26 results

Measuring the feeding range of western rock lobster and the effective fishing area of a baited pot

Project number: 1983-047
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1987 - 31 Dec 1987
Contact:
FRDC

Objectives

1. To determine the feeding range of western rock lobster panulirus cygnus George and to assess the fishing area of a commercial pot

Final report

Author: P. Jernakoff B.F. Phillips
Final Report • 1987-12-31 • 2.51 MB
1983-047-DLD.pdf

Summary

Food is a primary factor affecting the growth and survival of juvenile western rock lobsters in nursery areas. Determining how far juveniles travel when searching for food is essential in determining the size of area foraged and how much food is potentially available to them. Knowledge of foraging patterns and feeding activity of juvenile western rock lobsters is, therefore, required to understand their ecology.

Studies on natural foraging activity of rock lobsters are difficult. The animals feed at night and it is only possible for divers to observe a few animals. In addition, the natural behavior of rock lobsters is affected by the presence of divers. The lobsters hide from the divers in the seagrass beds instead of foraging.

Phillips et al. (1984) developed a method of remotely tracking juvenile western rock lobsters using electromagnetic tags. Natural foraging distances and activity can be determined by this method, enabling researchers to monitor the position of the tagged lobsters throughout the night.

The fisheries biology of scampi (Metanephrops spp)

Project number: 1985-082
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 27 Jun 1988 - 30 Jun 1988
Contact:
FRDC

Objectives

1. Obtain information on size, fishing & natural mortality, growth, reproduction & migration of the 3 scampi species - Metanethrops australiensis, andamanicus & boschmai - from existing NW slope fisheries. Document fishing withdrawals & fishing effort by typ

Final report

Author: B Wallner Dr B F Phillips L J Hobbs
Final Report • 2017-09-29 • 2.09 MB
1985-082-DLD.pdf

Summary

Scampi, or species of clawed lobsters of the genus Metanephrops, occur on the continental slopes of many countries in the world, however, prior to 1985 were commercially fished only in deep water off south east Africa, Metanephrops andamanicus and experimentally in the western Atlantic Ocean and Caribbean Sea, Metanephrops binghami.

The presence of scampi on the north west slope of Australia was first reported by the survey steamer Investigator in 1891, but it was not until 1985 that a commercial fishery based on three species of scampi (Metanephrops andamanicus, M. australiensis and M. boschmai) was developed.

Thee scant scientific knowledge of these species used to establish initial management plans for the fishery prompted the initiation of a CSIRO research program. This three year research program, which commenced in January 1986, aimed to collect fundamental information on the fisheries biology of these animals in order that a rational long term management strategy for the fishery could be designed.

Industry
PROJECT NUMBER • 1987-075
PROJECT STATUS:
COMPLETED

Development of more efficient traps for the North West Shelf fishery

1 A method was developed to rapidly assess the effectiveness of trap designs and identify the causes of differences in effectiveness. 2 Fish entry and escape probabilities are correlated across trap designs. The probabilities are very high for '0' and 'S' trap designs and are much lower for the 'Z'...
ORGANISATION:
CSIRO Oceans and Atmosphere Cleveland
Industry

Analysis of Taiwanese gill net data

Project number: 1987-019
Project Status:
Completed
Budget expenditure: $0.00
Organisation: CSIRO Oceans and Atmosphere Cleveland
Project start/end date: 28 Dec 1988 - 31 Dec 1988
Contact:
FRDC

Objectives

1. Analyse Taiwanese gill-net catch/effort & observer generated data sets.
2. Development model for northern shark fishery, predict recovery rate & pattern following cessation of gill-netting 1986.
3. Publication of all data on northern gill-net fishery for reference by industry
Industry
Adoption
Environment
Environment
View Filter

Research

Organisation