Data

Marine mammal interactions with trawl gear

University of Tasmania, Australia
Lyle, Jeremy, Dr
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/8aed35d0-44a0-11dc-8cd0-00188b4c0af8&rft.title=Marine mammal interactions with trawl gear&rft.identifier=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/8aed35d0-44a0-11dc-8cd0-00188b4c0af8&rft.description=Underwater video technology was used to observe marine mammal interactions (seals, in particular Australian fur seals) within midwater trawl nets.A camera system was placed inside the trawl net in the vicinity of a Seal Excluder Device, designed to prevent megafauna from entering the codend of the net and provide an escape point.Digital video data was described according to a range of operational, catch and interaction fields, and made time-specific to each trawl shot. Data is linked to commercial catch and effort data providing operational, environmental and catch information.Maintenance and Update Frequency: asNeeded&rft.creator=Lyle, Jeremy, Dr &rft.date=2007&rft.coverage=westlimit=145.0; southlimit=-44.0; eastlimit=149.0; northlimit=-39.0&rft.coverage=westlimit=145.0; southlimit=-44.0; eastlimit=149.0; northlimit=-39.0&rft.coverage=uplimit=200; downlimit=60&rft.coverage=uplimit=200; downlimit=60&rft_rights=See Point of Contact for access to data&rft_rights=The data described in this record is the intellectual property of the University of Tasmania through the Tasmanian Aquaculture and Fisheries Institute.&rft_subject=biota&rft_subject=FISHERIES&rft_subject=EARTH SCIENCE&rft_subject=AGRICULTURE&rft_subject=AGRICULTURAL AQUATIC SCIENCES&rft_subject=Oceans | Marine Biology | Marine Mammals&rft_subject=41 131003&rft_subject=Arctocephalus pusillus doriferus&rft_subject=Aquatic Ecosystem Studies and Stock Assessment&rft_subject=AGRICULTURAL AND VETERINARY SCIENCES&rft_subject=FISHERIES SCIENCES&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Fisheries Sciences not elsewhere classified&rft.type=dataset&rft.language=English Access the data
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The data described in this record is the intellectual property of the University of Tasmania through the Tasmanian Aquaculture and Fisheries Institute.

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Full description

Underwater video technology was used to observe marine mammal interactions (seals, in particular Australian fur seals) within midwater trawl nets.

A camera system was placed inside the trawl net in the vicinity of a Seal Excluder Device, designed to prevent megafauna from entering the codend of the net and provide an escape point.

Digital video data was described according to a range of operational, catch and interaction fields, and made time-specific to each trawl shot. Data is linked to commercial catch and effort data providing operational, environmental and catch information.

Lineage

Maintenance and Update Frequency: asNeeded

Notes

Purpose
Assess the level of marine mammal interactions with mid-water trawl gear, the consequences of the interactions (specifically mortality rates) and potential mitigating factors

Created: 03 07 2007

Data time period: 2006 to 07 2007

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149,-39 149,-44 145,-44 145,-39 149,-39

147,-41.5

text: westlimit=145.0; southlimit=-44.0; eastlimit=149.0; northlimit=-39.0

text: uplimit=200; downlimit=60

Subjects
41 131003 | Agricultural and Veterinary Sciences | AGRICULTURAL AQUATIC SCIENCES | AGRICULTURE | Aquatic Ecosystem Studies and Stock Assessment | Arctocephalus pusillus doriferus | Biological Sciences | EARTH SCIENCE | Ecology | Fisheries | Fisheries Sciences | Fisheries Sciences Not Elsewhere Classified | Marine and Estuarine Ecology (Incl. Marine Ichthyology) | Oceans | Marine Biology | Marine Mammals | biota |

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Identifiers
  • global : 8aed35d0-44a0-11dc-8cd0-00188b4c0af8
ACN 633 798 857