Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment
To understand dispersal and assimilation of aquaculture waste subsidies in a naturally low-productivity environment, we applied a novel, rapid transmethylation technique to analyse sediment and biota fatty acid composition. This technique was initially validated at Atlantic salmon farms in Macquarie...
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Online Access: | https://doi.org/10.1016/j.marpolbul.2017.05.042 http://www.ncbi.nlm.nih.gov/pubmed/28535958 http://ecite.utas.edu.au/123161 |
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ftunivtasecite:oai:ecite.utas.edu.au:123161 2023-05-15T15:32:14+02:00 Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment White, CA Nichols, PD Ross, DJ Dempster, T 2017 https://doi.org/10.1016/j.marpolbul.2017.05.042 http://www.ncbi.nlm.nih.gov/pubmed/28535958 http://ecite.utas.edu.au/123161 en eng Pergamon-Elsevier Science Ltd http://dx.doi.org/10.1016/j.marpolbul.2017.05.042 White, CA and Nichols, PD and Ross, DJ and Dempster, T, Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment, Marine Pollution Bulletin, 120, (1-2) pp. 309-321. ISSN 0025-326X (2017) [Refereed Article] http://www.ncbi.nlm.nih.gov/pubmed/28535958 http://ecite.utas.edu.au/123161 Biological Sciences Ecology Marine and Estuarine Ecology (incl. Marine Ichthyology) Refereed Article PeerReviewed 2017 ftunivtasecite https://doi.org/10.1016/j.marpolbul.2017.05.042 2019-12-13T22:21:56Z To understand dispersal and assimilation of aquaculture waste subsidies in a naturally low-productivity environment, we applied a novel, rapid transmethylation technique to analyse sediment and biota fatty acid composition. This technique was initially validated at Atlantic salmon farms in Macquarie Harbour, Australia, where sediments were collected at farm and control locations. Subsequently, sediment, benthic polychaete and zooplankton were sampled at sites 0, 50, 250, 500 and 1000 m distant from multiple cages. Results demonstrated an acute deposition zone up to 50 m from cages and a diffuse zone extending 500 m from cages. Changes in sediment concentration of linoleic acid, oleic acid and total fatty acids were effective tracers of farm deposition. Bacterial biomarkers indicated that aquaculture waste stimulates bacterial productivity in sediments, with elevated biomarker concentrations also detected in benthic polychaetes. Overall, fatty acid analysis was a sensitive technique to characterize the benthic footprint of aquaculture influence. Article in Journal/Newspaper Atlantic salmon eCite UTAS (University of Tasmania) Marine Pollution Bulletin 120 1-2 309 321 |
institution |
Open Polar |
collection |
eCite UTAS (University of Tasmania) |
op_collection_id |
ftunivtasecite |
language |
English |
topic |
Biological Sciences Ecology Marine and Estuarine Ecology (incl. Marine Ichthyology) |
spellingShingle |
Biological Sciences Ecology Marine and Estuarine Ecology (incl. Marine Ichthyology) White, CA Nichols, PD Ross, DJ Dempster, T Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment |
topic_facet |
Biological Sciences Ecology Marine and Estuarine Ecology (incl. Marine Ichthyology) |
description |
To understand dispersal and assimilation of aquaculture waste subsidies in a naturally low-productivity environment, we applied a novel, rapid transmethylation technique to analyse sediment and biota fatty acid composition. This technique was initially validated at Atlantic salmon farms in Macquarie Harbour, Australia, where sediments were collected at farm and control locations. Subsequently, sediment, benthic polychaete and zooplankton were sampled at sites 0, 50, 250, 500 and 1000 m distant from multiple cages. Results demonstrated an acute deposition zone up to 50 m from cages and a diffuse zone extending 500 m from cages. Changes in sediment concentration of linoleic acid, oleic acid and total fatty acids were effective tracers of farm deposition. Bacterial biomarkers indicated that aquaculture waste stimulates bacterial productivity in sediments, with elevated biomarker concentrations also detected in benthic polychaetes. Overall, fatty acid analysis was a sensitive technique to characterize the benthic footprint of aquaculture influence. |
format |
Article in Journal/Newspaper |
author |
White, CA Nichols, PD Ross, DJ Dempster, T |
author_facet |
White, CA Nichols, PD Ross, DJ Dempster, T |
author_sort |
White, CA |
title |
Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment |
title_short |
Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment |
title_full |
Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment |
title_fullStr |
Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment |
title_full_unstemmed |
Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment |
title_sort |
dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment |
publisher |
Pergamon-Elsevier Science Ltd |
publishDate |
2017 |
url |
https://doi.org/10.1016/j.marpolbul.2017.05.042 http://www.ncbi.nlm.nih.gov/pubmed/28535958 http://ecite.utas.edu.au/123161 |
genre |
Atlantic salmon |
genre_facet |
Atlantic salmon |
op_relation |
http://dx.doi.org/10.1016/j.marpolbul.2017.05.042 White, CA and Nichols, PD and Ross, DJ and Dempster, T, Dispersal and assimilation of an aquaculture waste subsidy in a low productivity coastal environment, Marine Pollution Bulletin, 120, (1-2) pp. 309-321. ISSN 0025-326X (2017) [Refereed Article] http://www.ncbi.nlm.nih.gov/pubmed/28535958 http://ecite.utas.edu.au/123161 |
op_doi |
https://doi.org/10.1016/j.marpolbul.2017.05.042 |
container_title |
Marine Pollution Bulletin |
container_volume |
120 |
container_issue |
1-2 |
container_start_page |
309 |
op_container_end_page |
321 |
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1766362742261809152 |