Data

Fish and benthic surveys in intermediate and deeper waters of Ningaloo Marine Park, Western Australia, using baited remote underwater video stations (BRUVS (TM))

Australian Institute of Marine Science
Australian Institute of Marine Science (AIMS)
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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://apps.aims.gov.au/metadata/view/a4e61d20-6724-11dc-9280-00008a07204e&rft.title=Fish and benthic surveys in intermediate and deeper waters of Ningaloo Marine Park, Western Australia, using baited remote underwater video stations (BRUVS (TM))&rft.identifier=https://apps.aims.gov.au/metadata/view/a4e61d20-6724-11dc-9280-00008a07204e&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=A total of 18 BRUVS sets were made offshore from Mandu Mandu, Point Cloates and Maud Point in depths ranging from 66-96 metres. Most of the sets were made where the habitats in the immediate field of view were flat sediments, with or without visible bioturbation from the activities of small burrowing animals. All three sets at Mandu Mandu were in flat, sandy habitats. Three of the six sets made off Point Cloates had significant cover of benthic sponges, fan and whip gorgonians, and other biotic or abiotic structures. Only two of the nine sets made offshore from Maud Point had such cover, and it was much sparser in the field of view of the cameras. Most taxa were identified to species level, with the notable exception of the very small juveniles of threadfin breams (Nemipterus sp.), and the small (Maintenance and Update Frequency: asNeededStatement: Statement: Baited Remote Underwater Video Stations (BRUVS)The three BRUVS consisted of a galvanized roll-bar frame enclosing a simple camera housing made from PVC pipe with acrylic front and rear ports. Bait arms (20 mm plastic conduit) and 6 kg galvanised ballast weights were attached and detached during and after deployment. The 1.5m bait arm held a 350 mm plastic mesh bait canister containing one kilogram of crushed pilchards, Sardinops neopilchardus. BRUVS were deployed with 8mm, polyethylene, floating pot ropes and two 30cm surface floats bearing a flag, and were retrieved with a pot hauler.SonyTM MiniDV Handicams (model TRV19) with wide-angle lenses (0.5X adapters)were used in the housings. Exposure was set to 'Auto', focus was set to 'Infinity/manual', MiniDV tapes (Panasonic AY-DVM83PQ) were loaded, SP recording mode used and time codes were laid on the tapes. The BRUVS were deployed to provide 83 minutes of film and were set equidistantly apart (1km-2km) along depth contours to provide independence of each replicate unit.Further information is available in:Cappo M, Harvey E, Malcolm H and Speare P (2003) Potential of video techniques to monitor diversity, abundance and size of fish in studies of Marine Protected Areas. In: Beumer JP, Grant A and Smith DC (eds) Aquatic Protected Areas - what works best and how do we know?, World Congress on Aquatic Protected Areas proceedings, Cairns, Australia, August 2002. p 455-464.Cappo M, Speare P and De'ath G (2004) Comparison of Baited Remote Underwater Video Stations (BRUVS) and prawn (shrimp) trawls for assessments of fish biodiversity in inter-reefal areas of the Great Barrier Reef Marine Park. Journal of Experimental Marine Biology and Ecology 302(2),123-152.All the BRUVS sets deeper than 80m provided very gloomy, grainy footage that could be interrogated only by adjusting the brightness and colour balance of the screen on the tape player. At this time of year, and in these coastal waters, these depths are at the lower limit of penetration of daylight. 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While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.&rft_rights=The data was collected under contract between AIMS and another party(s). Specific agreements for access and use of the data shall be negotiated separately. Contact the AIMS Data Centre (adc@aims.gov.au) for further information&rft_subject=oceans&rft.type=dataset&rft.language=English Access the data
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All AIMS data, products and services are provided "as is" and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.

