The diversity and abundance of polychaetes (Annelida) are altered in sediments impacted by alumina refinery discharge in the Northern Territory,Australia |
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| Institution: | 1. Charles Darwin University, Darwin 0909, Australia;2. Museum and Art Gallery Northern Territory, Darwin 0801, Australia;3. Australian Institute of Marine Science, Darwin 0810, Australia;1. Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, Davis, CA, USA;2. Department of Biology, Woods Hole Oceanographic Institution, Woods Hole, MA, USA;3. Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA;4. Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California Davis, Davis, CA, USA;5. The Medical Investigations of Neurodevelopmental Disorders (MIND) Institute, University of California Davis Medical Center, Sacramento, USA;1. Ifremer Laboratoire Environnement Ressources Aracachon/Anglet (LER AC/AN) - FED 4155 MIRA 1, Allée du Parc Montaury, 64600, ANGLET, France;2. Université de Pau et des Pays de l''Adour (UPPA) - Collège STEE, 1, Allée du Parc Montaury, 64600 ANGLET, France;3. Department of Plant Biology and Ecology, University of the Basque Country (UPV/EHU) - PO Box 644, BILBAO, 48080, Spain;4. CNRS/ Univ Pau & Pays Adour/ E2S UPPA, Institut des Sciences Analytiques et de Physico Chimie pour l''environnement et les Matériaux - MIRA, UMR5254, 64600, ANGLET, France;5. Muséum National d''Histoire Naturelle (MNHN), Station de Biologie Marine de Concarneau, BP 225, 29182, CONCARNEAU, France;1. ICC, University of Barcelona (UB-IEEC), Marti i Franques 1, 08028, Barcelona, Spain;2. ICREA, Pg. Lluis Companys 23, 08010 Barcelona, Spain;3. Radcliffe Institute for Advanced Study, Harvard University, MA 02138, USA;4. Institute for Theory & Computation, Harvard University, 60 Garden Street, Cambridge, MA 02138, USA;5. Instituto de Fisica Corpuscular, CSIC-UVEG, P.O. 22085, Valencia, 46071, Spain;6. Laboratorio Subterráneo de Canfranc, Estación de Canfranc, 22880, Spain;7. Institute of Theoretical Astrophysics, University of Oslo, Oslo, 0315, Norway;1. Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Paseo Victoria Ocampo N° 1, CC. 175, Mar del Plata 7600, Argentina;2. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia 1917, Buenos Aires 1033, Argentina;1. Zoological Museum Hamburg, Center of Natural History, University of Hamburg, Martin-Luther-King-Platz 3, 20146 Hamburg, Germany;2. Ghent University, Marine Biology Department, Krijgslaan 281/S8, 9000 Gent, Belgium;3. German Centre for Marine Biodiversity Research, Senckenberg research institutes and museums (SFN), Martin-Luther-King-Platz 3, 20146 Hamburg, Germany |
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| Abstract: | We collected polychaete diversity and abundance data at a range of impacted and reference sites near an alumina refinery in Melville Bay, northern Australia. The aims were to measure the impact of sediment modified by the alumina refinery discharge on polychaete communities and secondly to gather baseline data from which to measure future changes. Polychaete communities in both soft-bottom habitats and subtidal areas adjacent to mangrove forests were studied. We also developed and deployed an artificial substratum device to sample polychaetes associated with hard-substrate habitats. For each habitat, polychaete community composition was different between impacted and reference sites and at multiple time points. The impact of future changes either from bioremediation or management practices can be measured against these baseline data. Indicator species analysis was used to identify polychaete species that were significantly different at the locations tested, and we discuss their potential as indicator species. |
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| Keywords: | Polychaete Alumina refinery Metals TOC Northern Territory Australia Benthos Porewater Artificial substrata |
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