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Crayfish and octopus surveys, Ningaloo Reef, Western Australia (WAMSI Node 3 Project 3.1.3)

Created 24/06/2025

Updated 24/06/2025

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A series of field trips were made along the entire length of Ningaloo Marine Park (NMP) in May, July, and September 2008. Underwater visual census (UVC) at inner and outer reef sites within both recreational and sanctuary zones (SZ) were undertaken from North West Cape SZ to the Turtle SZ at the southern end of NMP. In total, 132 lobsters from five species were counted from 265 transects and 18 separate locations (58 sites) along the entire coast of the NMP.Sub-tidal surveys on snorkel and SCUBA were used for octopus surveys and were done simultaneously with lobster surveys. In addition to these, inter-tidal surveys were conducted in December 2008 providing total coverage of octopus habitat across a reef profile. In total, just 28 octopus from a single species (Octopus cyanea) were counted from 410 transects (265 subtidal and 145 inter-tidal) and 59 separate sites along the entire coast of the NMP. The specific objectives of this project were:1) A report on stock status for targeted invertebrate species along the length of Ningaloo Marine Park including octopus and lobster.2) A characterization of habitats associated with high numbers of targeted species.3) A comparison of stock abundance in relation to differing levels of visitor access.In addition, a further 6 related questions had been put forward as important to the management of the NMP:1) What is the species diversity of invertebrates at representative habitats in the NMP?2) What is the relative abundance of these species and how do they compare with the 'natural' abundance of these species on comparable reefs?3) How does the abundance of these species change over a gradient of historical and human pressure?4) Are current fishing regulations appropriate?5) What should management targets be?6) What species should be monitored regarding these species?

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Additional Info

Field Value
Title Crayfish and octopus surveys, Ningaloo Reef, Western Australia (WAMSI Node 3 Project 3.1.3)
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/ce86d182-9737-48f8-ba43-3997f3a3b489
Contact Point
Australian Ocean Data Network
reception@aims.gov.au
Reference Period 20/11/2017
Geospatial Coverage
Map data © OpenStreetMap contributors
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Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Crayfish and octopus surveys, Ningaloo Reef, Western Australia (WAMSI Node 3 Project 3.1.3)". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/crayfish-and-octopus-surveys-ningaloo-reef-western-australia-wamsi-node-3-project-3-1-31