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15 record(s)

 

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    This dataset was created to document the scoring of a camera tow from SS2007/02 SE MPA's survey Specifically, the camera tow on Hill Patience, to derive data from the tow relating to the number of basket work eels observed. To collect this data, video footage from SS2007/02 SE MPA's camera tow on Patience Hill was observed on a monitor screen with lines marked on it - the video was stopped every five seconds, and marine fauna within the marked lines were counted, with the marked lines used in order to prevent double counting of the animals. This data was recorded in an excel spreadsheet, with a list of the different species recorded and the timecodes that they were recorded at. This data was then used in conjuction with other data from station 54 relating to the depth and structure of the seafloor, in order to determine any relation between marine life numbers and the surrounding habitat.

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    Primary productivity point data from Australian waters that has been mapped using MapInfo. Data collected from oceanographic surveys conducted between 1959 and 1964 onboard the vessels "Gascoyne" and "Diamantina". Primary Production integrated to 100m grams Carbon per square metre per day. These Mapinfo layers have been produced by CSIRO for the National Oceans Office, as part of an ongoing commitment to natural resource planning and management through the 'National Marine Bioregionalisation' project. Variations in onscreen colour representation or printed reproduction may affect perception of the contained data.

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    In 1991, CSIRO was approached to design and manage an environmental study of the Bay to seek answers to questions concerning the sustainable use and management of the Bay. The Study began in October 1992 and finished in June 1996. The Port Phillip Bay Environmental Study was managed by CSIRO and supervised by a Management Committee chaired by the (then) Department of Conservation and Natural Resources. Also represented on the committee were the EPA, Melbourne Water, Melbourne Parks and Waterways and the former Port of Melbourne Authority. The Study was totally funded by Melbourne Water and Melbourne Parks and Waterways. In all, some 47 research tasks were conducted, ranging from scientific literature reviews to fullscale field surveys. All were contracted out. Of the 30 contractors, six were Victorian State agencies, three Commonwealth agencies, nine universities and 12 consultants. Nineteen contractors were Victorian based, seven from interstate and four from overseas. The research programs covered the fields of physical oceanography, toxicants, algal nutrients, marine ecology and ecological modelling. A final report was delivered "PORT PHILLIP BAY ENVIRONMENTAL STUDY FINAL REPORT" :Harris, G., G. Batley, D. Fox, D. Hall, P. Jernakoff, R. Molloy, A. Murray, B. Newell, J. Parslow, G. Skyring and S. Walker. (1996). Port Phillip Bay Environmental Study Final Report. CSIRO, Canberra, Australia. Published on CD ROM by CSIRO Publishing, Melbourne, 1999.) 47 technical reports were also produced. In additition in April 2007 a data set collection was supplied to CMAR Data Centre by Dr John Parslow (CMAR) on CD ROM, and relates to the Port Phillip Bay Environmental Study conducted between 1992 and 1996. These datasets include: Bathymetric data, Coastline data, Data from current meters and coastal radar, Flow data for rivers, creeks and drains, Various meteorological data sets, Water salinity and temperature data, Data sets from various tide gauges and Sediment related data sets. The CD ROM also includes electronic copies of the Overview Report 39pp, Final report 248pp and the 47 Technical reports. 26, May 2015, Received Port Phillip Bay Environmental StudyData, GIS and Reports CD-ROM created by CSIRO Environmental Projects Office - robert.molloy@csiro.au (2003) from Lawrance Ferns Department of Environment, Land, Water & Planning (lawrance.ferns@delwp.vic.gov.au). Added to PortPhillipBayDATA_additonal netwrok archive and media items.

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    In May-June 2007, an "autumn bloom cruise" was conducted on the National Marine Facility, Southern Surveyor, led by Peter Thompson. The voyage was conducted in three legs, with a the first conducted from May 10th to May 15th focused on benthic habitats. Benthic based operations were performed over two transects near Perth at 31.71ºS and 31.76ºS from 115.63ºE to 115.15ºE with stations at depths of 30, 40, 50, 75, 100 and 150m. Acoustic swath mapping of the sea-bed was conducted during the entire voyage; at each of the 12 study sites, benthic sled dredges, sediment grabs, benthic video and CTD casts were completed.