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A total of 18 BRUVS sets were made offshore from Mandu Mandu, Point Cloates and Maud Point in depths ranging from 66-96 metres. Most of the sets were made where the habitats in the immediate field of view were flat sediments, with or without visible bioturbation from the activities of small burrowing animals. All three sets at Mandu Mandu were in flat, sandy habitats. Three of the six sets made off Point Cloates had significant cover of benthic sponges, fan and whip gorgonians, and other biotic or abiotic structures. Only two of the nine sets made offshore from Maud Point had such cover, and it was much sparser in the field of view of the cameras. Most taxa were identified to species level, with the notable exception of the very small juveniles of threadfin breams (Nemipterus sp.), and the small (<60 cm total length) sharpnose or sliteye sharks (Rhizoprionodon taylori or Loxodon macrorhinos). Published diagnostic features for these species could not be resolved on the footage. The maximum number of fish from each species seen in each video frame (MAXN) was recorded. The surrounding habitat was classified into three broad classes: fine sand, course sand and megabenthos. The measures of the various depths, the habitat classes, and the fish species abundance were analysed from multiple BRUVS sites, or sets. Multivariate analyses are required to examine the multidimensional relationships among the sites, the environmental variables and fish species. These analyses allowed us to describe the major groupings in the BRUVS data, measure the strength of fish-habitat associations, and identify indicator species defining these patterns. The study was undertaken for the Commonwealth Government Department of the Environment and Heritage, to begin a process of describing deepwater biodiversity in the Ningaloo Marine Park and to address a lack of such information seaward of Ningaloo Reef crest. Another aim of the project was to identify any areas of high biodiversity in both Commonwealth and State waters of the park. This information would be used to assist in identifying potential sanctuary zones to preserve the areas of high biodiversity that are considered to be relatively important within the reserve. The study sites chosen were adjacent to existing State marine sanctuary zones. BRUVS deployments were made to investigate fish and elasmobranch community composition in relation to habitat within the study sites.

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Maintenance and Update Frequency: asNeeded
Statement: Statement: Baited Remote Underwater Video Stations (BRUVS)The three BRUVS consisted of a galvanized roll-bar frame enclosing a simple camera housing made from PVC pipe with acrylic front and rear ports. Bait arms (20 mm plastic conduit) and 6 kg galvanised ballast weights were attached and detached during and after deployment. The 1.5m bait arm held a 350 mm plastic mesh bait canister containing one kilogram of crushed pilchards, Sardinops neopilchardus. BRUVS were deployed with 8mm, polyethylene, floating pot ropes and two 30cm surface floats bearing a flag, and were retrieved with a pot hauler.SonyTM MiniDV Handicams (model TRV19) with wide-angle lenses (0.5X adapters)were used in the housings. Exposure was set to 'Auto', focus was set to 'Infinity/manual', MiniDV tapes (Panasonic AY-DVM83PQ) were loaded, SP recording mode used and time codes were laid on the tapes. The BRUVS were deployed to provide 83 minutes of film and were set equidistantly apart (1km-2km) along depth contours to provide independence of each replicate unit.Further information is available in:Cappo M, Harvey E, Malcolm H and Speare P (2003) Potential of video techniques to monitor diversity, abundance and size of fish in studies of Marine Protected Areas. In: Beumer JP, Grant A and Smith DC (eds) Aquatic Protected Areas - what works best and how do we know?, World Congress on Aquatic Protected Areas proceedings, Cairns, Australia, August 2002. p 455-464.Cappo M, Speare P and De'ath G (2004) Comparison of Baited Remote Underwater Video Stations (BRUVS) and prawn (shrimp) trawls for assessments of fish biodiversity in inter-reefal areas of the Great Barrier Reef Marine Park. Journal of Experimental Marine Biology and Ecology 302(2),123-152.All the BRUVS sets deeper than 80m provided very gloomy, grainy footage that could be interrogated only by adjusting the brightness and colour balance of the screen on the tape player. At this time of year, and in these coastal waters, these depths are at the lower limit of penetration of daylight. Beyond them artificial lighting must be employed to obtain useful footage.

Modified: 17 10 2024

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Ningaloo Marine Park - initial survey of seabed biodiversity in intermediate and deep waters (March 2004): Rees M, Heyward AJ, Cappo M, Speare PJ and Smith LD (2004) Ningaloo Marine Park - initial survey of seabed biodiversity in intermediate and deep waters (March 2004). Australian Institute of Marine Science. 54 p.

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global : de49d82a-c484-4089-b148-7ad66f2c41b6

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