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Articles | Volume 20, issue 17
https://doi.org/10.5194/bg-20-3651-2023
https://doi.org/10.5194/bg-20-3651-2023
Research article
 | 
13 Sep 2023
Research article |  | 13 Sep 2023

Canopy gaps and associated losses of biomass – combining UAV imagery and field data in a central Amazon forest

Adriana Simonetti, Raquel Fernandes Araujo, Carlos Henrique Souza Celes, Flávia Ranara da Silva e Silva, Joaquim dos Santos, Niro Higuchi, Susan Trumbore, and Daniel Magnabosco Marra

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Cited articles

Aleixo, I., Norris, D., Hemerik, L., Barbosa, A., Prata, E., Costa, F., and Poorter, L.: Amazonian rainforest tree mortality driven by climate and functional traits, Nat. Clim. Change, 9, 384–388, https://doi.org/10.1038/s41558-019-0458-0, 2019. 
Allen, C. D., Breshears, D. D., and McDowell, N. G.: On underestimation of global vulnerability to tree mortality and forest die-off from hotter drought in the Anthropocene, Ecosphere, 6, 1–55, https://doi.org/10.1890/ES15-00203.1, 2015. 
Amaral, M., Lima, A., Higuchi, F., dos Santos, J., and Higuchi, N.: Dynamics of Tropical Forest Twenty-Five Years after Experimental Logging in Central Amazon Mature Forest, Forests, 10, 89, https://doi.org/10.3390/f10020089, 2019. 
Araujo, R. F., Nelson, B. W., Celes, C. H. S., and Chambers, J. Q.: Regional distribution of large blowdown patches across Amazonia in 2005 caused by a single convective squall line, Geophys. Res. Lett., 44, 7793–7798, https://doi.org/10.1002/2017GL073564, 2017. 
Araujo, R. F., Chambers, J. Q., Celes, C. H. S., Muller-Landau, H. C., dos Santos, A. P. F., Emmert, F., Ribeiro, G. H. P. M., Gimenez, B. O., Lima, A. J. N., Campos, M. A. A., and Higuchi, N.: Integrating high resolution drone imagery and forest inventory to distinguish canopy and understory trees and quantify their contributions to forest structure and dynamics, PLoS One, 15, 1–16, https://doi.org/10.1371/journal.pone.0243079, 2020. 
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We combined 2 years of monthly drone-acquired RGB (red–green–blue) imagery with field surveys in...
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