Data

SeaMap Tasmania towed video transects 2000-2009

University of Tasmania, Australia
Lucieer, Vanessa ; Sanderson, John Craig ; Macmillan-Lawler, Miles ; Jordan, Alan ; Barrett, Neville
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/24d48803-5dae-4425-b776-612c4ac2080a&rft.title=SeaMap Tasmania towed video transects 2000-2009&rft.identifier=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/24d48803-5dae-4425-b776-612c4ac2080a&rft.description=The SeaMap Tasmania project undertook mapping of seafloor habitats across the nearshore Tasmanian coastline (0-40 m) - the first state to compile a statewide asssimilated benthic habitat dataset.This initiative comprised of collating aerial photography (from archives), acoustic mapping, and conducting underwater video surveys and field-based visual observations. From this, 1:25,0000 scale habitat maps were created for shallow coastal water to within 1.5 km of the coastline (or 40 m depth, which ever was arrived at first).This record provided access to the raw video and associated annotations from video transects, which were subsequently used as validation (ground-truthing) for habitat mapping.A submersible digital video camera was deployed at selected locations around the Tasmanian coastline. These samples were used to verify the aerial photography and echo sounder substrate classification and obtain more detailed information on biological assemblages. Transects were undertaken from the LWM (Low water mark) to 80 metres in depth or 1.5 kms from shore. Positional information was recorded for each video drop as a series of DGPS coordinates and also as a direct overlay of the DGPS output (position, date and time) onto the video.Maintenance and Update Frequency: notPlannedStatement: Select videos were analysed for dominant flora and fauna for each habitat type, with the total percentage covers of all algal and seagrass species recorded over five second blocks of video. Dominant species were identified to the lowest taxonomic level possible. Percentage cover was recorded in accordance with a 0-4 number scoring system where 0 = no algae, 1 = 0 – 25% cover, 2 = 25 – 50 % cover, 3 = 50 –75 % cover, 4 = 75 – 100 % cover. The dominant algal communities for each habitat type were examined for each of the reporting sections in 5 m depth bins based on this video data. A minimum of 30 replicates from each combination of habitat type, depth bin and reporting section were completed for the analysis. Where meeting this criteria was not possible, the algal data were not analysed for that class.&rft.creator=Lucieer, Vanessa &rft.creator=Sanderson, John Craig &rft.creator=Macmillan-Lawler, Miles &rft.creator=Jordan, Alan &rft.creator=Barrett, Neville &rft.date=2020&rft.coverage=-40.75477618191842,144.8831823157092 -40.73298307841512,144.88620891620693 -40.726636991822474,144.94121548597786 -40.702794641769884,144.97586989686138 -40.69921466404912,145.04154762313328 -40.71314488136657,145.0898135529688 -40.735395316274186,145.05946578913125 -40.765693035505635,145.09575623836002 -40.78372888762903,145.2080081684536 -40.75973848106912,145.2456360771847 -40.7332443687427,145.22851182172303 -40.707330442891596,145.23220969429005 -40.694614236443655,145.26696272358575 -40.73338770166534,145.32455123426197 -40.769597671573926,145.33107182619344 -40.78765879205699,145.30531712163776 -40.83190389977743,145.34674051222936 -40.83171481291092,145.39725517294906 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SeaMap Tasmania towed video transects. Tasmanian Aquaculture and Fisheries Institute. Data accessed at http://metadata.imas.utas.edu.au/geonetwork/srv/eng/metadata.show?uuid=24d48803-5dae-4425-b776-612c4ac2080a on (access date).&rft_rights=The data described in this record are the intellectual property of the the Tasmanian Aquaculture and Fisheries Institute (TAFI).&rft_subject=environment&rft_subject=biota&rft_subject=oceans&rft_subject=BENTHIC HABITAT&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=MARINE HABITAT&rft_subject=SEAFLOOR TOPOGRAPHY&rft_subject=OCEANS&rft_subject=BATHYMETRY/SEAFLOOR TOPOGRAPHY&rft_subject=Temperate Reef&rft_subject=Environmental Management&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=ENVIRONMENTAL SCIENCE AND MANAGEMENT&rft_subject=Environmental Sciences not elsewhere classified&rft_subject=OTHER ENVIRONMENTAL SCIENCES&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=research vessel&rft_subject=Biotic taxonomic identification&rft_subject=Towed video&rft_subject=Benthic classification&rft.type=dataset&rft.language=English Access the data
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Creative Commons Attribution 4.0 International License
http://creativecommons.org/licenses/by/4.0/

Cite data as: Lucieer VL (2009). SeaMap Tasmania towed video transects. Tasmanian Aquaculture and Fisheries Institute. Data accessed at http://metadata.imas.utas.edu.au/geonetwork/srv/eng/metadata.show?uuid=24d48803-5dae-4425-b776-612c4ac2080a on (access date).

