@article{fdi:010093395, title = {{L}ove thy neighbour ? {T}ropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon- and water-related traits}, author = {{N}emetschek, {D}. and {F}ortunel, {C}laire and {M}arcon, {E}. and {A}uer, {J}. and {B}adouard, {V}. and {B}araloto, {C}. and {B}oisseaux, {M}. and {B}onal, {D}. and {C}oste, {S}. and {D}ardevet, {E}. and {H}euret, {P}. and {H}ietz, {P}. and {L}evionnois, {S}. and {M}arechaux, {I}. and {S}tahl, {C}. and {V}leminckx, {J}. and {W}anek, {W}. and {Z}iegler, {C}. and {D}erroire, {G}.}, editor = {}, language = {{ENG}}, abstract = {{T}axonomic diversity effects on forest productivity and response to climate extremes range from positive to negative, suggesting a key role for complex interactions among neighbouring trees. {T}o elucidate how neutral interactions, hierarchical competition and resource partitioning between neighbours' shape tree growth and climate response in a highly diverse {A}mazonian forest, we combined 30 years of tree censuses with measurements of water- and carbon-related traits. {W}e modelled individual tree growth response to climate and neighbourhood to disentangle the relative effect of neighbourhood densities, trait hierarchies and dissimilarities. {W}hile neighbourhood densities consistently decreased growth, trait dissimilarity increased it, and both had the potential to influence climate response. {G}reater water conservatism provided a competitive advantage to focal trees in normal years, but water-spender neighbours reduced this effect in dry years. {B}y underlining the importance of density and trait-mediated neighbourhood interactions, our study offers a way towards improving predictions of forest dynamics.}, keywords = {climate response ; functional traits ; neighbourhood interactions ; plant-water relations ; tree growth ; tropical forests}, booktitle = {}, journal = {{E}cology {L}etters}, volume = {28}, numero = {4}, pages = {e70028 [14 p.]}, ISSN = {1461-023{X}}, year = {2025}, DOI = {10.1111/ele.70028}, URL = {https://www.documentation.ird.fr/hor/fdi:010093395}, }