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Fate and effects of oil and dispersed oil on mangrove ecosystems in Australia

Created 24/06/2017

Updated 09/10/2017

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This three-year project (1995-1998) assessed short and long term effects of commonly transported oils and dispersed oils on Australian mangrove flora and fauna. Short term studies were conducted under planthouse and field conditions. Planthouse experiments were carried out at the Australian Institute of Marine Science, Cape Ferguson. Field studies were carried out at Fisherman's Landing, Port Curtis, near Gladstone, within an area approved for reclamation by the Gladstone Port Authority. Longer term effects were assessed from spill incidents which occurred over the last 30 years at 9 sites around Australia.

In planthouse studies, five oils (Bunker C fuel oil, Arabian Light crude, Gippsland Light crude, Thevenard crude, Woodside condensate) and their dispersed mixtures, using four dispersants (Corexit 9580, Corexit 9527, Shell VDC, BP-AB) were applied to four species of mangrove seedlings (Ceriops spp., Rhizophora stylosa, Avicennia marina, Aegiceras corniculatum) grown in specially constructed tidal tanks. The response of seedlings was monitored for around five months.

In field experiments, oil and dispersed oil treatments were applied on replicated mature plots of Rhizophora stylosa under strictly controlled conditions. Field sites were monitored and sediment cores were collected at 2 days, then 1, 7, 13 and 22 months post-spill. The composition and concentration of hydrocarbons in the sediment cores at various depths were measured and evaluated.

In the field study, the impact of oil and dispersed oil treatments on key flora and fauna was also evaluated. Leaf biomass, and mortality rates of mature Rhizophora stylosa trees and seedlings were measured. The impact on both epifauna and infauna was measured in terms of species diversity, density, biomass and mortality. The presence of Grapsid crabs from the time of oiling to 22 months afterwards was monitored.

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Title Fate and effects of oil and dispersed oil on mangrove ecosystems in Australia
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/5f74c6d7-5465-49e4-a274-66d999271616
Contact Point
Australian Institute of Marine Science
adc@aims.gov.au
Geospatial Coverage {"type": "Polygon", "coordinates": [[[151.15, -23.8], [151.233333, -23.8], [151.233333, -23.783333], [151.15, -23.783333], [151.15, -23.8]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Fate and effects of oil and dispersed oil on mangrove ecosystems in Australia". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/fate-and-effects-of-oil-and-dispersed-oil-on-mangrove-ecosystems-in-australia

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