76 results

Population dynamics of exploited tiger prawns stocks off Groote Eylandt Gulf of Carpentaria

Project number: 1980-040
Project Status:
Completed
Budget expenditure: $0.00
Principal Investigator: Shirley Jeffrey
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1981 - 31 Dec 1981
Contact:
FRDC

Objectives

1. Study patterns of migration and estimate growth and mortality rates for tiger prawns in the Groote Eylandt region of the Gulf of Carpentaria

Handbook of Australian fishes

Project number: 1978-038
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 27 Jun 1980 - 29 Jun 1980
Contact:
FRDC

Objectives

1. Employ a technical assistant to share responsibility for the maintenance of the species-literature catalogue and its ancillary indexes,
2. curatorial management of collections and assembly of illustrative material.

Tide and current analysis of the Gulf of Carpentaria and its relation to banana prawn larval dispersion

Project number: 1978-036
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1981 - 31 Dec 1981
Contact:
FRDC

Objectives

1. Assess seasonal wind, tidal & density-driven current regimes in the Gulf of Carpentaria
from the computed net water flows,
2. better understand larval prawn dispersal mechanisms from the off-shore spawning grounds to the near-shore & estuarine nursery grounds

Final report

Author: Dr J. A. Church
Final Report • 1981-12-31 • 2.15 MB
1978-036-DLD.pdf

Summary

The prawn fishing industry in the Gulf of Carpentaria is worth $100 million/year and a large proportion of this is from catches of banana prawns. In one stage of their complex life history, banana prawn larvae are carried by ocean currents from their spawning grounds to the estuarine nursery areas.

The aim of this project was to define the currents that carry the larvae so that the life history can be more fully understood and various biological hypothesis concerning the banana prawn and in particular the behaviour of larvae can be fully tested. To achieve these goals a mixture of field work and theoretical modelling and cooperation between physical oceanographers and fisheries biologists was required.

Workshops on analytical techniques for trace concentrations of heavy metals in marine tissues

Project number: 1978-016
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1979 - 31 Dec 1979
Contact:
FRDC

Objectives

1. Determine the most accurate, reliable and practicable techniques of measuring trace amounts of zinc, cadmium, lead, copper, arsenic, selenium and chromium in fish and other marine tissue

Research on technology of processing rock lobster in relation to drowning before tailing

Project number: 1977-037
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1978 - 31 Dec 1978
Contact:
FRDC

Objectives

1. Investigate whether significant detectable differences exist between lobster tails from animals drowned before tailing and those tailed alive

Electrophoretic identification of fish species or Salmon on Friday but Barramundi

Project number: 1977-036
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1979 - 31 Dec 1979
Contact:
FRDC

Objectives

1. Investigate the characteristic banding patterns of fish proteins obtained by electrophoresis with a view to establishing a library of identification for Australian species

Working Group on Mercury in fish Report on mercury in fish and fish products

Project number: 1977-031
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1978 - 31 Dec 1978
Contact:
FRDC

Objectives

1. Evaluate a likely technique that would be accurate yet practicable for measuring trace quantities of mercury in fish for use as the reference method for comparison of other methods of analysis used in Australia

Pre-management investigations into the Barramundi Lates calcarifer in Northeast Queensland waters

Project number: 1977-010
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1981 - 31 Dec 1981
Contact:
FRDC

Objectives

1. Study the growth, distribution, migrations, genetic composition, spawning, feeding and maturation of barramundi in selected river systems.
2. Initiate experimental management procedures in the Northern Territory.

Ecology of coastal reefs: the nurseries of juvenile western rock lobsters

Project number: 1976-020
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1979 - 31 Dec 1979
Contact:
FRDC

Objectives

1. Identify the major food species of rock lobsters on nursery reefs.
2. Examine the nutritional value of food species and their production, and the role of predators and competitors in the ecology of juvenile rock lobsters on coastal reefs

Population dynamics workshop on banana prawns and scallops

Project number: 1975-008
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1976 - 31 Dec 1976
Contact:
FRDC

Objectives

1. Instruct fisheries officers in the use of population dynamics data for calculating yield and cost curves for banana prawns and scallops.
2. Illustrate the application of the principles of population dynamics to the management of the fisheries
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