CORE 2011 Cohort
Team SIR (Susceptible, Infected, Recovered)
M. Jansen & M. Rittenhouse
Project: Assessing competition between infected and uninfected B. tentaculata.
Students involved in this project have found that B. tentaculata grow at different rates depending on whether they are housed with individuals of different infection states or similar infection states. Differences in these growth rates will be used to generate competition coefficients which will then be incorporated into an expanded model of parasite transmission among snails and waterfowl in the upper Mississippi River.
Team DEB (Dynamic Energy Budgets)
K. Soltau & K. Van Calster
Project: Investigating resource allocation in infected and uninfected B. tentaculata.
Students as part of this team have developed a conceptual model of energy allocation patterns in B. tentaculata in the presence/absence of infection by S. pseuodglobulus. Results from their empirical work have shown that infected snails grow to a significantly larger size than their uninfected counterparts. Therefore, it appears as though the phenomenon known as host “gigantism” is occurring in this system. Differential host growth rates in combination with weight estimates of snail/parasite tissues and host respiration will be used to finalize parameters for incorporation into the differential equation model.
More detail coming soon!
J.P. Peirce, G.J. Sandland, C. Sutter, and R.J. Haro, Predicting the ecological outcomes of species invasions and parasite transmission in the upper Mississippi River, submitted.