The Spatial and Temporal Dynamics of Host-Parasitoid InteractionsThis book examines our current understanding of the population dynamics of one kind of interaction - that between insect parasitoids and their hosts. Parasitoids are amongst the most abundant of all animals, and make up about 10% or more of metazoan species. Almost no insect species escape their attack. Host-parasitoid interactions were first modelled over fifty years ago, but for many years there was little good empirical information on the important factors that affect host and parasitoid populations. The models were very simple, and their predictions rather divorced from the complexity of what was visible in the field. Now, better data is available on many components of host-parasitoid systems, from field observations and laboratory and field experiments, and this allows a much closer correspondence between models and data. In particular, the past twenty years have seen major advances in our understanding of how host-parasitoid interactions are influenced by spatial processes, by age-structure effects, and by competition from additional host and parasitoid species. The result is a body of theory that makes direct contact with real systems in the field, and provides us with a detailed understanding of what underpins a whole area of population dynamics. In this book, Michael P Hassell pulls the theory and field data together to present an elegant illustration of the way in which ecological studies advance. |
Contents
Introduction | 1 |
Parasitism and host density dependence | 35 |
Heterogeneity in hostparasitoid interactions | 63 |
Continuous time and agestructure | 96 |
Multispecies hostparasitoid systems | 111 |
Metapopulations of hosts and parasitoids | 135 |
Epilogue | 154 |
Index to genera | 191 |
Other editions - View all
The Spatial and Temporal Dynamics of Host-parasitoid Interactions Michael Patrick Hassell No preview available - 2000 |
The Spatial and Temporal Dynamics of Host-parasitoid Interactions Michael Patrick Hassell No preview available - 2000 |
Common terms and phrases
abundance adult parasitoids age-structure American Naturalist Animal Ecology Aphytis apparent competition assumed asynchrony Beddington behaviour biological control Chapter coexistence CV² cycles Cyzenis density dependence density dependence acting discrete dispersal rates eggs example extinction generalist Godfray habitat Hanski heterogeneity Holt host and parasitoid host density dependence host equilibrium host population host rate host species host stage host-parasitoid interactions host-parasitoid models host-parasitoid systems Huffaker Hymenoptera hyperparasitoid insect Journal of Animal laboratory larvae Lawton Lepidoptera levels metapopulation mortality Murdoch natural enemies negative binomial distribution negative binomial model Nicholson Nicholson-Bailey model number of hosts Oecologia Pacala parameter parasitised parasitism parasitoid aggregation parasitoid population parasitoid searching parasitoid species patterns of parasitism persistence Poisson distribution population densities population dynamics population models predator-prey predators random rate of increase red scale Reeve refuge region relatively risk of parasitism searching efficiency searching parasitoids shown in Fig sitoids specialist stability unstable winter moth