Objectives: 1. Acquire and install a complete instrument package (a) to make simultaneous measurements of trawl door spread, wing spread & headline height of bottom & pelagic trawls used during survey work 2. to make similar measurements on commercial trawl gear
Design And Development Of A New Purse Seining Method And Equipment
Funder
Fisheries Research and Development Corporation
Summary
Objectives: 1. Develop a safe, more efficient method of operating a purse seine net with minimum crew; design, build, install deck machinery; 2. prove method & equipment under commercial fishing conditions
Effects Of Trawling Subprogram: Development Of By-catch Reducing Prawn Trawl And Fishing Practices In NSW's Prawn Trawl Fisheries
Funder
Fisheries Research and Development Corporation
Funding Amount
$543,837.56
Summary
Objectives: 1. To develop and test a variety of modified prawn trawl gears 2. To investigate the impact on catch and bycatch due to increasing mesh size in fish trawls from 90mm to 100mm
BCA - Effects Of Trawling Subprogram: Development Of By-catch Reducing Prawn Trawl And Fishing Practices In NSW's Prawn Trawl Fisheries
Funder
Fisheries Research and Development Corporation
Funding Amount
$4,394.73
Summary
Objectives: 1. To develop and test a variety of modified prawn trawl gears 2. To investigate the impact on catch and bycatch due to increasing mesh size in fish trawls from 90mm to 100mm
Development Of Inshore Ring Netting Techniques For The Capture Of Squid And Jack Mackerel
Funder
Fisheries Research and Development Corporation
Summary
Objectives: 1. Assess commercial viability of inshore ring net fishery - squid & mackerel 2. (part of major TFDA project to develop commercial viability catching technique for arrow squid, inshore & in Bass Strait).
Assessing The Efficiency Of Alternative Pot Designs For The Southern Rock Lobster (Jasus Edwardsii) Fishery
Funder
Fisheries Research and Development Corporation
Funding Amount
$253,399.00
Summary
This project is an industry lead initiative aimed at investigating the potential for alternative pot designs to increase catch efficiency. All Southern Rock Lobster fisheries within Australia are now managed under total allowable commercial catches (TACCs). As a consequence, these fisheries are not regulated by controlling capture efficiency or fishing effort, so improving the catch efficiency of commercial fishing operations offers an opportunity to substantially improve net economic return wit ....This project is an industry lead initiative aimed at investigating the potential for alternative pot designs to increase catch efficiency. All Southern Rock Lobster fisheries within Australia are now managed under total allowable commercial catches (TACCs). As a consequence, these fisheries are not regulated by controlling capture efficiency or fishing effort, so improving the catch efficiency of commercial fishing operations offers an opportunity to substantially improve net economic return with minimal risk of compromising management effectiveness. Currently in South Australia, Southern Rock Lobster are captured with pots designed in line with State fishing gear regulations. However, alternative pot designs may have the potential to increase fleet efficiency through increased catch rates, thereby lowering overall operating costs. In order to assess the relative capture efficiency of alternative pot designs and any impacts to bycatch, catches per potlift of (i) legal size lobster (ii) undersized lobster (iii) spawning lobster; and (iv) bycatch need to be determined. In addition, if alternative pot designs are adopted, given the use of legal-size catch rate as the principal input to harvest strategy decision rules, legal size catch rate estimated from the alternative pots will need to be calibrated with that estimated from pots currently used in the fishery. If relative capture efficiency varies with overall catch rate, this will need to be estimated and subsequently incorporated, into new harvest strategy decision rules. Objectives: 1. Assess the catch efficiency of alternative pot designs for capturing Southern Rock Lobster through CPUE indices of (i) legal sized lobsters (ii) undersized lobsters (iii) spawning (ovigerous) female lobsters and (iv) primary bycatch species. 2. For one alternative pot design proposed by industry, develop and apply methods to calibrate alternative pot design raw CPUE for use in harvest strategy decision rules. Read moreRead less
Comparison Of The Engineering And Catching Performance Of Existing Prawn Trawls In The Spencer Gulf Prawn Fishery To Three New Prawn Trawl Designs
Funder
Fisheries Research and Development Corporation
Summary
Objectives: 1. Measure the engineering of six prawn trawl designs. 2. Investigate the change in drag & spread using different sized otterboards, the emphasis of the trials being reduced drag & increased performance in net opening
The WA Trap And Line Fishery On The North West Shelf
Funder
Fisheries Research and Development Corporation
Summary
Objectives: 1. Monitoring of the WA trap and line fishery on the NW Shelf to provide information base for future management of the fishery; 2. provide information to assess rehabilitation of multi-species stocks fished until recently.
The Methodical Introduction Of High Strength Netting To The Prawn Trawling Industry In Queensland
Funder
Fisheries Research and Development Corporation
Funding Amount
$106,900.00
Summary
The Australian Fishing Industry requires assistance in becoming a more efficient user of energy. Fishing with trawl gear expends more fuel per kg of fish landed compared to passive methods such as longlining and trap fishing. In all cases however, rising fuel prices impinge on the profitability of the operations, and ultimately put their viability in jeopardy; this has reach a critical situation for many trawl operators in Australia. This project to implement high strength netting and .... The Australian Fishing Industry requires assistance in becoming a more efficient user of energy. Fishing with trawl gear expends more fuel per kg of fish landed compared to passive methods such as longlining and trap fishing. In all cases however, rising fuel prices impinge on the profitability of the operations, and ultimately put their viability in jeopardy; this has reach a critical situation for many trawl operators in Australia. This project to implement high strength netting and demonstrate the positive outcomes for the prawn trawling industry has the intention of reducing the fuel used by fishing enterprises and shifting the industry towards a more economically viable and environmentally sustainable position. Specifically, research is required to document and define the difficulties/problems associated with using high strength netting in prawn trawling applications and develop solutions for its successful implementation; followed by quantification of the nett benefit achieved. This contributes to the R&D plans and strategies of all advisory bodies to the FRDC, since they contain high priority goals to achieve FRDC’s planned outcome for Industry Development, that: "The commercial sector of the Australian fishing industry is profitable, internationally competitive and socially resilient".
Objectives: 1. For commercial netting of 50mm nominal mesh size, measure and compare the dimensional, mechanical and hydrodynamic characteristics of 1.65mm twisted PE (24 ply), 1.0mm twisted Spectra and 1.1mm braided Dynema. 2. Compare the engineering and catching performance of three dual-rig prawn trawling systems; each configured to be compatible (“optimal”) respectively to the three netting types under investigation. Read moreRead less