71
results
Environment
PROJECT NUMBER • 1997-111
PROJECT STATUS:
COMPLETED

Catch-at-age, age at first spawning, historical changes in growth, and natural mortality of SBT: an integrated study of key uncertainties in population biology and dynamics of SBT, based on direct estimates of age from otoliths

The CCSBT has recognized for a number of years that a better understanding of the population biology and demographics of southern bluefin tuna (SBT) is necessary for improved population modeling and stock assessments. In 1996, the CCSBT Scientific Committee identified three areas where our...
ORGANISATION:
CSIRO Oceans and Atmosphere Hobart
Industry
PROJECT NUMBER • 2000-212
PROJECT STATUS:
COMPLETED

Rock Lobster Enhancement and Aquaculture Subprogram: the nutrition of juvenile and adult lobsters to optimise survival, growth and condition

Research in FRDC RLEAS 98/303 established that tropical (Panulirus ornatus), southern (Jasus edwardsii) and western (Panulirus cygnus) rock lobsters readily consumed formulated pelleted dry feeds and exhibited a dose dependent growth response to dietary protein concentration. The derived optimum...
ORGANISATION:
CSIRO Oceans and Atmosphere Hobart
Industry
PROJECT NUMBER • 2000-206
PROJECT STATUS:
COMPLETED

Sustainable genetic improvement of Pacific oysters in Tasmania and South Australia

The Pacific oyster breeding project initiated in FRDC 97/321 was continued. Both mass selection and family selection procedures were employed. The main trait of interest was growth rate, although shell shape and condition index were also recorded. Families were monitored on five farms. Two were...
ORGANISATION:
CSIRO Oceans and Atmosphere Hobart
Environment
PROJECT NUMBER • 1997-139
PROJECT STATUS:
COMPLETED

Mesoscale oceanographic data analysis and data assimilative modelling with application to Western Australian fisheries

The more that is understood about the factors controlling the abundance of an exploited fish stock, the more optimally it can be harvested for sustainable yield and profit. It has been known for some time that catches of western rock lobster are closely related to the number of larvae surviving...
ORGANISATION:
CSIRO Oceans and Atmosphere Hobart
Industry
PROJECT NUMBER • 2016-049
PROJECT STATUS:
COMPLETED

IPA APFA: detection of pesticide impacts on larval prawns in hatcheries and presence in estuarine intake water

The use patterns of pesticides in Australia has changed over the last decade, with the use of pyrethroid and neonicotinoid insecticides increasing. The limited water quality data that is available has measured increased concentrations of the neonicotinoid insecticide imidacloprid in...
ORGANISATION:
CSIRO Oceans and Atmosphere Hobart
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