17 results
Environment
PROJECT NUMBER • 1985-053
PROJECT STATUS:
COMPLETED

The development of an index for the prediction of catches of blacklip and greenlip abalone, and a technique for ageing these species

The scientific literature has generally accepted that abalone populations are characterised by low levels of settlement and recruitment (Tegner in press), that mortality is relatively low (Doi et al. 1977; Beinssen and Powell 1979; Sainsbury 1982; Shepherd et al. 1982; Fournier and Breen 1983) and...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)

Enhancement and monitoring of a developing sea urchin fishery

Project number: 1987-063
Project Status:
Completed
Budget expenditure: $0.00
Principal Investigator: Christine D. Crawford
Organisation: Department of Natural Resources and Environment Tasmania (NRE TAS)
Project start/end date: 27 Jun 2000 - 30 Jun 2000
Contact:
FRDC

Objectives

1. Obtain prelim estimates of basic population parameters required to manage the resource.
2. Develop techniques for ageing sea urchins.
3. Investigate ... effects of several spp of algal food & qty of food avail - & effects of different densities - on gonad colour, texture & volume
Environment
PROJECT NUMBER • 1985-077
PROJECT STATUS:
COMPLETED

Resource monitoring of the jack mackerel purse seining fishery in south-eastern Australia

This program has collected data on the development and performance of the fishery, as well as biological data relevant to assessment of the impact of fishing on the exploited population. The development and operation of the fishing and processing sectors of the fishery are described as are the...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
Blank
PROJECT NUMBER • 2022-075
PROJECT STATUS:
COMPLETED

National Workshop to develop a regional collaborative plan to control the invasive Longspined Sea Urchin (Centrostephanus rodgersii)

The 2023 National Centrostephanus Workshop was convened by the Department of Natural Resources and Environment Tasmania. The workshop brought together 130 representatives from industry, government, research, Aboriginal communities, recreational fishing groups, and the community to: • Identify...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
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