Michael Barfield Assistant Scientist Department of Biology 111
Bartram Hall e-mail: mjb01@ufl.edu Mail:
Department of Biology |
I
work at the Arthur
R. Marshall,
Jr., Ecological Sciences Laboratory. Publications, listed
below, include research on adaptation in source-sink systems (Holt
et al. 2003, 2004a, 2004b, 2005; Holt and Barfield 2008, 2009b),
infectious disease ecology (Orive et al. 2005; Holt and Barfield 2006;
Wayne et al. 2011),
effects of temporal variation on populations (Holt and Barfield 2003;
Holt et al. 2003, 2004b; Roy et al. 2005), evolution (Knight et al.
2008; Barfield et al. 2011; Scheiner et al. 2012), species ranges (
Filin et al. 2008; Holt et al. 2011; Holt
and Barfield 2011) and arctic lake ecology
(O'Brien et al. 2004,
2005). |
Publications
at the Ecological Sciences Lab
Overcoming Allee effects through
evolutionary, genetic, and demographic rescue.
Limits on
ecosystem
trophic complexity: insights from ecological network
analysis. R.D. Holt and M. Barfield. 2013. Journal of Theoretical Biology 339: 47–57. Unstable
predator-prey dynamics permits the coexistence of generalist
and specialist predators, and the maintenance of partial preferences. Allee
effects, aggregation, and invasion success. Trait-mediated
effects, density
dependence, and the dynamic stability of ecological systems. The
genetics of phenotypic plasticity. XI. Joint
evolution of plasticity and dispersal rate. The
prevalence and persistence of sigma virus, a
biparentally
transmitted parasite of Drosophila
melanogaster. Predation
and the evolutionary dynamics of species ranges.
Theoretical perspectives on the
statics and dynamics of species’ borders in patchy
environments. Evolution
in stage-structured
populations. Metapopulation
perspectives on the evolution of species’ niches. Trophic
interactions
and range limits: The diverse roles of predation. Predator
shadows: Complex life
histories as generators of spatially patterned indirect interactions
across ecosystems. Habitat
selection and niche conservatism. Evolutionary
dynamics
as a
component of stage-structured matrix models: An example using Trillium
grandiflorum. The
relation
of
density
regulation to habitat specialization, evolution of a species' range,
and the dynamics of
biological invasions. Within-host
pathogen dynamics: Some ecological and evolutionary
consequences of transients,
dispersal mode, and within-host spatial heterogeneity. Temporal
autocorrelation can enhance the persistence and abundance of
metapopulations
comprised of coupled sinks. Theories
of
niche conservatism and
evolution: Could exotic species be potential tests? Long-term
response and
recovery of a partitioned arctic
lake to nutrient addition. Viral
infection in
internally-structured hosts. I.
Conditions for persistent infection. Temporal
variation
can facilitate
niche evolution in
harsh sink environments. Physical,
chemical, and biotic impacts on
arctic zooplankton communities and diversity. Allee
effects,
immigration, and the evolution of species’ niches. Impacts
of
environmental
variability in open populations and communities:
“Inflation” in
sink environments. Impacts
of
temporal variation on apparent competition and
coexistence in open
ecosystems.
The
phenomenology of
niche evolution via quantitative traits in a 'black-hole' sink. |
Prior Biology Publications The
functional
response of drift-feeding arctic grayling: The effects of prey density,
water
velocity and location efficiency. On
the
relationship between the ideal free
distribution and the evolution of dispersal. The
effects
of
density dependence and immigration on local adaptation and niche
evolution in a
black-hole sink environment. Population
dynamics and the evolutionary
stability of biological control. |