Abundance of food resources and interspecific competition can significantly influence the dynamics of arvicoline rodent populations. We studied responses of Microtus ochrogaster and M.pennsylvanicus to supplemental food ...

Population demography of the northern short-tailed shrew, Blarina brevicauda, was studied for 25 years in bluegrass, alfalfa, and tallgrass habitats in east-central Illinois. The population in bluegrass had higher over-winter ...

Factors associated with initiation of population cycles of Microtus ochrogaster and M. pennsylvanicus were studied in alfalfa, bluegrass and tallgrass habitats for 25 years. For both species, increased survival appeared ...