12 results
Environment
PROJECT NUMBER • 1985-077
PROJECT STATUS:
COMPLETED

Resource monitoring of the jack mackerel purse seining fishery in south-eastern Australia

This program has collected data on the development and performance of the fishery, as well as biological data relevant to assessment of the impact of fishing on the exploited population. The development and operation of the fishing and processing sectors of the fishery are described as are the...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
TAGS
Stock Assessment
Industry
PROJECT NUMBER • 1987-069
PROJECT STATUS:
COMPLETED

Development of alternative fishing practices for the harvesting of wild and re-seeded scallop beds in Tasmania

OBJECTIVES: a. To determine the efficiency of Beam, Triple and Prawn trawling methods for the harvesting of scatlops. b. To investigate the difference in efficiency between the sputnik dredge and the Japanese Keta-ami dredge. c. To investigate the difference in bottom damage between the sputnik and...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
TAGS
Harvest Strategy
Environment
PROJECT NUMBER • 1986-045
PROJECT STATUS:
COMPLETED

Assessment of demersal fish resources of the south western sector

Catch statistics for 13 species from commercial and research trawls conducted between 1979 and 1984 in the southern areas of the South-East Trawl fishery are examined. Catch and catch per swept area from demersal trawls were stratified by position, depth and month and shots were subsequently...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
TAGS
Stock Assessment
Environment
PROJECT NUMBER • 1995-066
PROJECT STATUS:
COMPLETED

Assessment of optimal trapping techniques to control densities of northern Pacific seastars on marine farm leases

The principal aims of this study were to evaluate whether the locally­ produced Whayman-Holdsworth trap provides an effective method for minimising Asterias amurensis infestations on shellfish farms, and to objectively assess the value of seastar traps when used in commercial applications. In an...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
TAGS
Resource Access And Allocation
Environment
PROJECT NUMBER • 1988-094
PROJECT STATUS:
COMPLETED

The development of new techniques for assessing and managing the Australian abalone fisheries

In studies of blacklip abalone (Haliotis rubra) in Tasmania conducted during 1983 to 1987, Jeremy Prince and his research team made several important findings concerning the biology and fishery management of this species. These include: Rate of deposition of growth layers in the shell is...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
Environment
Industry
Blank
PROJECT NUMBER • 2022-075
PROJECT STATUS:
COMPLETED

National Workshop to develop a regional collaborative plan to control the invasive Longspined Sea Urchin (Centrostephanus rodgersii)

The 2023 National Centrostephanus Workshop was convened by the Department of Natural Resources and Environment Tasmania. The workshop brought together 130 representatives from industry, government, research, Aboriginal communities, recreational fishing groups, and the community to: • Identify...
ORGANISATION:
Department of Natural Resources and Environment Tasmania (NRE TAS)
TAGS
Rac Vic
SPECIES
Sea Urchins
Environment
Environment
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