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Research Interests
John Stark is an ecotoxicologist who specializes in ecological
risk assessment of threatened and endangered species. He runs the
WSU Salmon toxicology research laboratory and has recently started
work on the effects of pesticides on endangered butterfly species.
Stark is also a population modeler and has developed
population-level risk assessments based on matrix models and
differential equation models.
Research Summary
* Effects of pesticides on endangered butterfly species
* Ecotoxicology of pesticides and other toxicants in aquatic and agricultural ecosystems
* Demographic toxicology and modeling impacts on populations.
* Tephritid fruit fly population ecology and control
Research Publications
2005-2009
Laetz, C.A., Baldwin, D.H., Hebert, V., Stark,
J.D., Scholz, N.L. 2009. The synergistic toxicity of
pesticide mixtures: implications for ecological risk assessment and
the conservation of threatened Pacific salmon. Environmental Health
Perspectives 117:348-353.
Stark, J.D. and R. Vargas, An evaluation of
alternative insecticides to diazinon for control of tephritid fruit
flies (Diptera: Tephritidae) in soil. J Econ Entomol, 2009. 102(1):
p. 139-43.
Deardorff, A.D. and J.D. Stark, Acute toxicity
and hazard assessment of spinosad and R-11 to three cladoceran
species and Coho salmon. Bull Environ Contam Toxicol, 2009. 82(5):
p. 549-53.
Banks, J.E., Dick, L.K., Banks, H.T., Stark,
J.D. 2008. Time-varying disturbance parameters in
ecology:an alternative to matrix models. Ecological Modelling
210:155-160.
Stark, J.D., R. Vargas, and J.E. Banks,
Incorporating ecologically relevant measures of pesticide effect
for estimating the compatibility of pesticides and biocontrol
agents. J Econ Entomol, 2007. 100(4): p. 1027-32.
Stark, J.D., Sugayama, R., and Kovaleski, A.
2007. Why demographic and modeling approaches should be adopted for
estimating the effects of pesticides on biocontrol agents.
BioControl. 52: 365-374.
Kramarz, P., Banks, J., and Stark, J.D. 2007.
Density-dependent response of the pea aphid (Hemiptera: Aphididae)
to imidacloprid. J. Insect Science 42: 200-206.
Stark, J.D., and Acheampong, S. 2007. A
demographic and modeling approach to determine the suitability of
two hosts, Brevicoryne brassicae (Linnaeus) (Aphididae) and Myzus
persicae (Sulze). Pan Pacific Entomologist 83: 1-8.
Banks, H., Banks, J., Dick, L., and Stark, J.D.
2007. Estimation of dynamic rate parameters in insect populations
undergoing sublethal exposure to pesticides. Bulletin of
Mathematical Biology. 69: 2139-2180.
Stark, J.D., How closely do acute lethal
concentration estimates predict effects of toxicants on
populations? Integr Environ Assess Manag, 2005. 1(2): p.
109-13.
Stark, J.D. and R.I. Vargas, Toxicity and hazard
assessment of fipronil to Daphnia pulex. Ecotoxicol Environ Saf,
2005. 62(1): p. 11-6.