43 results
Environment
PROJECT NUMBER • 1978-043
PROJECT STATUS:
COMPLETED

Abalone population dynamics studies and reef area estimation

Most Australian abalone fisheries are fully exploited and a comparison of the total catch of blacklip abalone, Haliotis ruber, in the three south-eastern states indicates a decline in population size from south to north. The catch distribution from New South Wales parallels that trend. This decline...
ORGANISATION:
Department of Primary Industries and Regional Development (NSW)
TAGS
Stock Assessment
Reproduction
Mortality
Migration
Habitat
Environment
Industry
PROJECT NUMBER • 1985-075
PROJECT STATUS:
COMPLETED

Prawn farming pond management

The bioassay section of this study provides, for the first time, estimations of lethal and growth reducing concentrations for the major production-limiting water quality variables for P. monodon. These critical concentrations were assessed using comparable experimental facilities and procedures....
ORGANISATION:
Department of Primary Industries and Regional Development (NSW)
TAGS
Stock Assessment
Population Dynamics
Aquaculture
Environment
Environment
Environment
Environment
Environment
PROJECT NUMBER • 1986-064
PROJECT STATUS:
COMPLETED

A preliminary assessment of the rock lobster fishery in New South Wales

The objectives of this study were to determine whether catch rates of rock lobsters in the commercial fishery off New South Wales were declining, the size and species composition of catches from the commercial fishery and to ascertain the smallest length at which 50% of female eastern rock lobsters,...
ORGANISATION:
Department of Primary Industries and Regional Development (NSW)
TAGS
Stock Assessment
Reproduction
Population Dynamics
Mortality
Fishing Effort
Environment
Environment
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