Data

Tasmanian Seamounts Study 1997: Benthic Faunal Survey Data

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with) Williams, Alan (Point of contact)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/b8055605-4fce-43a7-bcf8-400893b09209&rft.title=Tasmanian Seamounts Study 1997: Benthic Faunal Survey Data&rft.identifier=Anzlic Identifier: ANZCW0306005256&rft.publisher=Australian Ocean Data Network&rft.description=This record describes the benthic assemblage survey data collected as part of the Tasmanian Seamounts Study undertaken by CSIRO Division of Fisheries in January 1997. 34 benthic dredge tows were made on the top, slope and base of 14 seamounts in the survey area, approx. 100 km to the south of Tasmania, using a specially constructed dredge, in water depths ranging from 600m to approx. 2000m. Numerous (>200) invertebrate taxa were recovered representing hydroids, octocorals, polychaetes, bryozoa, bivalve molluscs, cephalopods, barnacles, isopods, decapod crustaceans, crinoids, asteroids, echiuroids, holothurians, hydrozoans, brachiopods, chitons, gastropods, sponges, and other minor groups. The data have been analysed with respect to depth, fishing history (lightly or heavily fished areas), and position on the seamount, and two main community types documented, one dominated by living colonial coral (Solenosmilia variabilis) and one by echinoids (sea urchins). Many of the species found are new records for Australia and a number are new to science. The specimens of select taxa from this survey were re-examined to enable comparison of this survey to two surveys conducted in in the same area in 2006/7 (SS11/2006 & SS02/2007). Identification were upgraded and specimens compared to the new collections by museum experts and integrated into the data. To date (Sept. 2014) we are aware of 20 taxonomic revisions or descriptions that have been published using material from this collection.Progress Code: completedMaintenance and Update Frequency: asNeededStatement: Data source: original field data Original taxonomic ID's: a list of contributing taxonomic specialists is presented in the final report (see References) 2008 re-examining of specimens and identification upgrading of target taxa by Museum experts to align identification with collections from SS02/2007. Upgrading of names on photographed specimens Integration of upgraded names into catch-composition where possible. The data includes all upgrades entered until Dec 2013 has been transferred to the CSIRO Data Centre and loaded into the data trawler.&rft.creator=Anonymous&rft.date=1999&rft.coverage=westlimit=147; southlimit=-44.5; eastlimit=147.5; northlimit=-44; projection=AGD84&rft.coverage=westlimit=147; southlimit=-44.5; eastlimit=147.5; northlimit=-44; projection=AGD84&rft.coverage=uplimit=-750; downlimit=-2400&rft.coverage=uplimit=-750; downlimit=-2400&rft_rights=Release with the permission of the custodian&rft_subject=oceans&rft_subject=Earth Science | Agriculture | Agricultural Aquatic Sciences | Fisheries&rft_subject=Earth Science | Biological Classification | Animals/Invertebrates&rft_subject=Earth Science | Biological Classification | Animals/Invertebrates | Arthropods | Crustaceans&rft_subject=Earth Science | Biological Classification | Animals/Invertebrates | Cnidarians | Anthozoans/Hexacorals&rft_subject=Earth Science | Biological Classification | Animals/Invertebrates | Echinoderms&rft_subject=Earth Science | Biological Classification | Animals/Invertebrates | Mollusks&rft_subject=Earth Science | Biological Classification | Animals/Invertebrates | Sponges&rft_subject=Earth Science | Biological Classification | Animals/Vertebrates | Fish&rft_subject=Earth Science | Biosphere | Aquatic Ecosystems | Benthic Habitat&rft_subject=Earth Science | Biosphere | Aquatic Ecosystems | Demersal Habitat&rft_subject=Earth Science | Biosphere | Aquatic Ecosystems | Marine Habitat&rft_subject=Earth Science | Human Dimensions | Environmental Impacts | Conservation&rft_subject=Earth Science | Oceans | Bathymetry/Seafloor Topography | Continental Margins&rft_subject=Earth Science | Oceans | Bathymetry/Seafloor Topography | Seafloor Topography&rft_subject=Earth Science | Oceans | Bathymetry/Seafloor Topography | Seamounts&rft_subject=Earth Science | Oceans | Bathymetry/Seafloor Topography | Water Depth&rft_subject=Cameras - Still - Surface&rft_subject=Sledges/Sleds&rft_subject=Trawls&rft_subject=Coastal Waters (Australia) | Tasmania Coast, TAS&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Regional Seas | Tasman Sea&rft_subject=Research Voyage: SS 01/97&rft_subject=The seamount fauna off southern Tasmania: impacts of trawling, conservation and role within the fishery ecosystem (FRDC project no. 95/058) 1996-1998&rft_subject=Benthic habitat image surveys and analysis&rft_subject=Vessel Data: Catch (by project)&rft_subject=Ship: Southern Surveyor&rft.type=dataset&rft.language=English Access the data
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This record describes the benthic assemblage survey data collected as part of the Tasmanian Seamounts Study undertaken by CSIRO Division of Fisheries in January 1997. 34 benthic dredge tows were made on the top, slope and base of 14 seamounts in the survey area, approx. 100 km to the south of Tasmania, using a specially constructed dredge, in water depths ranging from 600m to approx. 2000m. Numerous (>200) invertebrate taxa were recovered representing hydroids, octocorals, polychaetes, bryozoa, bivalve molluscs, cephalopods, barnacles, isopods, decapod crustaceans, crinoids, asteroids, echiuroids, holothurians, hydrozoans, brachiopods, chitons, gastropods, sponges, and other minor groups. The data have been analysed with respect to depth, fishing history (lightly or heavily fished areas), and position on the seamount, and two main community types documented, one dominated by living colonial coral (Solenosmilia variabilis) and one by echinoids (sea urchins). Many of the species found are new records for Australia and a number are new to science. The specimens of select taxa from this survey were re-examined to enable comparison of this survey to two surveys conducted in in the same area in 2006/7 (SS11/2006 & SS02/2007). Identification were upgraded and specimens compared to the new collections by museum experts and integrated into the data. To date (Sept. 2014) we are aware of 20 taxonomic revisions or descriptions that have been published using material from this collection.