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    Australia has gazetted an ambitious national network of Commonwealth Marine Reserves that includes the iconic Huon and Tasman Fracture reserves off Tasmania where seamounts (‘undersea mountains’) support unique deep-water coral reefs. These reefs rank among the most bio-diverse globally. Protection of deep-water coral reefs is a high-priority conservation concern nationally and internationally because deep-water corals are very fragile, easily impacted by human activities including bottom trawling, and are believed to recover very slowly. These corals may also be highly vulnerable to climate change because projected changes in water chemistry could limit the ability of corals to build calcareous skeletons. Despite these concerns, and Australia’s significant investment in marine conservation, several fundamental ecological issues remain to be evaluated. These include defining the spatial extent of deep-sea coral communities inside and outside the Tasmanian reserves, and evaluating the resilience of the communities to bottom trawling. This information is important to understanding the dynamics of deep-sea communities globally, and for developing and implementing conservation management plans. The survey aboard RV Investigator set out to determine the spatial extents of deep-sea coral communities in and adjacent to the Huon and Tasman Fracture reserves, and quantify changes in the communities by comparing samples taken in 2018 to samples taken, using similar methods, in 2007 and 1997. There was supplementary sampling on the heavily trawled St. Helens Seamount which was surveyed in 2008. This metadata record refers to the image data collected during the survey. The imagery collected for this project have been registered to the 2018 incidence of the CSIRO VARS database, where annotations have been added. The annotations collected for this project have also been linked to the Oracle data base BHIMAGE and the associated videos and still images have been archived as described in MarLIN record 14436 'Benthic Habitats Video Image Archive'.

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    This voyage provides an opportunity to test and refine optimal techniques to map and assess seabed habitat developed in a previous CMR project (NOO OP2000-SE02). Importantly, this voyage will use the National Facility's high-resolution EM300 swath mapper for its first program of biological and physical habitat mapping. The sampling locations are a number of submarine canyons and their immediately adjacent flanks on the west coast of Tasmania and east of Bass Strait. These are prime targets for our methods development because each canyon area is characterised by a great variety of seabed topography and benthic communities concentrated in a relatively small area (< 300 sq km). This voyage is also an opportunity to apply the data collected to marine resource management planning in the South East Region. Submarine canyons represent a type of habitat unit (Level 3 biogeomorphic units) having a strong influence on the location of offshore Marine Protected Areas on the continental slope and rise, and many are likely to be biodiversity hotspots. Several canyons are also the locations of the largest known aggregations of feeding and spawning fishes in the South-East Fishery region, and these support a range of intense, increasing and, in places, conflicting fishing activities. Given the immediate and increasing relevance of submarine canyons to conservation and fishery managers, it is then surprising to realize that virtually all those in the SE region remain unsampled by scientists, and are named only by commercial fishers. For these reasons, sampling on this voyage will focus on the Big Horseshoe Canyon mapped previously with the EM1002 and EM12 swath instruments (to enable comparison of data types, and to investigate temporal persistence of features), and several new areas. Mark Lewis has videos recorded on voyage and photographs of deck shots & equipment used during the trip.

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    This is the CSIRO portion of the collaborative Tasmanian Aquaculture and Fisheries Institute, University of Tasmania (TAFI)/CSIRO Marine Research Project titled 'Understanding Shelf-break Habitat for Sustainable Management of Fisheries with Spatial Overlap', which aimed to map and understand shelf-break seabed habitats (~150-350m depths) around Tasmania, Australia, which is an area of interaction between two fishery sectors, giant crab trappers and finfish trawlers. Both of these have been expanding over the past decade, with potential of impact to target species abundance, habitat structure, and ecosystem structure. This project aimed to research the habitat effects of these activities over the period 2003-2005 through sampling of fished and unfished areas using video transects, multi-beam acoustic swath mapping, and collection of physical samples using sediment grabs and benthic sleds, using chartered vessels and a voyage of the National Facility FRV Southern Surveyor in 2004. Specific objectives for the giant crab (Pseudocarcinas gigas) habitat survey are as follows: - define and map giant crab habitat on the shelf edge, at several key locations off the Tasmanian east and west coasts; - detail distribution of giant crabs in relation to habitat features; - evaluate ecosystem links between habitats; - evaluate the vulnerability of habitat to damage by fishing (trawls and pots); and - evaluate the ability to obtain fishery independent information by video on the abundance, sex ratio, condition and size of giant crabs. The CSIRO portion of the work comprised a series of four surveys to assess the seabed habitats of the giant crab at the edge of the continental shelf around Tasmania. The image annotations collected for this project have been added to the Oracle data base BHIMAGE and the associated videos and still images have been archived as described in MarLIN record 14436 'Benthic Habitats Video Image Archive'.

