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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Dafforn, Katherine A. Simpson, Stuart L. Kelaher, Brendan P. Clark, Graeme F. Komyakova, Valeriya Wong, Chris K. C. Johnston, Emma L. |
| Description | Country affiliation: Australia Author Affiliation: Dafforn KA ( Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia. k.dafforn@unsw.edu.au) |
| Abstract | Ecological assessments over large spatial scales require that anthropogenic impacts be distinguishable above natural variation, and that monitoring tools are implemented to maximise impact detection and minimise cost. For three heavily modified and four relatively 'pristine' estuaries (disturbance category), chemical indicators (metals and PAHs) of anthropogenic stress were measured in benthic sediments, suspended sediments and deployed oysters, together with other environmental variables. These were compared with infaunal and hard-substrate invertebrate communities. Univariate analyses were useful for comparing contaminant loads between different monitoring tools and identified the strongest relationships between benthic and suspended sediments. However, multivariate analyses were necessary to distinguish ecological response to anthropogenic stressors from environmental 'noise' over a large spatial scale and to identify sites that were being impacted by contaminants. These analyses provide evidence that suspended sediments are a useful alternative monitoring tool to detect potential anthropogenic impacts on benthic (infaunal and hard-substrate) communities. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Volume Number | 163 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-04-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Ecosystem Environmental Monitoring Methods Water Pollutants, Chemical Analysis Animals Fresh Water Chemistry Metals Metabolism Ostreidae Polycyclic Hydrocarbons, Aromatic Seawater Water Pollution, Chemical Statistics & Numerical Data Wetlands Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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