4,221 results

Parameters for stock yield assessments in the developing orange roughy and blue grenadier fisheries

Project number: 1984-051
Project Status:
Completed
Budget expenditure: $0.00
Principal Investigator: Maria Casimaty
Organisation: Department of Natural Resources and Environment Tasmania (NRE TAS)
Project start/end date: 27 Jun 1987 - 29 Jun 1987
Contact:
FRDC
TAGS
Stock Assessment
Mortality
Ageing

Objectives

1. Determine, for both orange roughy and blue grenadier, age and age/length relationships, age at recruitment and maturity, and estimates of total mortality from which natural mortality may be estimated
People
Environment
PROJECT NUMBER • 1985-071
PROJECT STATUS:
COMPLETED

Redfish tagging study, New South Wales

The purpose of this report is to describe the methods used for tagging redfish and discuss the results achieved by the various segments of the project. In conjunction with the tagging study, data on commercial catches of redfish, fishing effort and catch length frequency were also analysed, and the...
ORGANISATION:
Department of Primary Industries and Regional Development (NSW)
TAGS
Tagging
Stock Assessment
Mortality
Fishing Effort
Data
Environment
Environment
Environment
Environment
Environment
Environment
PROJECT NUMBER • 1993-090
PROJECT STATUS:
COMPLETED

Trial of the use of new age-pigment-based methods for age determination of western rock lobster (Panulirus cygnus)

The Western rock lobster fishery is a valuable resource in Australia, but it is important to manage it sustainably. One way to do this is to understand the population dynamics, including the age of the lobsters. Traditional methods of measuring age, such as body size, are noy very reliable, so...
ORGANISATION:
University of Queensland (UQ)
TAGS
Physiology
Analytics
Ageing
Environment
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