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Environment
Industry
Environment

An assessment of the orange roughy resources off the coast around Tasmania

Project number: 1987-065
Project Status:
Completed
Budget expenditure: $137,388.00
Principal Investigator: Jeremy Lyle
Organisation: Department of Natural Resources and Environment Tasmania (NRE TAS)
Project start/end date: 28 Jun 1990 - 31 Dec 1990
Contact:
FRDC

Objectives

1. Determine abundance orange roughy on continental slope (800-1200m deep) around Tas (occurrence, size, distribution of spawning & non-spawning aggregations).
2. Establish potential sustainable yield.
3. Study life history, population parameters. Determine distribution & abundance other commercially important spp same depth off 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)
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