Curated underwater video highlights of marine protected areas (IMAS, UWA & collaborators)
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This data is a national compilation of video clips predominantly derived from underwater video sampling techniques (e.g. BRUV, Stereo-BOSS) for quantitative sampling of abundance, body size, and diversity of demersal fishes. The curated collection also includes regional 'compilation' videos highlighting a particular marine protected area or region of interest. Current contributors to this data compilation are IMAS, UWA, Geoscience Australia and the NESP Marine Biodiversity & Marine and Coastal Hubs, with the intention that this collection will grow to encompass collections from other research organisations around Australia. As of August 2024, this dataset includes video in and around Abrolhos, Arafura, Apollo, Beagle, Bremer, Christmas Island, Cod Grounds, Coral Sea, Dampier, Eastern Recherche, Flinders, Franklin, Freycinet, Gascoyne, Geographe, Huon, Lord Howe, Montebello, Murat, Murray, Ningaloo, Oceanic Shoals, Perth Canyon, South Tasman Rise, South-west Corner, Tasman Fracture, Two Rocks, and Zeehan Australian Marine Parks (AMPs), and of Bathurst Channel in the Port Davey Marine Reserve. The dataset allows examination of changes in fish communities over time as part of ongoing monitoring of these regions. This record represents a 'parent' record of multiple collections. See individual 'child' records for more information on specific regional collections.
Surveys of fish-habitat associations in the region offshore from James Price Point, Western Australia, using Baited Remote Underwater Video Stations (BRUVS (TM))
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Baited Remote Underwater Video Stations (BRUVS (TM)) were deployed in coastal waters between Quondong Point and Coulomb Point, to sample demersal and semi-demersal fishes, sharks, rays and sea snakes. Of the 197 BRUVS (TM) deployed, 154 produced imagery of sufficient quality to classify the benthic substratum, epibenthic cover and to identify and count vertebrates.BRUVS (TM) were deployed below the 5 metre depth contour (lowest astronomical tide) and placed at random within a grid of the entire study area (30x14 km), at spacings not less than 450m apart, to avoid double counting of more mobile fish. Surveys were completed around the neap tides in mid October 2009. Habitats dominated by stony corals were not sampled because they occurred intertidally, or in waters too shallow for access by the survey vessel. Baited Remote Underwater Video Stations (BRUVS (TM)) were deployed to provide baseline estimates of the diversity and relative abundance of demersal and semi-demersal fishes, sharks, rays and sea snakes in the James Price Point coastal area in direct relation to habitat and depth.
Oceanic Shoals Commonwealth Marine Reserve - Pelagic baited camera surveys (stereo-BRUVS)
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This dataset derives from deployments of pelagic baited camera systems (stereo-BRUVS) conducted within the Oceanic Shoals Commonwealth Marine Reserve (CMR) in the Timor Sea during September and October 2012 onboard the RV Solander. This resource comprises species lists and relative abundance data (measured as MaxN, the maximum number of individuals of a given species captured in any one frame) for 116 sampling sites surveyed across three focal areas. The Oceanic Shoals Commonwealth Marine Reserve survey was undertaken as an activity within the Australian Government's National Environmental Research Program Marine Biodiversity Hub and was the key component of Research Theme 4 - Regional Biodiversity Discovery to Support Marine Bioregional Plans. Hub partners involved in the survey included the Australian Institute of Marine Science, Geoscience Australia, the University of Western Australia, Museum Victoria and the Museum and Art Gallery of the Northern Territory. Data acquired during the survey included: multibeam sonar bathymetry and acoustic backscatter; sub-bottom acoustic profiles; physical samples of seabed sediments, infauna and epibenthic biota; towed underwater video and still camera observations of seabed habitats; baited video observations of demersal and pelagic fish, and; oceanographic measurements of the water column from CTD (conductivity, temperature, depth) casts and from deployment of sea surface drifters. Further information on the survey is available in the post-survey report published as Geoscience Australia Record 2013/38: Nichol, S.L., Howard, F.J.F., Kool, J., Stowar, M., Bouchet, P., Radke, L.,Siwabessy, J., Przeslawski, R., Picard, K., Alvarez de Glasby, B., Colquhoun, J., Letessier, T. & Heyward, A. 2013. Oceanic Shoals Commonwealth Marine Reserve (Timor Sea) Biodiversity Survey: GA0339/SOL5650 - Post Survey Report. Record 2013/38. Geoscience Australia: Canberra. (GEOCAT #76658).
Surveys of fish-habitat associations using Baited Remote Underwater Video Stations (BRUVS (TM)) offshore from Port Hedland, Western Australia
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In July 2012, baited remote underwater video stations (BRUVS (TM)) were deployed in the vicinity of Port Hedland, in two areas parallel to the coast (inshore and offshore) on either side of the shipping channel and some dredge spoil grounds, in depths of 4.6 to 24 metres.The survey design specified the deployment of 230 BRUVS (TM) at random within grids of the two study areas, at a spacing not less than 450 metres apart, to minimise the likelihood of individuals moving between stations and being double-counted. Of the 230 BRUVS (TM) deployed during the field campaign, 221 produced imagery of sufficient quality for analysis.Commencing immediately after reaching the seafloor, 60 minutes of bottom-time was analysed for all video recordings, regardless of whether video extended longer. Data was recorded using a purpose built interface and included identification to species level and life stage (adult or juvenile) of all vertebrates, relative abundance (MaxN ; maximum number visible at any single point on the tape), time of arrival and the time elapsed before MaxN and feeding occurs. Depth and GPS position of each deployment, estimates of water clarity and the timing of ancillary events such as feeding activity and loss of bait bag were also recorded.The habitat at each station was classified by reviewing an image of the seafloor from each of the BRUVS (TM) sampling stations. To provide quantitative estimates of habitats, the percentage cover (to the nearest 10%) was then determined for six categories of (abiotic) substratum, summed to 100%, and for 12 categories of (biotic) epibenthos, also summed to 100%. This study was undertaken to provide baseline estimates of fish diversity and relative abundance in direct relation to habitat and depth within inshore and offshore areas in the vicinity of Port Hedland, where a large expansion of port facilities will be accompanied by dredging and relocation of dredge spoil on adjacent seabeds in the local region.