58 results
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
TAGS
Stock Assessment
Stakeholder
Reproduction
Otolith
Laboratory Procedures
SPECIES
Snapper
West Australian Dhufish
Environment
Industry
PROJECT NUMBER • 1994-075.80
PROJECT STATUS:
COMPLETED

Enhancement of yabbie production from Western Australian farm dams - BCA

This report describes the results of an ex-post benefit cost analysis of the FRDC ­funded project 'Enhancement of yabby production from Western Australian farm dams' (Project No. 1994-075). The project was carried out by the Western Australian Marine Research Laboratories. The main findings of the...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
TAGS
Stock Assessment
Productivity
Population Dynamics
Fisheries Management
Biology
Environment
PROJECT NUMBER • 2015-026
PROJECT STATUS:
COMPLETED

Understanding recruitment variation (including the collapse) of Saucer Scallop stocks in Western Australia and assessing the feasibility of assisted recovery measures for improved management in a changing environment

This study examined possible contributing environmental factors to the recruitment variability of the Ballot’s saucer scallop Ylistrum balloti across the main stocks in Western Australia. The project was undertaken to explain the variation observed between years and between regions as well...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
TAGS
Stock Assessment
Reproduction
Remote Sensing
Rac Wa
Fisheries Management
SPECIES
Ballot's Saucer Scallop
Environment
Industry
PROJECT NUMBER • 1994-075
PROJECT STATUS:
COMPLETED

Enhancement of yabbie production from Western Australian farm dams

Farmers receive higher prices per kilo for large yabbies. Yabby farmers have reported that the majority of yabbies trapped from farm dams are below market size (< 30 g) and therefore of no economic value. In addition, farmers also report that while dams produce large yabbies when...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
TAGS
Stock Assessment
Productivity
Population Dynamics
Fisheries Management
Biology
Industry
PROJECT NUMBER • 2018-178
PROJECT STATUS:
COMPLETED

Species identification of Australia’s most significant octopus fishery – the Western Australian Common Octopus

This report summarises the scientific and consultation work undertaken to identify a new species name (Octopus djinda) and new common name (Western Rock Octopus) for the species that supports Australia’s largest octopus fishery, with 734 tonnes harvested in 2022. The species had been...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
TAGS
Sustainability
Stock Assessment
Rac Wa
Market Opportunities
Fishing Gear
SPECIES
Octopuses
Industry
Industry
Environment
PROJECT NUMBER • 1995-020
PROJECT STATUS:
COMPLETED

Mortality, growth and movements of the western rock lobster, Panulirus cygnus

The very high levels of exploitation in the western rock lobster fishery have resulted in the introduction of regional or zone-specific management arrangements in recent years. This is a permanent departure from an holistic approach to the fishery’s regulation. A detailed knowledge of...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
TAGS
Training
Tagging
Stock Assessment
Mortality
Migration
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