Zooplankton ecology; population and community ecology, role of the physical environment in determining the distribution, abundance, and behavior of zooplankton, and the adaptations of organisms to their environment; trophodynamics and population ecology of marine copepods; model descriptions of population dynamics of marine organisms; individual-based modeling of bioenergetics and individual variability (feeding histroy, acclimation, energy reserves) in determining behavior, growth, development. and reproduction of crustacean zooplankton.