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Type: Journal article
Title: Historical configuration of habitat influences the effects of disturbance on mobile invertebrates
Author: Goodsell, P.
Connell, S.
Citation: Marine Ecology: Progress Series, 2005; 299:79-87
Publisher: Inter-research
Issue Date: 2005
ISSN: 0171-8630
Statement of
Paris J. Goodsell and Sean D. Connell
Abstract: Mobile animals can be affected by disturbance because of changes to the structure of their habitat. Few studies, however, recognise the potential for the historical configuration of habitat (e.g. density prior to disturbance) to affect the way animals respond to the disturbance. Furthermore, there is a tendency for ecologists to study or manipulate only the most severe disturbances, but such events are less likely to be common. We tested the hypothesis that the density of Ecklonia radiata before disturbance affects the response of assemblages of mobile invertebrates to different severities of disturbance. Differences in the severity of disturbance caused changes in the structure of assemblages, but this response varied depending on the historical configuration of habitat. The magnitude by which assemblage structure differed between undisturbed and disturbed habitats was greater where habitats were historically sparse rather than dense. We emphasise the importance of assessing a range of severities of disturbance and demonstrate the importance of habitat configuration prior to the disturbance, particularly for animals with close association to their habitat.
Keywords: Disturbance
Habitat structure
Mobile invertebrates
Description: Copyright © 2005 Inter-Research.
DOI: 10.3354/meps299079
Published version:
Appears in Collections:Aurora harvest 6
Earth and Environmental Sciences publications
Environment Institute Leaders publications

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