RT Journal Article
T1 Climatic stability predicts the congruence between species abundance and genetic diversity
A1 Formoso Freire, Victoria
A1 Baselga Fraga, Andrés
A1 Gómez Rodríguez, Carola
K1 Biodiversity patterns
K1 Coleoptera
K1 Community barcoding
K1 Quaternary climate
K1 Species–genetic diversity correlation (SGDC)
K1 Unified  models
AB Unified models of biological diversity across organizational levels (genes, species, communities) provide key insight into fundamental ecological processes. Theory predicts that the strength of the correlation between species abundance and genetic diversity should be related to community age in closed communities (i.e. abundant species accumulate more genetic diversity over time than rare species). Following this rationale, we hypothesize that historical climatic events are expected to impact assembly processes, hence affecting both the species abundance distribution (SAD) and the species genetic distribution (SGD) in continental communities. Therefore, we predict that, if the congruence between SADs and SGDs depends on community age, then higher congruence would be observed in localities where climate has been more stable since the Last Glacial Maximum (LGM). We tested this prediction using relative abundance and nucleotide diversity (cox1-5′) data from 20 communities of leaf beetles along a latitudinal transect in the Iberian Peninsula. We observed that the congruence between SAD and SGD curves, measured as the correlation between the species' rank orders in both distributions, was significantly related to the change in mean annual temperature since the LGM, but not to current climatic conditions. Our results suggest that, despite the high connectivity of continental communities, historical climatic stability is still a relevant predictor of the congruence between species abundance and genetic diversity. Hence, the degree of congruence between SADs and SGDs could be used as a proxy of community stability, related not only to historical climatic variation but also to any other disrupting factors, including human pressure.
PB Wiley
YR 2024
FD 2024
LK http://hdl.handle.net/10347/33578
UL http://hdl.handle.net/10347/33578
LA eng
NO Formoso-Freire, V., Baselga, A. and Gómez-Rodríguez, C. (2024), Climatic stability predicts the congruence between species abundance and genetic diversity. Ecography e07200
NO This work was supported by the Spanish Ministry of Science and Innovation through grant no. PID2020-112935GB-I00/AEI/10.13039/501100011033 and no. CGL2009-10111, and a FPI scholarship (ref. no. PRE2021-098920) to VF-F.
DS Minerva
RD 24 abr 2026