The project ‘Age Validation from Tagged School and Gummy Sharks Injected with Oxytetracycline’ (FRDC Project 97/110) follows on from four successfully completed projects. These are the ‘Southern Shark Age Validation’ (FRDC Project 91/037), ‘Southern Shark Nursery’...
As part of the projects, all available tag release-recapture data available from shark tag releases during 1947-56, 1973-76, and 1990-99 have been validated and consolidated in the Southern Shark Tag Database developed in Microsoft ACCESS. The database is routinely updated and has facility for...
The southern rock lobster (Jasus edwardsii) is found in Australia’s southern waters from south-west Western Australia to southern New South Wales, including the waters around Tasmania. In 1996/97, 4,835 tonnes of southern rock lobster were landed in Australia with the highest catch from...
The issue of how best to survey abalone populations to obtain estimates of abundance has been the subject of debate among fisheries biologists for many years. In an attempt to resolve this issue we compared and evaluated abalone abundance estimated by the following methods: Transect survey,...