The data described in this record are the intellectual property of the the Tasmanian Aquaculture and Fisheries Institute (TAFI).

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Full description

The SeaMap Tasmania project undertook mapping of seafloor habitats across the nearshore Tasmanian coastline (0-40 m) - the first state to compile a statewide asssimilated benthic habitat dataset.

This initiative comprised of collating aerial photography (from archives), acoustic mapping, and conducting underwater video surveys and field-based visual observations. From this, 1:25,0000 scale habitat maps were created for shallow coastal water to within 1.5 km of the coastline (or 40 m depth, which ever was arrived at first).

This record provided access to the raw video and associated annotations from video transects, which were subsequently used as validation (ground-truthing) for habitat mapping.

A submersible digital video camera was deployed at selected locations around the Tasmanian coastline. These samples were used to verify the aerial photography and echo sounder substrate classification and obtain more detailed information on biological assemblages. Transects were undertaken from the LWM (Low water mark) to 80 metres in depth or 1.5 kms from shore. Positional information was recorded for each video drop as a series of DGPS coordinates and also as a direct overlay of the DGPS output (position, date and time) onto the video.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: Select videos were analysed for dominant flora and fauna for each habitat type, with the total percentage covers of all algal and seagrass species recorded over five second blocks of video. Dominant species were identified to the lowest taxonomic level possible. Percentage cover was recorded in accordance with a 0-4 number scoring system where 0 = no algae, 1 = 0 – 25% cover, 2 = 25 – 50 % cover, 3 = 50 –75 % cover, 4 = 75 – 100 % cover. The dominant algal communities for each habitat type were examined for each of the reporting sections in 5 m depth bins based on this video data. A minimum of 30 replicates from each combination of habitat type, depth bin and reporting section were completed for the analysis. Where meeting this criteria was not possible, the algal data were not analysed for that class.

Data time period: 2000-06-13 to 2009-06-17

This dataset is part of a larger collection

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text: uplimit=40; downlimit=0

Subjects
AQUATIC ECOSYSTEMS | BATHYMETRY/SEAFLOOR TOPOGRAPHY | BENTHIC HABITAT | Biological Sciences | BIOSPHERE | Benthic classification | Biotic taxonomic identification | EARTH SCIENCE | Ecology | Environmental Science and Management | Environmental Sciences | Environmental Management | Environmental Sciences Not Elsewhere Classified | MARINE HABITAT | Marine and Estuarine Ecology (Incl. Marine Ichthyology) | OCEANS | Other Environmental Sciences | SEAFLOOR TOPOGRAPHY | Temperate Reef | Towed video | biota | environment | oceans | research vessel |

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Other Information
MAP - Seamap Tasmania video transects (SeamapTAS_video_tracks)

url : https://geoserver.imas.utas.edu.au/geoserver/imas/wms

DATA ACCESS - This OGC WFS service returns the data (SeaMap Tasmania towed video transects) in Shapefile format. (SHAPE-ZIP)

url : https://geoserver.imas.utas.edu.au/geoserver/imas/wfs?version=1.0.0&request=GetFeature&typeName=SeamapTAS_video_tracks&outputFormat=SHAPE-ZIP

This OCG WFS service returns the video tracks download in multiple formats, including CSV. (SeamapTAS_video_tracks)

url : https://geoserver.imas.utas.edu.au/geoserver/imas/wfs

(PUBLICATION - Mapping the gaps [PDF])

url : http://ecite.utas.edu.au/59920

(View data in the interactive Seamap Australia data portal.)

url : https://seamapaustralia.org/map/#d59f37aa-1a63-495a-8ed9-35a46765dfad

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Identifiers
  • global : 24d48803-5dae-4425-b776-612c4ac2080a