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Competition And Community Interactions Of Two Generalist Herbivores, Elizabeth Ellen Barnes
Competition And Community Interactions Of Two Generalist Herbivores, Elizabeth Ellen Barnes
Electronic Theses and Dissertations
Competition can have far-reaching consequences for the fitness and distribution of many organisms. In herbivorous insects, competition mediated by a third organism is more common than direct competition and has a strong effect on insect communities; yet most research on indirect competition among herbivores focuses on dietary specialists, and those studies that do include generalists tend to rear them on agricultural crops. My project examines species interactions at three levels: intraspecific competition (within species), interspecific competition (between species), and ecosystem engineering effects at the community level. I studied competition and community interactions of two temporally-separated species of herbivorous insects, western …