Ships' ballast water was sampled on 28 occasions in four ports between November, 1976, and October, 1978.
A 100.,u plankton net was hand hauled vertically 5 times in each tank. Eight non indigenous species were obtained: 6 copepods,
1 mysid and 1 amphipod. A further 14 species of...
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...
The Kingfish Stock Identification Project was instigated in 1985 to provide information on the stock structure of yellowtail kingfish relevant to management. At that time, the N.S.W. catch had more than doubled since 1982 to approximately 360 tonnes per annum and concern was expressed at the...