%0 Journal Article
%9 ACL : Articles dans des revues avec comité de lecture répertoriées par l'AERES
%A Smith, M.N.
%A Stark, S.C.
%A Taylor, T.C.
%A Schietti, J.
%A de Almeida, D.R.A.
%A Aragón, S.
%A Torralvo, K.
%A Lima, A.P.
%A de Oliveira, G.
%A de Assis, R.L.
%A Leitold, V.
%A Pontes-Lopes, A.
%A Scoles, R.
%A de Sousa Vieira, L.C.
%A Resende, A.F.
%A Coppola, A.I.
%A Brandão, D.O.
%A de Athaydes Silva Junior, J.
%A Lobato, L.F.
%A Freitas, W.
%A Almeida, D.
%A Souza, M.S.
%A Minor, D.M.
%A Villegas, J.C.
%A Law, D.J.
%A Gonçalves, N.
%A da Rocha, D.G.
%A Guedes, M.C.
%A Tonini, H.
%A da Silva, K.E.
%A van Haren, J.
%A Rosa, D.M.
%A do Valle, D.F.
%A Cordeiro, C.L.
%A de Lima, N.Z.
%A Shao, G.
%A Oliveras Menor, Imma
%A Conti, G.
%A Florentino, A.P.
%A Montti, L.
%A Aragão, L.E.
%A McMahon, S.M.
%A Parker, G.G.
%A Breshears, D.D.
%A da Costa, A.C.L.
%A Magnusson, W.E.
%A Mesquita, R.
%A Camargo, J.L.C.
%A de Oliveira, R.C.
%A de Camargo, P.B.
%A Saleska, S.R.
%A Walker Nelson, B.
%T Diverse anthropogenic disturbances shift Amazon forests along a structural spectrum
%D 2023
%L fdi:010092535
%G ENG
%J Frontiers in Ecology and the Environment
%@ 1540-9295
%K AMAZONIE
%M ISI:000924584000005
%N 1
%P 24-32
%R 10.1002/fee.2590
%U https://www.documentation.ird.fr/hor/fdi:010092535
%> https://horizon.documentation.ird.fr/exl-doc/pleins_textes/2025-01/010092535.pdf
%V 21
%W Horizon (IRD)
%X Amazon forests are being degraded by myriad anthropogenic disturbances, altering ecosystem and climate function. We analyzed the effects of a range of land-use and climate-change disturbances on fine-scale canopy structure using a large database of profiling canopy lidar collected from disturbed and mature Amazon forest plots. At most of the disturbed sites, surveys were conducted 10-30 years after disturbance,











with many exhibiting signs of recovery. Structural impacts differed in magnitude more than in character among disturbance types, producing a gradient of impacts. Structural changes were highly coordinated in a manner consistent across disturbance types, indicating commonalities in regeneration pathways. At the most severely affected site - burned igapó (seasonally flooded forest) - no signs of canopy regeneration











were observed, indicating a sustained alteration of microclimates and consequently greater vulnerability to transitioning to a more open-canopy, savanna-like state. Notably, disturbances rarely shifted forests beyond the natural background of structural variation within mature plots, highlighting the similarities between anthropogenic and natural disturbance regimes, and indicating a degree of resilience among Amazon











forests. Studying diverse disturbance types within an integrated analytical framework builds capacity to predict the risk of degradation-driven forest transitions.
%$ 126TELAPP08 ; 082VEGET ; 021ENVECO