During community assembly, species may accumulate not only by immigration, but also by
in situ diversification. Diversification has intrigued biologists because its extent varies even …

Rapid within-species evolution can alter community structure, yet the mechanisms
underpinning this effect remain unknown. Populations that rapidly evolve large amounts of …

Dispersal is simply defined as the movement of species across space and time. Despite this
terse definition, dispersal is an essential process with direct ecological and evolutionary …

Can differences in community assembly alter the relationship between biodiversity and
ecosystem function? Pholchan et al.(2013) used a variety of manipulations to change …

High dispersal rates between patches in spatially structured populations can impede
diversification and homogenize diversity. These homogenizing effects of dispersal are likely …

Community coalescence, the mixing of multiple communities, is ubiquitous in natural
microbial communities. During coalescence, theory suggests the success of a population …

We propose that microbial diversity must be viewed in light of gene flow and selection, which
define units of genetic similarity, and of phenotype and ecological function, respectively. We …

Selection and dispersal are ecological processes that have contrasting roles in the
assembly of communities. Variable selection diversifies and strong dispersal homogenizes …

Specialization and concomitant trade-offs are assumed to underlie the non-neutral
coexistence of lineages. Trade-offs across heterogeneous environments can promote …

ABSTRACT A large number of descriptive surveys have shown that microbial communities
experience successional changes over time and that ecological dominance is common in …