Franco, Augusto Cesar; Freitas Junior, Joao Lima; Galvao, Franklin; Gebrekirstos, Aster; Gliniars, Robert; Graca, Paulo Mauricio Lima de Alencastro; Griffiths, Anthony D.; Grogan, James; Guan, Kaiyu; Homeier, Jurgen; Kanieski, Maria Raquel; Kho, Lip Khoon; Koenig, Jennifer; Kohler, Sintia Valerio; Krepkowski, Julia; Lemos-Filho, Jose Pires; Lieberman, Diana; Lieberman, Milton Eugene; Lisi, Claudio Sergio; Longhi Santos, Tomaz; Lopez Ayala, Jose Luis; Maeda, Eduardo Eijji; Malhi, Yadvinder; Maria, Vivian R. B.; Marques, Marcia C. M.; Marques, Renato; Maza Chamba, Hector; Mbwambo, Lawrence; Melgaco, Karina Liana Lisboa; Mendivelso, Hooz Angela; Murphy, Brett P.; O''Brien, Joseph; Oberbauer, Steven F.; Okada, Naoki; Pelissier, Raphael; Prior, Lynda D.; Roig, Fidel Alejandro; Ross, Michael; Rossatto, Davi Rodrigo; Rossi, Vivien; Rowland, Lucy; Rutishauser, Ervan; Santana, Hellen; Schulze, Mark; Selhorst, Diogo; Silva, Williamar Rodrigues; Silveira, Marcos; Spannl, Susanne; Swaine, Michael D.; Toledo, Jose Julio; Toledo, Marcos Miranda; Toledo, Marisol; Toma, Takeshi; Tomazello Filho, Mario; Valdez Hernandez, Juan Ignacio; Verbesselt, Jan; Vieira, Simone Aparecida; Vincent, Gregoire; Volkmer de Castilho, Carolina; Volland, Franziska; Worbes, Martin; Zanon, Magda Lea Bolzan; Aragao, Luiz E. O. C.
  • Date: 2016
  • Source: Biogeosciences
  • DOI: https://doi.org/10.5194/bg-13-2537-2016

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 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 < 2000mmyrô€€€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 < 2000mmyr-1

  • Citation: Wagner, Fabien H.; Herault, Bruno; Bonal, Damien; Stahl, Clement; Anderson, Liana O.; Baker, Timothy R.; Becker, Gabriel Sebastian; Beeckman, Hans; Boanerges Souza, Danilo; Botosso, Paulo Cesar; Bowman, David M. J. S.; Brauning, Achim; Brede, Benjamin; Brown, Foster Irving; Camarero, Jesus Julio; Camargo, Plinio Barbosa; Cardoso, Fernanda C. G.; Carvalho, Fabricio Alvim; Castro, Wendeson; Chagas, Rubens Koloski; Chave, Jerome; Chidumayo, Emmanuel N.; Clark, Deborah A.; Costa, Flavia Regina Capellotto; Couralet, Camille; da Silva Mauricio, Paulo Henrique; Dalitz, Helmut; de Castro, Vinicius Resende; de Freitas Milani, Jacanan Eloisa; de Oliveira, Edilson Consuelo; de Souza Arruda, Luciano; Devineau, Jean-Louis; Drew, David M.; Dunisch, Oliver; Durigan, Giselda; Elifuraha, Elisha; Fedele, Marcio; Ferreira Fedele, Ligia; Figueiredo Filho, Afonso; Finger, Cesar Augusto Guimaraes; Franco, Augusto Cesar; Freitas Junior, Joao Lima; Galvao, Franklin; Gebrekirstos, Aster; Gliniars, Robert; Graca, Paulo Mauricio Lima de Alencastro; Griffiths, Anthony D.; Grogan, James; Guan, Kaiyu; Homeier, Jurgen; Kanieski, Maria Raquel; Kho, Lip Khoon; Koenig, Jennifer; Kohler, Sintia Valerio; Krepkowski, Julia; Lemos-Filho, Jose Pires; Lieberman, Diana; Lieberman, Milton Eugene; Lisi, Claudio Sergio; Longhi Santos, Tomaz; Lopez Ayala, Jose Luis; Maeda, Eduardo Eijji; Malhi, Yadvinder; Maria, Vivian R. B.; Marques, Marcia C. M.; Marques, Renato; Maza Chamba, Hector; Mbwambo, Lawrence; Melgaco, Karina Liana Lisboa; Mendivelso, Hooz Angela; Murphy, Brett P.; O'Brien, Joseph J.; Oberbauer, Steven F.; Okada, Naoki; Pelissier, Raphael; Prior, Lynda D.; Roig, Fidel Alejandro; Ross, Michael; Rossatto, Davi Rodrigo; Rossi, Vivien; Rowland, Lucy; Rutishauser, Ervan; Santana, Hellen; Schulze, Mark; Selhorst, Diogo; Silva, Williamar Rodrigues; Silveira, Marcos; Spannl, Susanne; Swaine, Michael D.; Toledo, Jose Julio; Toledo, Marcos Miranda; Toledo, Marisol; Toma, Takeshi; Tomazello Filho, Mario; Valdez Hernandez, Juan Ignacio; Verbesselt, Jan; Vieira, Simone Aparecida; Vincent, Gregoire; Volkmer de Castilho, Carolina; Volland, Franziska; Worbes, Martin; Zanon, Magda Lea Bolzan; Aragao, Luiz E. O. C. 2016. Climate seasonality limits leaf carbon assimilation and wood productivity in tropical forests. Biogeosciences, Vol. 13(8): 26 pages.: 2537-2562. DOI:10.5194/bg-13-2537-2016

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