Amazon forest carbon dynamics predicted by profiles of canopy leaf area and light environment

Scott C. Stark, Veronika Leitold, Jin L. Wu, Maria O. Hunter, Carolina V. de Castilho, Flávia R C Costa, Sean M. Mcmahon, Geoffrey G. Parker, Mônica Takako Shimabukuro, Michael A. Lefsky, Michael Keller, Luciana F. Alves, Juliana Schietti, Yosio Edemir Shimabukuro, Diego O. Brandão, Tara K. Woodcock, Niro Higuchi, Plinio B. de Camargo, Raimundo C. de Oliveira, Scott Saleska

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

Tropical forest structural variation across heterogeneous landscapes may control above-ground carbon dynamics. We tested the hypothesis that canopy structure (leaf area and light availability) - remotely estimated from LiDAR - control variation in above-ground coarse wood production (biomass growth). Using a statistical model, these factors predicted biomass growth across tree size classes in forest near Manaus, Brazil. The same statistical model, with no parameterisation change but driven by different observed canopy structure, predicted the higher productivity of a site 500 km east. Gap fraction and a metric of vegetation vertical extent and evenness also predicted biomass gains and losses for one-hectare plots. Despite significant site differences in canopy structure and carbon dynamics, the relation between biomass growth and light fell on a unifying curve. This supported our hypothesis, suggesting that knowledge of canopy structure can explain variation in biomass growth over tropical landscapes and improve understanding of ecosystem function.

Original languageEnglish (US)
Pages (from-to)1406-1414
Number of pages9
JournalEcology Letters
Volume15
Issue number12
DOIs
StatePublished - 2012

Fingerprint

leaf area
forest canopy
canopy
carbon
biomass
statistical models
tree classes
light availability
ecosystem function
tropical forests
tropical forest
parameterization
productivity
Brazil
vegetation
ecosystems

Keywords

  • Biomass growth
  • Carbon balance
  • Gap fraction
  • Leaf area profiles
  • LiDAR
  • Remote sensing of canopy structure

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Stark, S. C., Leitold, V., Wu, J. L., Hunter, M. O., de Castilho, C. V., Costa, F. R. C., ... Saleska, S. (2012). Amazon forest carbon dynamics predicted by profiles of canopy leaf area and light environment. Ecology Letters, 15(12), 1406-1414. https://doi.org/10.1111/j.1461-0248.2012.01864.x

Amazon forest carbon dynamics predicted by profiles of canopy leaf area and light environment. / Stark, Scott C.; Leitold, Veronika; Wu, Jin L.; Hunter, Maria O.; de Castilho, Carolina V.; Costa, Flávia R C; Mcmahon, Sean M.; Parker, Geoffrey G.; Shimabukuro, Mônica Takako; Lefsky, Michael A.; Keller, Michael; Alves, Luciana F.; Schietti, Juliana; Shimabukuro, Yosio Edemir; Brandão, Diego O.; Woodcock, Tara K.; Higuchi, Niro; de Camargo, Plinio B.; de Oliveira, Raimundo C.; Saleska, Scott.

In: Ecology Letters, Vol. 15, No. 12, 2012, p. 1406-1414.

Research output: Contribution to journalArticle

Stark, SC, Leitold, V, Wu, JL, Hunter, MO, de Castilho, CV, Costa, FRC, Mcmahon, SM, Parker, GG, Shimabukuro, MT, Lefsky, MA, Keller, M, Alves, LF, Schietti, J, Shimabukuro, YE, Brandão, DO, Woodcock, TK, Higuchi, N, de Camargo, PB, de Oliveira, RC & Saleska, S 2012, 'Amazon forest carbon dynamics predicted by profiles of canopy leaf area and light environment', Ecology Letters, vol. 15, no. 12, pp. 1406-1414. https://doi.org/10.1111/j.1461-0248.2012.01864.x
Stark, Scott C. ; Leitold, Veronika ; Wu, Jin L. ; Hunter, Maria O. ; de Castilho, Carolina V. ; Costa, Flávia R C ; Mcmahon, Sean M. ; Parker, Geoffrey G. ; Shimabukuro, Mônica Takako ; Lefsky, Michael A. ; Keller, Michael ; Alves, Luciana F. ; Schietti, Juliana ; Shimabukuro, Yosio Edemir ; Brandão, Diego O. ; Woodcock, Tara K. ; Higuchi, Niro ; de Camargo, Plinio B. ; de Oliveira, Raimundo C. ; Saleska, Scott. / Amazon forest carbon dynamics predicted by profiles of canopy leaf area and light environment. In: Ecology Letters. 2012 ; Vol. 15, No. 12. pp. 1406-1414.
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