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An environmental assessment of a proposed amendment to the marine farming zone at Zuidpool Rock in the D’Entrecasteaux Channel (Assessment 1)


Lucieer, V and Pender, A, An environmental assessment of a proposed amendment to the marine farming zone at Zuidpool Rock in the D'Entrecasteaux Channel (Assessment 1), Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS (2014) [Contract Report]

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An environmental assessment of a proposed marine farming zone extension at Zuidpool Rock, in the D’Entrecasteaux Channel, was conducted in February 2014. This assessment is comprised of two parts, encompassing Zuidpool Rock northern and southern sites and have been distinguished as Assessments 1 and 2, with the results being presented in two separate reports. This report addresses Assessment 1. The site covered 2.76 km2 (276 ha) and was orientated in a north westerly direction. The benthic habitats within the zone assessment area comprised of silt (60.7%) and silty sand (39.3%).

Environmental data on substrate type, habitat distribution, bathymetry, and benthic flora and fauna were assessed. Within the proposed zone the substrate was characterized by silt and silty sand. The bathymetry ranged from 23 m to 54 m and was characterized by a deep channel to 54 m in the south west of the site which was flanked by two shallower banks, indicative of a drowned river valley.

The silty sand substrate was brown to grey brown in colour with shell grit, evidence of active bioturbation; live and dead New Zealand screwshells (Maoriculpus roseus), brittle stars, squat lobsters (Munida haswelli) and polychaete worms were common across the whole site.

Item Details

Item Type:Contract Report
Keywords:aquaculture development
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and estuarine ecology (incl. marine ichthyology)
Objective Division:Environmental Management
Objective Group:Terrestrial systems and management
Objective Field:Assessment and management of terrestrial ecosystems
UTAS Author:Lucieer, V (Dr Vanessa Lucieer)
UTAS Author:Pender, A (Mr Andrew Pender)
ID Code:99111
Year Published:2014
Deposited By:IMAS Research and Education Centre
Deposited On:2015-03-13
Last Modified:2015-03-13

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