Lineage

Progress Code: completed
Maintenance and Update Frequency: asNeeded
Statement: Data source: original field data Original taxonomic ID's: a list of contributing taxonomic specialists is presented in the final report (see References) 2008 re-examining of specimens and identification upgrading of target taxa by Museum experts to align identification with collections from SS02/2007. Upgrading of names on photographed specimens Integration of upgraded names into catch-composition where possible. The data includes all upgrades entered until Dec 2013 has been transferred to the CSIRO Data Centre and loaded into the data trawler.

Notes

Credit
FRDC - funding (grant 95/058)
Credit
Environment Australia - funding (OR2000 Marine Protected Areas Program)
Credit
CSIRO Wealth from Oceans, DEWHA & Census of marine Life seamounts Program - CenSeam (updating of identification 2008/09)
Credit
Collaboration with museums and taxonomic specialists
Credit
Tony Koslow
Credit
Sebastian Rainer
Credit
Mark Lewis
Credit
Karen Gowlett-Holmes
Credit
Alan Williams
Credit
Felicity McEnnulty

Data time period: 1997-01-20 to 1997-01-31

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147.5,-44 147.5,-44.5 147,-44.5 147,-44 147.5,-44

147.25,-44.25

text: westlimit=147; southlimit=-44.5; eastlimit=147.5; northlimit=-44; projection=AGD84

text: uplimit=-750; downlimit=-2400

Subjects
Benthic habitat image surveys and analysis | Cameras - Still - Surface | Coastal Waters (Australia) | Tasmania Coast, TAS | Earth Science | Agriculture | Agricultural Aquatic Sciences | Fisheries | Earth Science | Biological Classification | Animals/Invertebrates | Earth Science | Biological Classification | Animals/Invertebrates | Arthropods | Crustaceans | Earth Science | Biological Classification | Animals/Invertebrates | Cnidarians | Anthozoans/Hexacorals | Earth Science | Biological Classification | Animals/Invertebrates | Echinoderms | Earth Science | Biological Classification | Animals/Invertebrates | Mollusks | Earth Science | Biological Classification | Animals/Invertebrates | Sponges | Earth Science | Biological Classification | Animals/Vertebrates | Fish | Earth Science | Biosphere | Aquatic Ecosystems | Benthic Habitat | Earth Science | Biosphere | Aquatic Ecosystems | Demersal Habitat | Earth Science | Biosphere | Aquatic Ecosystems | Marine Habitat | Earth Science | Human Dimensions | Environmental Impacts | Conservation | Earth Science | Oceans | Bathymetry/Seafloor Topography | Continental Margins | Earth Science | Oceans | Bathymetry/Seafloor Topography | Seafloor Topography | Earth Science | Oceans | Bathymetry/Seafloor Topography | Seamounts | Earth Science | Oceans | Bathymetry/Seafloor Topography | Water Depth | Global / Oceans | Southern Ocean | Regional Seas | Tasman Sea | Research Voyage: SS 01/97 | Ship: Southern Surveyor | Sledges/Sleds | The seamount fauna off southern Tasmania: impacts of trawling, conservation and role within the fishery ecosystem (FRDC project no. 95/058) 1996-1998 | Trawls | Vessel Data: Catch (by project) | oceans |

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Other Information
Trawler access to 1997/01 survey (Data Link)

url : https://www.marine.csiro.au/data/trawler/survey_details.cfm?survey=SS199701

Trawler data access to catch-data. (Data Link)

url : https://www.marine.csiro.au/data/trawler/dataset.cfm?survey=SS199701&data_type=catch

Identifiers
  • Local : Anzlic Identifier: ANZCW0306005256
  • Local : Marlin Record Number: 5256
  • global : b8055605-4fce-43a7-bcf8-400893b09209