Fish sampling techniques



  1. A review of techniques used for assessing changes in fish assemblages (828 KB PDF) D. Watson A review of current literature detailing the advantages and disadvantages of currently used sampling techniques and their ability to effectively measure changes in fish assemblages.
  2. Potential of video techniques to monitor diversity, abundance and size of fish in studies of Marine Protected Areas (163 KB PDF) Mike Cappo, Euan Harvey, Hamish Malcolm and Peter Speare. 2003. Advantages and applications of novel "video-fishing" techniques to design and monitor Marine Protected Areas. In Beumer, J.P, Grant, A. and D.C. Smith. "Aquatic Protected Areas - What works best and how do we know?", Proceedings of the World Congress on Aquatic Protected Areas - Cairns, Australia; August, 2002. p 455-464.
  3. "Use of stereo-video photography in remote camera and diver transect assessments of fish populations" Harvey, E.S., Seager, J., Shortis, M., Robson, S. and M. Cappo. , pgs 44-48. In Somerton, D.A. and C.T. Gledhill (editors). 2005. Report of the National Marine Fisheries Service Workshop on Underwater Video Analysis. U.S. Department of Commerce, NOAA Tech. Memo. NMFS-F/SPO-68. 69p

Technical studies

  1. A system for stereo-video measurement of sub-tidal organisms (237 KB PDF) E. Harvey and M. Shortis (1996) Marine Technology Society 49(4): 10-22. Development of a stereo-video system that can accurately and precisely determine the size or length of underwater flora and fauna.
  2. Calibration stability of an underwater stereo-video system: Implications for measurement accuracy and precision (100 KB PDF) E. Harvey and M. Shortis (1998) Marine Technology Society Journal 32(2): 3-17. A series of experiments concerning the determination and testing of camera calibration, relative orientation and stability of the underwater stereo-video system.
  3. A comparison of the accuracy and precision of measurements from single and stereo-video systems (112 KB PDF) E. Harvey, M. Shortis, M. Stadler and M. Cappo (2002) Marine Technology Society Journal 36(2): 38-49. Underwater tests using plastic silhouettes of fish were used to compare the accuracy and precision of measurements made with a single video camera system to those made from live, stereo-video systems. A set of guidelines to optimize the accuracy and precision of underwater measurements of fish length using single and stereo-video systems is given.

Comparison of techniques

  1. "Visual census of reef fish assemblages: a comparison of slate, audio, and video recording devices" S. Bortone, T. Martin and M. Charles (1991) Northeast Gulf Science 12(1): 17-23.
  2. "Evaluation of a Video Camera Technique For Indexing Abundances of Juvenile Pink Snapper, Pristipomoides-Filamentosus, and Other Hawaiian Insular Shelf Fishes" D. Ellis and E. DeMartini (1995) Fishery Bulletin 93(1): 67-77.
  3. Comparison of fish abundance estimates made by remote underwater video and visual census (49 KB PDF) P. Francour, C. Liret and E. Harvey (1999) Naturalista sicil. 23: 155-168.
  4. "In situ studies on deep-sea demersal fishes using autonomous unmanned lander platforms" I. Priede and P. Bagley (2000) In: Oceanography and Marine Biology, Vol 38. Tailor and Francis Ltd. Pg 357-392.
  5. A baited underwater video system for the detection of relative density of carnivorous reef fish (114 KB PDF) T. Willis and R. Babcock (2000) Marine and Freshwater Research 51: 755-763.
  6. Detection of spatial variability in relative density of fishes of fishes: comparison of visual censuses, angling and baited underwater video (120 KB PDF) T. Willis, R. Millar and R. Babcock (2000) Marine Ecology Progress Series 198: 249-260.
  7. A comparison of the precision and accuracy of estimates of reef-fish lengths determined visually by divers with estimates produced by a stereo-video system (25 KB PDF) E. Harvey, D. Fletcher and M. Shortis (2001a) Fishery Bulletin 99(1): 63-71.
  8. Improving the statistical power of length estimates of reef fish: a comparison of estimates determined visually by divers with estimates produced by a stereo-video system (22 KB PDF) E. Harvey, D. Fletcher and M. Shortis (2001b) Fishery Bulletin 99(1): 72-80.
  9. Estimation of reef fish length by divers and by stereo-video - A first comparison of the accuracy and precision in the field on living fish under operational conditions (44 KB PDF) E. Harvey, D. Fletcher and M. Shortis (2002) Fisheries Research 57(3): 255-265.
  10. 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 (54 KB PDF) M. Cappo, P, Speare and G. De'ath (2004) Journal of Experimental Marine Biology and Ecology 32(2): 123-152.
  11. "A comparison of underwater visual distance estimates made by SCUBA divers and a stereo-video system: Implications for underwater visual census of reef fish abundance" E. Harvey, D. Fletcher, M. Shortis and G. Kendrick (2004) Marine and Freshwater Research 55: 573-580.
  12. Harvey et al. Baited vs. unbaited remote stereo-video.
  13. Harvey et al. Day vs. night.
  14. Harvey et al. Single down vs. stereo.
  15. A comparison of temperate reef fish assemblages recorded by three underwater stereo-video techniques (144 KB PDF) D. Watson, E. Harvey, MJ. Anderson and G. Kendrick.
  16. "Behaviour of temperate and sub-tropical reef fishes towards a stationary SCUBA diver" D. Watson and E. Harvey.

Field protocols

  1. Cappo "field and tape analysis"
  2. Guidelines for the use of remote underwater stereo-video cameras: equipment, fieldwork and calibration (221 KB PDF) D. Watson

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Field applications

Houtman Abrolhos Islands

  1. "Examining the effect of fishing and protection on reef fish assemblages at the Houtman Abrolhos Islands using baited remote underwater stereo-video" D. Watson and E. Harvey (Available by end of CRC). In 1994, four Reef Observation Areas, more commonly known as Marine Protected Areas (MPA’s), were established at the Islands to protect baldchin groper & coral trout. Department of Fisheries, Western Australia have used the underwater visual census (UVC) strip transect method to monitor the number of groper & trout at two of these MPA’s (Easter & Wallabi Island groups) (Nardi et al. 2004). Recently these techniques have been complemented by a suite of video techniques developed at UWA to increase the spatial scope of the project, operating depths of the sampling and to sample a broader range of species. Objectives of the study are to: a) Monitor and measure the effects of fishing (and protection) on reef fish communities at the Houtman Abrolhos Islands using non destructive, fishery independent sampling techniques; and, b) Bridge the gaps between science, the community and policy/planning through public education of the effects of Marine Protected Areas at the Houtman Abrolhos Islands.

Recherche Archipeligo

  1. "Baited remote underwater stereo-video surveys of fish assemblages of the Recherche Archipelago". Euan Harvey, Mike Cappo, Simon Grove, Gary Kendrick and Matt Kleczkowski The influence of habitat on the structure of the demersal fish assemblages in the Recherche Archipelago.
  2. "Diver stereo-video surveys of reef fish assemblages of the Recherche Archipelago". Euan. S. Harvey, Gary. A. Kendrick and Norman. G. Hall. The influence of Reef Isolation, Exposure and Depth on the structure and length of the shallow water reef fish assemblages of the Recherche Archipelago, South Western Australia.
  3. "Spatial analysis benthic fish assemblages of the Recherche Archipelago". Brenton Chatfield, Kimberley van Neil, Gary Kendrick, Euan Harvey.

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