Data

Fish, shark, ray and benthos biodiversity surveys around remote Timor Sea Shoals

Australian Ocean Data Network
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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://catalogue.aodn.org.au:443/geonetwork/srv/api/records/516811d7-cc86-207a-e0440003ba8c79dd&rft.title=Fish, shark, ray and benthos biodiversity surveys around remote Timor Sea Shoals&rft.identifier=516811d7-cc86-207a-e0440003ba8c79dd&rft.publisher=Australian Ocean Data Network&rft.description=Cappo, Heyward, Speare GOALS: To map the benthic habitats, and record the associated fish, shark and ray faunas, of the major clusters of Timor Sea shoals at 3 depth zones : 20-30m, 40-60m and 90-110m. APPROACH: Towed camera footage and real-time seabed classifications [substratum,major benthic groups present (eg seagrass,sponge gardens, gorgonians, hard corals, occurrence of individual benthic animal (eg crabs, starfish, clams)] has been obtained from 3 shoals near Evans Shoal, 6 Karmt shoals and 6 Sahul shoals ; as well as 4 adjacent sites in 96-100m on the continental shelf. BRUVS have been deployed at these same 3 depth zones: 20-30m, 40-60m and 90-110m at 3 shoals near Evans Shoal, 6 Karmt shoals and 6 Sahul shoals; as well as 4 adjacent sites in 96-100m on the shelf. 6 BRUVS were set in a line and towed camera footage was obtained during 3 replicate tows amongst this set of BRUVS. Multivariate statistics will be used to explore associations amongst fish and the benthic habitats they are found in. HIGHLIGHTS TO DATE: · Shallows dominated by extraordinarily rich benthos down to >70m · Shallows have moderately diverse fish faunas, lacking large economically-important sharks, serranids, lutjanids and lethrinids · Deepest zones have most abundant fauna of larger fish in these 3 families · Sharks notably absent c.f. other similar regions (eg Rowley Shoals), and most seen were pups · Several species of lutjanid and serranid recorded for first time in Aust. waters · New photographs obtained of species never filmed underwater before (eg Wattsia, Epinephelus morrhua) · Juvenile lethrinids abunadnt in dense seagrass beds at depth · Seagrass detritus visible down to 100mMaintenance and Update Frequency: asNeededStatement: Original record compiled for the Western Australian Marine Science Institution (WAMSI), Project 3.8, 2008. Original records sourced from AIMS Data Centre export (May, 2008).&rft.creator=Anonymous&rft.date=2017&rft.coverage=westlimit=125.52; southlimit=-10.88; eastlimit=125.79; northlimit=-10.7&rft.coverage=westlimit=125.52; southlimit=-10.88; eastlimit=125.79; northlimit=-10.7&rft_rights=No Restrictions&rft_subject=biota&rft_subject=oceans&rft_subject=FISH&rft_subject=EARTH SCIENCE&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=ANIMALS/VERTEBRATES&rft_subject=Oceans | Marine Biology | Marine Invertebrates&rft_subject=Oceans | Marine Biology | Marine Plants&rft_subject=MARINE HABITAT&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=BENTHIC HABITAT&rft_subject=THERMOCLINE&rft_subject=OCEANS&rft_subject=OCEAN TEMPERATURE&rft_subject=Biodiversity&rft_subject=Habitat Map&rft_subject=Baited Remote Underwater Video Stations (BRUVS)&rft_subject=Seagrass&rft_subject=Cameras | Video Cameras - underwater&rft_subject=Field Surveys | Underwater Surveys&rft_subject=Regional Seas | Timor Sea&rft_subject=Sharks&rft_subject=Rays&rft.type=dataset&rft.language=English Access the data
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Brief description

Cappo, Heyward, Speare GOALS: To map the benthic habitats, and record the associated fish, shark and ray faunas, of the major clusters of Timor Sea shoals at 3 depth zones : 20-30m, 40-60m and 90-110m. APPROACH: Towed camera footage and real-time seabed classifications [substratum,major benthic groups present (eg seagrass,sponge gardens, gorgonians, hard corals, occurrence of individual benthic animal (eg crabs, starfish, clams)] has been obtained from 3 shoals near Evans Shoal, 6 Karmt shoals and 6 Sahul shoals ; as well as 4 adjacent sites in 96-100m on the continental shelf. BRUVS have been deployed at these same 3 depth zones: 20-30m, 40-60m and 90-110m at 3 shoals near Evans Shoal, 6 Karmt shoals and 6 Sahul shoals; as well as 4 adjacent sites in 96-100m on the shelf. 6 BRUVS were set in a line and towed camera footage was obtained during 3 replicate tows amongst this set of BRUVS. Multivariate statistics will be used to explore associations amongst fish and the benthic habitats they are found in. HIGHLIGHTS TO DATE: · Shallows dominated by extraordinarily rich benthos down to >70m · Shallows have moderately diverse fish faunas, lacking large economically-important sharks, serranids, lutjanids and lethrinids · Deepest zones have most abundant fauna of larger fish in these 3 families · Sharks notably absent c.f. other similar regions (eg Rowley Shoals), and most seen were pups · Several species of lutjanid and serranid recorded for first time in Aust. waters · New photographs obtained of species never filmed underwater before (eg Wattsia, Epinephelus morrhua) · Juvenile lethrinids abunadnt in dense seagrass beds at depth · Seagrass detritus visible down to 100m

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Original record compiled for the Western Australian Marine Science Institution (WAMSI), Project 3.8, 2008. Original records sourced from AIMS Data Centre export (May, 2008).

Notes

Credit
M. Cappo

Modified: 06 2008

Data time period: 2004-01-01 to 2004-12-01

125.79,-10.7 125.79,-10.88 125.52,-10.88 125.52,-10.7 125.79,-10.7

125.655,-10.79

text: westlimit=125.52; southlimit=-10.88; eastlimit=125.79; northlimit=-10.7

Subjects
ANIMALS/VERTEBRATES | AQUATIC ECOSYSTEMS | Benthic Habitat | BIOLOGICAL CLASSIFICATION | BIOSPHERE | Baited Remote Underwater Video Stations (BRUVS) | Biodiversity | Cameras | Video Cameras - underwater | EARTH SCIENCE | Fish | Field Surveys | Underwater Surveys | Habitat Map | Marine Habitat | OCEAN TEMPERATURE | OCEANS | Oceans | Marine Biology | Marine Invertebrates | Oceans | Marine Biology | Marine Plants | Rays | Regional Seas | Timor Sea | Seagrass | Sharks | Thermocline | biota | oceans |

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Identifiers
  • global : 516811d7-cc86-207a-e0440003ba8c79dd