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Author’s VersionCC BY-NC-ND V4.0, Open Access
Journal article
Benthic macroinvertebrates as indicators of environmental deterioration in a large microtidal estuary
Marine Pollution Bulletin, Vol.62(3), pp.525-538
2011
Abstract
This study tested the hypothesis that, during recent years, the benthic macroinvertebrate fauna of the large basin of the Swan-Canning Estuary has changed in ways consistent with deteriorating environmental conditions in that estuary. Between 1986/7 and 2003/4, the compositions of that fauna altered markedly at the species and even family levels. Thus, the densities and number of species of molluscs, and especially of crustaceans, which are particularly susceptible to environmental stress, declined, while those of the more tolerant polychaetes increased. However, taxonomic distinctness declined consistently only at one of the four widely-spaced sampling sites and the dispersion of samples did not differ markedly between periods, indicating that the benthic fauna has not undergone such extreme changes as in the nearby Peel-Harvey Estuary. It is thus proposed that benthic macroinvertebrates can act as important indicators of the severity of environmental degradation in microtidal estuaries in regions where such perturbations are increasing.
Details
- Title
- Benthic macroinvertebrates as indicators of environmental deterioration in a large microtidal estuary
- Authors/Creators
- M.D. Wildsmith (Author/Creator) - Murdoch UniversityT.H. Rose (Author/Creator) - Cockburn Sound Management Council, Unit 1, 15 Railway Terrace, Rockingham, Western Australia 6168, AustraliaI.C. Potter (Author/Creator) - Murdoch UniversityR.M. Warwick (Author/Creator) - Plymouth Marine LaboratoryK.R. Clarke (Author/Creator) - Plymouth Marine Laboratory
- Publication Details
- Marine Pollution Bulletin, Vol.62(3), pp.525-538
- Publisher
- Elsevier BV
- Identifiers
- 991005541307407891
- Copyright
- © 2010 Elsevier Ltd.
- Murdoch Affiliation
- Centre for Fish and Fisheries Research
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.605 Benthic Biodiversity
- Web Of Science research areas
- Environmental Sciences
- Marine & Freshwater Biology
- ESI research areas
- Environment/Ecology