@article{fdi:010084359, title = {{F}orest fragmentation impacts the seasonality of {A}mazonian evergreen canopies}, author = {{N}unes, {M}. {H}. and {C}amargo, {J}. {L}. {C}. and {V}incent, {G}r{\'e}goire and {C}alders, {K}. and {O}liveira, {R}. {S}. and {H}uete, {A}. and de {M}oura, {Y}. {M}. and {N}elson, {B}. and {S}mith, {M}. {N}. and {S}tark, {S}. {C}. and {M}aeda, {E}. {E}.}, editor = {}, language = {{ENG}}, abstract = {{P}redictions of the magnitude and timing of leaf phenology in {A}mazonian forests remain highly controversial. {H}ere, we use terrestrial {L}i{DAR} surveys every two weeks spanning wet and dry seasons in {C}entral {A}mazonia to show that plant phenology varies strongly across vertical strata in old-growth forests, but is sensitive to disturbances arising from forest fragmentation. {I}n combination with continuous microclimate measurements, we find that when maximum daily temperatures reached 35 degrees {C} in the latter part of the dry season, the upper canopy of large trees in undisturbed forests lost plant material. {I}n contrast, the understory greened up with increased light availability driven by the upper canopy loss, alongside increases in solar radiation, even during periods of drier soil and atmospheric conditions. {H}owever, persistently high temperatures in forest edges exacerbated the upper canopy losses of large trees throughout the dry season, whereas the understory in these light-rich environments was less dependent on the altered upper canopy structure. {O}ur findings reveal a strong influence of edge effects on phenological controls in wet forests of {C}entral {A}mazonia. {E}ven evergreen tropical forests can have seasonal dynamics, which may be sensitive to disturbance. {H}ere, the authors combine high-resolution remote sensing observations and microclimate data to show that forest fragmentation impacts canopy phenology dynamics in the {A}mazon forest.}, keywords = {{BRESIL} ; {AMAZONIE}}, booktitle = {}, journal = {{N}ature {C}ommunications}, volume = {13}, numero = {1}, pages = {917 [10 p.]}, year = {2022}, DOI = {10.1038/s41467-022-28490-7}, URL = {https://www.documentation.ird.fr/hor/fdi:010084359}, }