R. S. Etienne

Exponential diversity-dependent diversification emerges from an individual-based model with Lotka-Volterra competition

The paper uses an individual-based model to show that speciation rates follow an exponential function of diversity, while extinction rates show weak diversity dependence.

DAISIEprep: an R package for the extraction and formatting of data for the island biogeography model DAISIE

DAISIEprep is an R package that extracts and formats data for the DAISIE island biogeography model, enabling analysis of colonization, speciation, and extinction rates in insular communities.

The limits to ecological limits to diversification

The paper introduces a new DAISIE model to test for phylogenetic limits to ecological limits to diversification using phylogenetic data from Eleutherodactylus frogs on Hispaniola.

The effect of mainland dynamics on data and parameter estimates in island biogeography

This study examines how mainland species turnover and sampling affect phylogenetic patterns and parameter estimates in island biogeography models.

The robustness of a simple dynamic model of island biodiversity to geological and eustatic change

This paper evaluates how well a phylogenetic model handles dynamic island area changes by testing it on simulated data with varying geological scenarios.

Contribution of opsins and chromophores to cone pigment variation across populations of Lake Victoria cichlids

The paper investigates how opsins and chromophore ratios contribute to visual pigment variation in Lake Victoria cichlids, finding genetic differences in cyp27c1 expression linked to environmental and visual habitat differences.

Detecting phylodiversity-dependent diviersification with a general phylogenetic inference framework

The paper introduces a new statistical method to analyze phylodiversity-dependent diversification using Monte Carlo Expectation-Maximization and applies it to 14 phylogenies, finding that phylogenetic divergence can spur speciation despite reduced species richness.

Competition and environmental gradients structure assemblages of Canidae across the planet

This study examines how environmental factors and competition shape the phylogenetic structure of Canidae across different regions, finding that habitat filtering is a dominant force.

Explosive diversification following continental colonizations by canids

The paper investigates whether colonization of new continents by canids led to explosive radiations, finding that crossing the Bering Strait and Isthmus of Panama around 11 million years ago triggered rapid speciation.

Nucleotide substitutions during speciation may explain substitution rate variation

The paper shows that elevated mutation rates during speciation can explain variation in substitution rates across evolutionary lineages.

Quantifying the impact of an inference model in Bayesian phylogenetics

This paper introduces pirouette, an R package that evaluates Bayesian phylogenetic inference error under different macroevolutionary models using BEAST2.

The role of preadaptation, propagule pressure and competition in the colonization of new habitats

This study tests how propagule pressure, preadaptation, and competition affect colonization success using spider mites, finding that these factors positively influence colonization outcomes.

Additional analytical support for a new method to compute the likelihood of diversification models

The paper provides analytical proof that a numerical framework for computing diversification model likelihoods is correct for all special cases with known analytical solutions.