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Environment
PROJECT NUMBER • 1995-103
PROJECT STATUS:
COMPLETED

Shark 'drop out rate' from hauling gill-nets in the southern shark fishery

Shark 'drop-out' is a term used by fishermen to describe the phenomenon where sharks fall out of shark gillnets during hauling operations. The term is distinguished from shark 'escapement' which is the phenomenon where sharks _struggle to free themselves from gillnets with a high probability of...
ORGANISATION:
Agriculture Victoria
TAGS
Stock Assessment
Offshore
Fishing Technology
Fishing Gear
Industry
Environment
Industry
Environment
PROJECT NUMBER • 2003-003
PROJECT STATUS:
COMPLETED

Spawning and reproductive characteristics of Bight redfish and deepwater flathead in the Great Australian Bight trawl fishery

This project addressed some of the important information gaps identified during assessment workshops for Bight redfish and deepwater flathead. Improved stock assessments, which incorporate the latest biological parameters (size-at-maturity, fecundity and sex ratio), has lead to the setting of...
ORGANISATION:
Agriculture Victoria
TAGS
Reproduction
Population Dynamics
Fishing Gear
Ageing
SPECIES
Deepwater Flathead
Bight Redfish
Industry
Environment
Environment
PROJECT NUMBER • 1991-037
PROJECT STATUS:
COMPLETED

Southern shark age validation

Gummy sharks and school sharks are aged by counting growth-increment bands on the articular faces of vertebrae stained with alizarin red. The age data are required for application of age-structured fishery assessment models used by the Southern Shark Fishery Assessment Group for stock advice to the...
ORGANISATION:
Agriculture Victoria
TAGS
Stock Assessment
Recreational Fishing
Habitat
Fishing Gear
Fisheries Management
Environment
Environment
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