I Autecology -- On the phenotypic plasticity of leaf photosynthetic capacity -- A model of optimal thermoregulation during gestation -- Holling's 'hungry mantid' model for the invertebrate functional response considered as a Markov process. Part 0: A survey of the main ideas and results -- The effect of competition on the flowering time of annual plants -- Evolutionarily stable strategies for larval dragonflies -- II Population Biology -- The storage effect in stochastic population models -- The stable size distribution: an example in structured population dynamics -- "Stage-structure" models of uniform larval competition -- Simple models for age dependent predation -- A model of naticid gastropod predator-prey co-evolution -- A theoretical model for the coevolution of a host and its parasite -- III Community and Ecosystem Theory -- Particle size spectra in ecology -- Species-abundance relation and diversity -- A competition model with age structure -- Stability vs. complexity in model competition communities -- Persistence in food webs -- The structure of cycling in the Ythan Estuary -- IV Applications: Fisheries -- Constant yield harvesting of population systems -- Estimating the response of populations to exploitation from catch and effort data -- Bioeconomics and the management of tuna stocks in the eastern tropical Atlantic -- The multispecies fisheries problem: A case study of Georges Bank -- The legacy of Beverton and Holt -- V Applications: Epidemiology -- Eradication strategies for virus infections -- Models for a class of man-environment epidemic diseases -- Mathematical models of vertical transmission of infection -- Integral equations for infections with discrete parasites: Hosts with Lotka birth law -- VI The Dynamics of Movement: Diffusion Models -- Predator-prey dynamics in spatially structured populations: manipulating dispersal in a coccinellid-aphid interaction -- Oceanic turbulent diffusion of abiotic and biotic species -- Taxes in cellular ecology -- Nonlinear diffusion problems in age-structured population dynamics -- A mathematical model of population dynamics involving diffusion and resources -- VII Spatial Pattern and Diffusion Models -- Critical patch size for plankton and patchiness -- Spatial distribution of rapidly dispersing animals in heterogeneous environments -- Spatial distribution of competing species -- Space structures of some migrating populations.