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    This record describes the collections of towed camera imagery -video and stills- (and their derived data) from one Marine National Facility charter voyages conducted under Project 4 - Benthic biota of volcanic seamounts, seeps and canyons of the GAB - of the Great Australian Bight Deepwater Marine Program (GABDMP): IN2015_C01 and IN2017_C01. A key objective for which is to characterise the composition, abundance and distributions of benthic fauna (seabed animals) associated with volcanic seamounts, canyon and seep zone habitats in in ~1000-5000 m depth, within and adjacent to the Chevron lease areas in the GAB. Towed camera transecs were taken at 6 potential seep, 5 volcanic seamount. This metadata record refers to the image data collected during the surveys. The 'on-botom' videos and still images have been archived as described in MarLIN record 'Benthic Habitats Video Image Archive' (UUID: 02c32147-b73c-20fe-e053-08114f8c48ee); image annotations collected for this project are added to the Oracle data base BHIMAGE.

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    This study examined the larval biology and ecology of the southern rock lobster (Jasus edwardsii) based on approximately 3000 archived plankton and mid-water trawl samples held, principally, by CSIRO, Tasmanian Aquaculture and Fisheries Institute, and the Marine and Freshwater Research Institute, Victoria. Additional samples were provided by the National Institute of Water and Atmosphere, New Zealand; some samples were opportunistically collected during the project to fill in areas where there was a lack of archived samples. The combined sample set covered the major geographic range of the fishery in Australia (132E/32S - 155E/46S). Details of larval growth, duration and distribution were combined with concurrently collected hydrographic data and satellite based observations to examine possible larval transport mechanisms, connectivity between management zones and physical factors that may influence the supply of larvae on a regional basis. The dataset is primarily in Excel format with a summary of the results presented in a final report to FRDC (project number 96/107).

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    The primary basis for the project was the analysis of existing plankton and larval fish samples and the collation of data sets on larval distribution that had been derived from sampling across broad areas of southern and eastern Australia over the last 17 years. Some of these samples had been archived in the CSIRO Ian Munro Fish Collection, Australian Museum or South Australian Museum as part of the FRDC funded regional larval fish archive (FRDC94/55). Other samples or data sets were resident within the collections of collaborating institutions. The project focused its analyses on southern and southeast Australia spanning the area from the Great Australian Bight (GAB) to northern NSW. This region was selected for four reasons: First, sampling had been most intensive in this region and available data sets provided excellent spatial and seasonal coverage. Second, our ability to identify larvae to species was well developed in the region. Third, the oceanography of the region had been the subject of intensive study and provided a sound basis for linking biological data to physical processes. Fourth, additional sampling during the period of this project was scheduled that further enhanced sample coverage (specifically sampling by MAFRI in Bass Strait Bass Strait and sampling by CSIRO in the GAB). The Larval Fish Database (LFD) has been created in Microsoft Access. It has been divided into two parts: a data module that houses raw data and an application module that automatically displays summaries of these data in a user-friendly fashion. By dividing the database into two parts, the user only has access to the specified data summaries, the raw data remain secure and the LFD can be updated as further data become available. The LFD incorporates an ActiveX component (MapInfo MapX) that allows the user to visualise spatial data and animations of modelled larval dispersal that are displayed using Microsoft's Media Player. The LFD has been designed to allow expa