Cichlid species-area relationships are shaped by adaptive radiations that scale with area


Autoria(s): Wagner, Catherine; Harmon, Luke J.; Seehausen, Ole; Morlon, Helene
Data(s)

01/05/2014

Resumo

A positive relationship between species richness and island size is thought to emerge from an equilibrium between immigration and extinction rates, but the influence of species diversification on the form of this relationship is poorly understood. Here, we show that within-lake adaptive radiation strongly modifies the species-area relationship for African cichlid fishes. The total number of species derived from in situ speciation increases with lake size, resulting in faunas orders of magnitude higher in species richness than faunas assembled by immigration alone. Multivariate models provide evidence for added influence of lake depth on the species-area relationship. Diversity of clades representing within-lake radiations show responses to lake area, depth and energy consistent with limitation by these factors, suggesting that ecological factors influence the species richness of radiating clades within these ecosystems. Together, these processes produce lake fish faunas with highly variable composition, but with diversities that are well predicted by environmental variables.

Formato

application/pdf

Identificador

http://boris.unibe.ch/45862/1/Wagner_etal_EcolLett.pdf

Wagner, Catherine; Harmon, Luke J.; Seehausen, Ole; Morlon, Helene (2014). Cichlid species-area relationships are shaped by adaptive radiations that scale with area. Ecology Letters, 17(5), pp. 583-592. Wiley-Blackwell Publishing 10.1111/ele.12260 <http://dx.doi.org/10.1111/ele.12260>

doi:10.7892/boris.45862

info:doi:10.1111/ele.12260

urn:issn:1461-023X

Idioma(s)

eng

Publicador

Wiley-Blackwell Publishing

Relação

http://boris.unibe.ch/45862/

Direitos

info:eu-repo/semantics/restrictedAccess

Fonte

Wagner, Catherine; Harmon, Luke J.; Seehausen, Ole; Morlon, Helene (2014). Cichlid species-area relationships are shaped by adaptive radiations that scale with area. Ecology Letters, 17(5), pp. 583-592. Wiley-Blackwell Publishing 10.1111/ele.12260 <http://dx.doi.org/10.1111/ele.12260>

Palavras-Chave #570 Life sciences; biology
Tipo

info:eu-repo/semantics/article

info:eu-repo/semantics/publishedVersion

PeerReviewed