Title

Investigation of the fishery biology and population status of the sandbar shark (Carcharhinus plumbeus, Nardo 1827) in Western Australian waters

Date of Award

1-1-2007

Degree Type

Thesis

Degree Name

Doctor of Philosophy

School

School of Natural Science

Faculty

Faculty of Computing, Health and Science

Abstract

The sandbar shark (Carchrarhinus plumbeus) is a commercially important shark species to fisheries around the world but is known to be highly susceptible to over·fishing. During the late 1990s, changes in the targeting practices of Western Australian demersal gillnet fishing vessels, and an expansion of targeted demersal longlining in the north of the State, caused a rapid escalation in C. plumbeus catches. This study therefore aimed to collect the biological and fishery data necessary to assess the impacts of increasing exploitation of the species and to develop biologically appropriate techniques for assessing the sustainability of these fishery developments.

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