170
results
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 • 1998-154
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
Industry
Environment
PROJECT NUMBER • 1998-203
PROJECT STATUS:
COMPLETED

Feeding ecology of seabirds nesting at the Abrolhos Islands, Western Australia

Over one million pairs of seabirds breed annually on the Houtman Abrolhos island group, 60 km off the mid-western coast of Australia, the largest seabird breeding station in the eastern Indian Ocean. This report describes in detail the diets and breeding patterns of six key seabird species that...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
Environment
PROJECT NUMBER • 1998-212
PROJECT STATUS:
COMPLETED

Determination of the disease status of Western Australian commercial prawn stocks

There is little published information on the disease status of the prawns on the north-west shelf, yet these prawns (Fenneropenaeus merguiensis, Metapenaeus endeavouri, Penaeus esculentus and Melicertus latisulcatus) form the basis of a commercial fishery worth in excess of A$42 million in...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
SPECIES
Environment
PROJECT NUMBER • 2003-052
PROJECT STATUS:
COMPLETED

Spatial scales of exploitation among populations of demersal scalefish: implications for wetline management

West Australian dhufish is endemic to shelf waters of south-western Western Australia (WA). In contrast, snapper (known as "pink snapper" in WA) has a continuous distribution around the southern coastline of mainland Australia and in New Zealand. Dhufish and snapper are the two most important...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
Environment
PROJECT NUMBER • 2003-066
PROJECT STATUS:
COMPLETED

Comparing conventional ‘social-based’, and alternative output-based, management models for recreational finfish fisheries using Shark Bay pink snapper as a case study

This study has provided for the first time in Australia, an empirical comparison of different management models with a recreational marine finfish fishery. A TAC-based system was introduced for pink snapper in the inner gulfs of Shark Bay for the first time in 2003-2005, to explicitly manage...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
SPECIES
Environment
PROJECT NUMBER • 2003-067
PROJECT STATUS:
COMPLETED

Development of a DNA database for compliance and management of Western Australian sharks

The capability to identify individual shark species from processed body parts is necessary for the WA Department of Fisheries to ensure the compliance of all WA fisheries with both existing protected species regulations and proposed new management measures for commercially important shark species....
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
Environment
PROJECT NUMBER • 1997-104
PROJECT STATUS:
COMPLETED

Modelling to explore management strategies to optimise the value of the rock lobster fishery of Western Australia

The fishery for the western rock lobster (Panulirus cygnus) is Western Australia’s most important single species fishery, and yields an average annual catch of 10,500 to 11,000 tonnes valued at between $200 and $300 million at the point of landing. With a high level of exploitation and a...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
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