@article{fdi:010053383, title = {{P}artitioning global patterns of freshwater fish beta diversity reveals contrasting signatures of past climate changes}, author = {{L}eprieur, {F}abien and {T}edesco, {P}ablo and {H}ugueny, {B}ernard and {B}eauchard, {O}. and {D}urr, {H}.{H}. and {B}rosse, {S}. and {O}berdorff, {T}hierry}, editor = {}, language = {{ENG}}, abstract = {{H}ere, we employ an additive partitioning framework to disentangle the contribution of spatial turnover and nestedness to beta diversity patterns in the global freshwater fish fauna. {W}e find that spatial turnover and nestedness differ geographically in their contribution to freshwater fish beta diversity, a pattern that results from contrasting influences of {Q}uaternary climate changes. {D}ifferences in fish faunas characterized by nestedness are greater in drainage basins that experienced larger amplitudes of {Q}uaternary climate oscillations. {C}onversely, higher levels of spatial turnover are found in historically unglaciated drainage basins with high topographic relief, these having experienced greater {Q}uaternary climate stability. {S}uch an historical climate signature is not clearly detected when considering the overall level of beta diversity. {Q}uantifying the relative roles of historical and ecological factors in explaining present-day patterns of beta diversity hence requires considering the different processes generating these patterns and not solely the overall level of beta diversity.}, keywords = {{B}eta diversity ; biogeography ; freshwater ecosystems ; geographical ; isolation ; historical climate stability ; niche limitation ; {Q}uaternary ; climate changes ; spatial turnover}, booktitle = {}, journal = {{E}cology {L}etters}, volume = {14}, numero = {4}, pages = {325--334}, ISSN = {1461-023{X}}, year = {2011}, DOI = {10.1111/j.1461-0248.2011.01589.x}, URL = {https://www.documentation.ird.fr/hor/fdi:010053383}, }