The report provides a comprehensive evaluation of Brownlip Abalone biology and fisheries assessment to date. For wild populations, it has provided the most reliable estimates of natural and fishing mortality, size composition and the first to model growth throughout all stages of life. The project...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
This study examined two aspects of the chemical composition of snapper otoliths from Shark Bay Western Australia as an aid to determining the spatial relationship among juveniles and to better understand the spatial relationships between juveniles and adults. Otoliths were collected from...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
This project developed and explored methodology intended to enable the production of more reliable estimates of fishing efficiency increases and harvest rate, such that these estimates might be available for use by fisheries scientists, thereby improving the quality of the management decisions...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
The distribution of marron in the southwest of Australia has seen many changes since European settlement. Reconstructions of their range from historical records suggested that marron inhabited the waters between the Harvey River and Denmark River. Due to translocation, their range has expanded as...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
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
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
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