Search Results - "Williams, Iain S."

The role of nutrition, crowding and interspecific interactions in the development of winged aphids by Müller, Christine B., Williams, Iain S., Hardie, Jim

“…1. Winged morph production in aphids is a phenotypic trait that has traditionally been seen as a response to unfavourable environmental conditions. The…”
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Slow-growth, high-mortality - a general hypothesis, or is it? by Williams, IaiN. S.

“…This paper examines evidence for the slow-growth, high-mortality hypothesis by assessing previously published literature where the level of natural enemy…”
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The role of resources and natural enemies in determining the distribution of an insect herbivore population by Williams, Iain S., Jones, T. Hefin, Hartley, Susan E.

“…1. Both resources and natural enemies can influence the distribution of a herbivore. The ideal free distribution predicts that herbivores distribute themselves…”
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Compensation behaviour by insect herbivores and natural enemies: its influence on community structure by Kondoh, Michio, Williams, Iain S.

“…Insect herbivores feeding on low-quality plants often compensate by increasing their consumption of plant tissue. This usually results in a longer…”
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The influence of size and duration of aphid infestation on host plant quality, and its effect on sugar beet yellowing virus epidemiology by Williams, I.S. (East Anglia Univ., Norwich (United Kingdom). School of Biological Sciences), Dewar, A.M, Dixon, A.F.G

“…This paper studies the influence of previous infestation on the host quality of sugar beet (Beta vulgaris L.) for aphids and the influence of previous…”
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