The dataset provides the spatially continuous data of the seabed gravel content (sediment fraction >2000 µm) expressed as a weight percentage ranging from 0 to 100%, presented in 0.01 decimal degree resolution raster format. The dataset covers the Australian continental EEZ, including seabed surrounding Tasmania. It does not include areas surrounding Macquarie Island, and the Australian Territories of Norfolk Island, Christmas Island, and Cocos (Keeling) Islands or Australia's marine jurisdiction off of the Territory of Heard and McDonald Islands and the Australian Antarctic Territory. This dataset supersedes previous predictions of sediment gravel content for the Australian Margin with demonstrated improvements in accuracy. Accuracy of predictions varies based on density of underlying data and level of seabed complexity. Artefacts occur in this dataset as a result of insufficient samples in relevant regions. This dataset is intended for use at national and regional scales. The dataset may not be appropriate for use at local scales in areas where sample density is insufficient to detect local variation in sediment properties. To obtain the most accurate interpretation of sediment distribution in these areas, it is recommended that additional samples be collected and interpolations updated.

This dataset provides the spatially continuous data of the seabed sand content (sediment fraction 63-2000 mm) expressed as a weight percentage ranging from 0 to 100%, presented in 0.01 decimal degree resolution raster format. The dataset covers the Australian continental EEZ, including seabed surrounding Tasmania. It does not include areas surrounding Macquarie Island, and the Australian Territories of Norfolk Island, Christmas Island, and Cocos (Keeling) Islands or Australia's marine jurisdiction off of the Territory of Heard and McDonald Islands and the Australian Antarctic Territory. This dataset supersedes previous predictions of sediment sand content for the Australian Margin with demonstrated improvements in accuracy. Accuracy of predictions varies based on density of underlying data and level of seabed complexity. Artefacts occur in this dataset as a result of insufficient samples in relevant regions. This dataset is intended for use at national and regional scales. The dataset may not be appropriate for use at local scales in areas where sample density is insufficient to detect local variation in sediment properties. To obtain the most accurate interpretation of sediment distribution in these areas, it is recommended that additional samples be collected and interpolations updated.

A new research vessel will replace the Southern Surveyor as Australia's marine national facility in 2013. CSIRO is leading the commissioning of the new vessel. An increased level of Federal Government funding means that a very high quality vessel, with excellent equipment and adequate support staff, will be at sea for about 300 days per year from 2013. The new vessel will be about 85 m long, ice strengthened, with a large open rear deck, have a range of 12,000 nautical miles, an endurance of 60 days, and be able to carry a scientific contingent of up to 50, which is a significant improvement over the current situation. It will be a very thoroughly equipped vessel (see www. marine.csiro.au/nationalfacillity/management/RCAP_PII_Report_Exposure_Draft.pdf). As far as marine geoscience requirements are concerned, the vessel will be fitted with full-ocean depth (5-8,000 m) multibeam sonars and a sub-bottom profiler so that for the first time it can map our entire marine jurisdiction. Other essential geoscience equipment includes: deep-sea winches and heavy wire for dredging, long (up to 30 m) piston-corer, deep-water grabs with camera, and 2D capable seismic system. Detailed specifications, including equipment type and capabilities, were drawn up in 2009 and formed the basis of the Statement of Requirements based on consultation with the marine geoscience community (see http://www.iodp.org.au/index.php?p=news). There is no doubt that the new vessel will be a huge step forward for Australian marine science. There will be a focus on multi-disciplinary voyages and an active program for student participation. This vessel is a once-in-a-generation opportunity to develop the capability required for Australia to better understand and manage our huge marine jurisdiction. This will underpin and enhance Australia's international reputation as a leading marine science nation.

This map was produced as part of a 2006 series depicting Australian commonwealth fisheries and shows the area of the Trochus Fishery within the Torres Strait Fishery. The series of pdf's are available for public download from AFMA's website and the shapefiles for public download from GA's website.

This map was produced as part of a 2006 series depicting Australian commonwealth fisheries and shows the area of the Dugong Fishery within the Torres Strait Fishery. The series of pdf's are available for public download from AFMA's website and the shapefiles for public download from GA's website.

This map was produced as part of a 2006 series depicting Australian commonwealth fisheries and shows the area of the Beche-de-mer Fishery within the Torres Strait Fishery. The series of pdf's are available for public download from AFMA's website and the shapefiles for public download from GA's website.

This map was produced for the Australian Customs Service and shows the extent of Australia's maritime jurisdiction. March 2007 Not for sale or general release.

This map was produced for Australian Customs and shows the organisation's enforcement limit in the Timor Sea region.

Map produced for the Department of Foreign Affairs and Trade showing the maritime boundaries in the Timor Sea and the proposed 2D Seismic survey lines without the Bathymetry grid. For internal use for DFAT and is not for sale

This map shows the area of the Great Australian Bight Trawl Gulper Shark Closure - Southern Dogfish. It was produced for the Australian Fisheries Management Authority.