@article{fdi:010089622, title = {{G}eography and ecology shape the phylogenetic composition of {A}mazonian tree communities}, author = {{L}uize, {B}. {G}. and {B}auman, {D}avid and ter {S}teege, {H}. and {P}alma-{S}ilva, {C}. and do {A}maral, {I}. {L}. and {C}oelho, {L}. {D}. and {M}atos, {F}. {D}. {D}. and {L}ima, {D}. {D}. and {S}alomao, {R}. {P}. and {W}ittmann, {F}. and {C}astilho, {C}. {V}. and {C}arim, {M}. {D}. {J}. and {G}uevara, {J}. {E}. and {P}hillips, {O}. {L}. and {M}agnusson, {W}. {E}. and {S}abatier, {D}aniel and {R}evilla, {J}. {D}. {C}. and {M}olino, {J}ean-{F}ran{\c{c}}ois and {I}rume, {M}. {V}. and {M}artins, {M}. {P}. and {G}uimaraes, {J}. {R}. {D}. and {R}amos, {J}. {F}. and {B}ánki, {O}. {S}. and {P}iedade, {M}. {T}. {F}. and {L}ópez, {D}. {C}. and {P}itman, {N}. {C}. {A}. and {D}emarchi, {L}. {O}. and {S}ch{\¨o}ngart, {J}. and {N}ovo, {E}mmdl and {V}argas, {P}. {N}. and {S}ilva, {T}. {S}. {F}. and {V}enticinque, {E}. {M}. and {M}anzatto, {A}. {G}. and {R}eis, {N}. {F}. {C}. and {T}erborgh, {J}. and {C}asula, {K}. {R}. and {C}oronado, {E}. {N}. {H}. and {M}endoza, {A}. {M}. and {M}ontero, {J}. {C}. and {C}osta, {F}. {R}. {C}. and {F}eldpausch, {T}. {R}. and {Q}uaresma, {A}. {C}. and {A}rboleda, {N}. {C}. and {Z}artman, {C}. {E}. and {K}illeen, {T}. {J}. and {M}arimon, {B}. {S}. and {M}arimon, {B}., {J}r. and {V}asquez, {R}. and {M}ostacedo, {B}. and {A}ssis, {R}. {L}. and {B}araloto, {C}. and do {A}maral, {D}. {D}. and {E}ngel, {J}ulien and et al.}, editor = {}, language = {{ENG}}, abstract = {{A}im: {A}mazonia hosts more tree species from numerous evolutionary lineages, both young and ancient, than any other biogeographic region. {P}revious studies have shown that tree lineages colonized multiple edaphic environments and dispersed widely across {A}mazonia, leading to a hypothesis, which we test, that lineages should not be strongly associated with either geographic regions or edaphic forest types. {L}ocation: {A}mazonia. {T}axon: {A}ngiosperms ({M}agnoliids; {M}onocots; {E}udicots). {M}ethods: {D}ata for the abundance of 5082 tree species in 1989 plots were combined with a mega-phylogeny. {W}e applied evolutionary ordination to assess how phylogenetic composition varies across {A}mazonia. {W}e used variation partitioning and {M}oran's eigenvector maps ({MEM}) to test and quantify the separate and joint contributions of spatial and environmental variables to explain the phylogenetic composition of plots. {W}e tested the indicator value of lineages for geographic regions and edaphic forest types and mapped associations onto the phylogeny. {R}esults: {I}n the terra firme and v & aacute;rzea forest types, the phylogenetic composition varies by geographic region, but the igap & oacute; and white-sand forest types retain a unique evolutionary signature regardless of region. {O}verall, we find that soil chemistry, climate and topography explain 24% of the variation in phylogenetic composition, with 79% of that variation being spatially structured ({R}-2 = 19% overall for combined spatial/environmental effects). {T}he phylogenetic composition also shows substantial spatial patterns not related to the environmental variables we quantified ({R}-2 = 28%). {A} greater number of lineages were significant indicators of geographic regions than forest types. {M}ain {C}onclusion: {N}umerous tree lineages, including some ancient ones (>66 {M}a), show strong associations with geographic regions and edaphic forest types of {A}mazonia. {T}his shows that specialization in specific edaphic environments has played a long-standing role in the evolutionary assembly of {A}mazonian forests. {F}urthermore, many lineages, even those that have dispersed across {A}mazonia, dominate within a specific region, likely because of phylogenetically conserved niches for environmental conditions that are prevalent within regions.}, keywords = {community assembly ; dispersal limitation ; environmental selection ; evolutionary principal component analysis ; indicator lineage analysis ; {M}oran's eigenvector maps ; neotropics ; {N}iche conservatism ; tropical rain ; forests ; {AMAZONIE}}, booktitle = {}, journal = {{J}ournal of {B}iogeography}, volume = {51}, numero = {7}, pages = {1163--1184}, ISSN = {0305-0270}, year = {2024}, DOI = {10.1111/jbi.14816}, URL = {https://www.documentation.ird.fr/hor/fdi:010089622}, }