4,034 results
Industry
Environment
PROJECT NUMBER • 1998-159
PROJECT STATUS:
COMPLETED

Stock structure of northern and western Australian Spanish mackerel

Decisions about the allocation of management responsibilities for fisheries for narrow-barred Spanish mackerel, Scomberomorus commerson, as well as on-going stock assessments, require an understanding of the spatial relationships of the species. We used a suite of methods, isotope ratios in...
ORGANISATION:
Department of Agriculture and Fisheries (NT)
Industry
Environment
PROJECT NUMBER • 1998-154
PROJECT STATUS:
COMPLETED

Analysis of the microchemistry and stable isotopic composition of the otoliths of goldband snapper (Pristipomoides multidens) as an aid to the determination of stock structure

Measurement of stable isotope ratios of oxygen (18O:16O) and carbon (13C:12C) in the earstone (sagittal otolith) carbonate from assemblages of goldband snapper, Pristipomoides multidens, from waters off northern and western Australia revealed location-specific signatures and indicated that fish...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
Environment
PROJECT NUMBER • 1998-153
PROJECT STATUS:
COMPLETED

Mother-of-pearl (Pinctada maxima) shell: stock evaluation for management and future harvesting in Western Australia

The West Australian Pearling industry is one of Australia’s most valuable aquaculture industries, currently generating around $120 - $160 million annually. The majority of pearl shell used to culture pearls come from the pearling beds in the inshore waters near Broome. The fishery for...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
Environment
PROJECT NUMBER • 1998-152
PROJECT STATUS:
COMPLETED

Demersal finfish resource assessment survey of the north-west slope of Western Australia

The nature and extent of demersal finfish resources in deep slope waters (>200m) off the northwest coast of Western Australia are poorly understood. Existing fish trawl, trap and line fishing effort is concentrated in shallower waters (<200m), while trawling in deep slope waters...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
Environment
PROJECT NUMBER • 1998-150
PROJECT STATUS:
COMPLETED

Development and assessment of methods to reduce the predation of pot-caught southern rock lobster (Jasus edwardsii) by maori octopus (Octopus maorum)

The SARLF is the State’s most valuable wild fishery with estimated export earnings of >$100 million in 2002. The fishery is a closed entry fishery with 250 licence-holders and is divided into the Northern and Southern Zones. Lobsters are caught in baited pots that are generally set...
ORGANISATION:
University of Adelaide
Environment
PROJECT NUMBER • 1998-146
PROJECT STATUS:
COMPLETED

Evaluation of recreational fishery management controls of commercially important scalefish species

There are increasing demands for Australian fisheries management agencies to demonstrate that fisheries under their jurisdiction are being managed in accordance with the principles of ecologically sustainable development (ESD). The decision-making processes of the ESD management framework...
ORGANISATION:
Agriculture Victoria
Environment
PROJECT NUMBER • 1998-141
PROJECT STATUS:
COMPLETED

Environmental determinants of recruitment success of King George whiting

Catches of King George whiting in Victorian bays and inlets vary greatly from year to year. This research was aimed at finding out how much of this variation was due to the environment, and whether we could use measures of environmental variables to predict catches in the future. King George whiting...
ORGANISATION:
Agriculture Victoria
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