@article{aguilee_adaptive_2013,
Author = {Aguilée, Robin and Claessen, David and Lambert,
Amaury},
Title = {Adaptive radiation driven by the interplay of
eco-evolutionary and landscape dynamics},
Journal = {Evolution},
Volume = {67},
Number = {5},
Pages = {1291--1306},
abstract = {We investigate an individual-based model of adaptive
radiation based on the biogeographical changes of the
Great African Lakes where cichlid fishes radiated. In
our model, the landscape consists of a mosaic of three
habitat types which may or may not be separated by
geographic barriers. We study the effect of the
alternation between allopatry and sympatry called
landscape dynamics. We show that landscape dynamics can
generate a significantly higher diversity than
allopatric or sympatric speciation alone.
Diversification is mainly due to the joint action of
allopatric, ecological divergence, and of disruptive
selection increasing assortative mating and allowing
for the coexistence in sympatry of species following
reinforcement or character displacement. Landscape
dynamics possibly increase diversity at each landscape
change. The characteristics of the radiation depend on
the speed of landscape dynamics and of the number of
geographically isolated regions at steady state. Under
fast dynamics of a landscape with many fragments, the
model predicts a high diversity, possibly subject to
the temporary collapse of all species into a hybrid
swarm. When fast landscape dynamics induce the
recurrent fusion of several sites, diversity is
moderate but very stable over time. Under slow
landscape dynamics, diversification proceeds similarly,
although at a slower pace.},
doi = {10.1111/evo.12008},
issn = {1558-5646},
language = {eng},
month = may,
pmid = {23617909},
year = 2013
}