129 results
Environment
PROJECT NUMBER • 2004-080
PROJECT STATUS:
COMPLETED

Aquatic Animal Health Subprogram: development of a national translocation policy using abalone and prawns as templates for other aquatic species

The use of scientifically based hazard identification, risk analysis and risk management is fundamental to managing unwanted effects. Hazards, such as quarantine incursions, will continue to occur despite the use of risk assessment methodologies but the frequency and severity of their...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
TAGS
Stock Assessment
Environment
Environment
Environment
Environment

Enhancement of yabbie production from Western Australian farm dams - BCA

Project number: 1994-075.80
Project Status:
Completed
Budget expenditure: $4,394.73
Principal Investigator: Gerry Geen
Organisation: Department of Primary Industries and Regional Development (DPIRD) WA
Project start/end date: 30 Oct 2000 - 1 Jan 2009
:
TAGS
Stock Assessment
Population Dynamics
Fisheries Management

Objectives

1. To increase harvests from WA farm dams by providing farmers with: Population control method(s) which increase the proportion of yabbies of marketable weights
2. Quantified methods for reducing dam environmental factors limiting yabbie production and causing variation in dam productivity
3. a manual of methods for stocking and managing farm dams to increase harvest per dam

Final report

Final Report • 2009-01-01 • 1,015.68 KB
1994-075.80-DLD.pdf

Summary

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 project were that stocking density, feeding and male:female ratios were the most important factors which influenced growth rates.

The research station trials also showed that growth rates improved when ponds were stocked with males only. The project investigated yabby "varieties" from around Australia to assess the potential of producing a male only strain or hybrid. A number of hybrids were produced which showed preliminary evidence of hybrid sterility. Further research was recommended which was funded by a subsequent FRDC project.

Industry
PROJECT NUMBER • 1982-025
PROJECT STATUS:
COMPLETED

Feasibility studies on the artificial propagation of pearl oyster seed

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
TAGS
Reproduction
People
Environment
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
TAGS
Supply & Demand
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