Four different techniques for determining the stock structure of a marine fish species were compared, using as a subject the jackass morwong. The four techniques examined were allozyme analysis, mitochondrial DNA analysis and two techniques based on measuring the composition of otoliths ('ear...
The scientific literature has generally accepted that abalone populations are characterised by low levels of settlement and recruitment (Tegner in press), that mortality is relatively low (Doi et al. 1977; Beinssen and Powell 1979; Sainsbury 1982; Shepherd et al. 1982; Fournier and Breen 1983) and...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
The Western Australian Research Laboratories began investigating the feasibility of artificially propagating the silverlip or goldlip pearl oyster, Pinctada maxima, (Jameson) in 1982 and culminated its study by operating a pilot scale, seasonal hatchery at the Broome Jetty, Broome, Western...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
The report focuses on the movement dynamics of two pelagic sharks, the White Shark (Carcharadon carcharias) and Bronze Whaler (Carcharinhus brachyurus), in South Australia. Specific aims were to: (1) determine if aquaculture activities correlated with patterns on fidelity and migration; and (2)...