@article{fdi:010090298, title = {{S}ame process, different patterns: pervasive effect of evolutionary time on species richness in freshwater fishes}, author = {{G}arcĂ­a-{A}ndrade, {A}. {B}. and {T}edesco, {P}ablo and {C}arvajal-{Q}uintero, {J}. {D}. and {A}rango, {A}. and {V}illalobos, {F}.}, editor = {}, language = {{ENG}}, abstract = {{T}ropical lands harbour the highest number of species, resulting in the ubiquitous latitudinal diversity gradient ({LDG}). {H}owever, exceptions to this pattern have been observed in some taxa, explained by the interaction between the evolutionary histories and environmental factors that constrain species' physiological and ecological requirements. {H}ere, we applied a deconstruction approach to map the detailed species richness patterns of {A}ctinopterygian freshwater fishes at the class and order levels and to disentangle their drivers using geographical ranges and a phylogeny, comprising 77% (12 557) of all described species. {W}e jointly evaluated seven evolutionary and ecological hypotheses posited to explain the {LDG}: diversification rate, time for speciation, species-area relationship, environmental heterogeneity, energy, temperature seasonality and past temperature stability. {W}e found distinct diversity gradients across orders, including expected, bimodal and inverse {LDG}s. {D}espite these differences, the positive effect of evolutionary time explained patterns for all orders, where species-rich regions are inhabited by older species compared to species-poor regions. {O}verall, the {LDG} of each order has been shaped by a unique combination of factors, highlighting the importance of performing a joint evaluation of evolutionary, historical and ecological factors at different taxonomic levels to reach a comprehensive understanding on the causes driving global species richness patterns.}, keywords = {latitudinal diversity gradients ; actinopterygii ; time-for-speciation ; hypothesis ; temperature seasonality ; {MONDE}}, booktitle = {}, journal = {{P}roceedings of the {R}oyal {S}ociety {B} : {B}iological {S}ciences}, volume = {290}, numero = {2006}, pages = {20231066 [12 p.]}, ISSN = {0962-8452}, year = {2023}, DOI = {10.1098/rspb.2023.1066}, URL = {https://www.documentation.ird.fr/hor/fdi:010090298}, }