Data

SS200803 - Fishery Spatial Closures Project - Pilot survey in the 60-mile closure for southern dogfish (GAB): Biological catch data

Australian Ocean Data Network
Althaus, Franzis (Originator of) CSIRO (Associated with) CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with) CSIRO/Oceans and Atmosphere (Associated with)
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Benthic biota samples were taken in the Great Australian Bight (GAB) and near St Helen's Hill seamount during the pilot survey for estimating the effectiveness of spatial closures for deepwater gulper sharks and associated fishery species. There are large gaps in ecological knowledge of gulper sharks which limit the effective design of area closures (e.g. optimising sizes and numbers) and assessment of their performance. The survey aimed to fill these gaps do this by characterising the habitats and ecosystem processes in 200-700 m depths that sustain key species, and commencing a process to determine the relevant aspects of species ecology. Primarily this will be (1) to measure the movement of fish within and to/ from a large closed area in the GAB with a tagging program, and (2) estimate the abundance of selected species in relation to habitat features (substructure within submarine canyons, escarpments and rocky banks, and adjacent water column features) with two independent, non-extractive photographic methods. This metadata record describes the benthic biota samples taken at during this survey.
Epibenthic biota were collected using epibenthic sled (5 ops) and macro-infauna were extracted by elutriation of sediment collections taken using the Smith-MacIntyre grab (13 ops). The invertebrate specimens were distributed to Museum collections for registration and curation. Data on specimen identifications by taxonomic experts are tracked, collated and archived at the CSIRO.

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Data source: field surveys Taxonomic upgrading: identification of target taxa to species-level by experts at various Australian museums, followed by integrating these identifications into the original catch data using accession numbers to track individual specimens. Assigning final CAAB codes to species-level identifications and updating file-names of photographed specimens to reflect the upgrading. The data includes all upgrades entered and quality assured until October 2016; future upgrades beyond Oct 2016 will be tracked and added to the data based on data-base identifiers and museum registration numbers. Note taxonomy work for these data was not commissioned and and was undertaken as part of other work, and thus did not systematically targeting certain groups.

Notes

Credit
Alan Williams (CSIRO)
Credit
Karen Gowlett-Holmes (CSIRO)
Credit
Franziska Althaus (CSIRO)
Credit
Funding by: CSIRO Oceans and Atmosphere: MRI

Data time period: 2008-02-29 to 2008-03-16

This dataset is part of a larger collection

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148.8,-35 148.8,-41.25 133.8,-41.25 133.8,-35 148.8,-35

141.3,-38.125

text: westlimit=133.8; southlimit=-41.25; eastlimit=148.8; northlimit=-35; projection=WGS 84 (EPSG:4326)

text: uplimit=-141; downlimit=-1320

Subjects
Cameras - Still - Surface | Earth Science | Biological Classification | Animals/Invertebrates | Earth Science | Biological Classification | Animals/Invertebrates | Arthropods | Crustaceans | Earth Science | Biological Classification | Animals/Invertebrates | Cnidarians | Anthozoans/Octocorals | Earth Science | Biological Classification | Animals/Invertebrates | Echinoderms | Earth Science | Biological Classification | Animals/Invertebrates | Mollusks | Earth Science | Biological Classification | Animals/Invertebrates | Sponges | Earth Science | Biosphere | Aquatic Ecosystems | Benthic Habitat | Earth Science | Biosphere | Aquatic Ecosystems | Marine Habitat | Earth Science | Biosphere | Aquatic Ecosystems | Wetlands | Marine | Earth Science | Biosphere | Ecological Dynamics | Community Dynamics | Community Structure | Earth Science | Human Dimensions | Environmental Impacts | Conservation | Global / Oceans | Southern Ocean | Grabs | Marine Features (Australia) | Great Australian Bight, SA/WA | Regional Seas | Tasman Sea | Research Voyage: SS 03/2008 | Ship: Southern Surveyor | Sledges/Sleds | Spatial Closures (mapping distribution and movement of gulper sharks) | Underwater Surveys (acquisition and/or analysis) | Vessel Data: Catch (by voyage) | biota | environment |

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Other Information
MNF Voyage Report of the survey SS200803 (SS200803-Voyage Report)

url : https://www.marine.csiro.au/data/reporting/get_file.cfm?eov_pub_id=989

(Ship-based operations database (csv extracts))

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=5153

Identifiers
  • global : 6f6e4deb-f2c5-42aa-8d7e-63cc17dc8e22