39 results

Stable isotopes: a rapid method to determine lobster diet and trace lobster origin?

Project number: 2021-020
Project Status:
Completed
Budget expenditure: $31,890.00
Principal Investigator: John P. Keane
Organisation: University of Tasmania
Project start/end date: 30 Jun 2021 - 29 Jun 2022
Contact:
FRDC

Need

1. Tracing lobster origin
The need for determining whether stable isotopes are a useful tool for diet analysis and identification of catch location is a priority for the SRL fishery. If proved useful, this technology will allow for rapid identification and isolation of stock abnormalities – such as toxic algal blooms, which has potential to save a lot of time and money for fisheries management.

2. Invasive urchin controls
If results show that small lobsters do predate on urchins, this will be important for informing stock rebuilding targets and reference points relative to urchin control. Primarily we could advise on whether urchin control targets and performance indicators should be based on total lobster biomass or only large lobster biomass. For example, if small lobsters (140mm CL) are found to actively predate on small urchins, the pressure to rebuild the large lobster biomass (>140mm CL) may be reduced. This could in turn help to adapt the rebuild strategy, in line with effective urchin control.

Objectives

1. To determine the level of stable isotope variation within individual lobster tissues (e.g. muscle vs shell) and identify a non-lethal and minimally destructive method of sampling for stable isotopes.
2. To describe lobster diet off eastern Tasmania and quantify the role of smaller lobsters (&lt
140mm CL) in the predation and control of Longspined Sea Urchin in Tasmania.
3. To ascertain if stable isotopes can be used to identify catch location of individual lobsters post-harvest across SE Australia

Final report

ISBN: 978-1-922708-49-6
Authors: Jennifer E. Smith John Keane Michael Oellermann Craig Mundy & Caleb Gardner
Final Report • 2023-05-01 • 1.66 MB
2021-020-DLD.pdf

Summary

Scientists at IMAS conducted a stable isotope study on Southern Rock Lobster (Jasus edwardsii) collected from Southern Australian sites to determine whether or not capture site could be determined post-harvest.
Industry
PROJECT NUMBER • 2018-177
PROJECT STATUS:
COMPLETED

'If you don’t know where you are going, you’ll end up someplace else' - Future proofing the Australian Mud Crab Industry through improved strategic direction

BACKGROUND Australian mud crab fisheries extend from northern Western Australia (WA) across the Northern Territory (NT) and Queensland (Qld) through to northern New South Wales (NSW) and are managed across the four jurisdictions. The product from each jurisdiction is sold into a...
ORGANISATION:
C-AID Consultants
SPECIES
Industry
PROJECT NUMBER • 2020-126
PROJECT STATUS:
COMPLETED

Australian Agrifood Data Exchange (OzAg Data Exchange): Deliver an interconnected data highway for Australia's AgriFood value chain - Proof of concept

Pain point: The delay in exchange and reconciliation of catch data by fishers and processors means that there is a delay in quota accounting which impacts planning due to lack of timely information. Furthermore, with no access to pre-fishing information data to the processors means they are unable...
ORGANISATION:
Meat and Livestock Australia (MLA)
Environment
People
PROJECT NUMBER • 2023-089
PROJECT STATUS:
COMPLETED

Fisheries Management: From Science to Sustainable Practices (program development)

The Fisheries Capacity Building Network project, led by Ian Knuckey and funded through Department of Water and Environment (DAWE) aimed to drive more effective engagement in Commonwealth fisheries management processes by Indigenous, recreational and commercial fisheries representatives and concluded...
ORGANISATION:
Brentwood Kitchens Pty Ltd trading as Jenny Cook Consulting
People
PROJECT NUMBER • 2022-153
PROJECT STATUS:
COMPLETED

Fishing and Aquaculture Workforce Capability Framework

In 2023 RM Consulting Group (RMCG) was contracted by FRDC to develop a Fisheries and Aquaculture (F&A) Workforce Capability Framework (hereafter referred to as the Framework) that would be used as a high-level, standardised tool across all F&A sectors. The FRDC and other groups in leadership...
ORGANISATION:
RM Consulting Group (RMCG)
Adoption
PROJECT NUMBER • 2017-065
PROJECT STATUS:
COMPLETED

Disseminating existing bycatch reduction and fuel efficiency technologies throughout Australia's prawn fisheries

Prawn trawling is among the world's least selective fishing methods, the unintended consequence being large quantities of bycatch. It is also a method that can disturb benthic habitats and use large quantities of fuel—a significant running cost for many fisheries. Issues of bycatch and fuel...
ORGANISATION:
IC Independent Consulting Pty Ltd
Blank
PROJECT NUMBER • 2017-164
PROJECT STATUS:
COMPLETED

NCCP : 2018 Communications & Stakeholder Engagement Program

The present study, undertaken by Sefton Associates Pty. Ltd., was developed to investigate communication and stakeholder engagement in a manner that is professional, effective, respectful, accessible and transparent. The NCCP impacts a significant number of stakeholders, each with their...
ORGANISATION:
Sefton and Associates Pty Ltd
Industry
PROJECT NUMBER • 2018-024
PROJECT STATUS:
COMPLETED

Investigation and improvement of live Blue Swimmer Crab handling in NSW

This report presents pivotal findings from an in-depth investigation into optimising live handling practices for the commercial Blue Swimmer Crab (Portunus armatus) industry in New South Wales (NSW), with the overarching goal of unlocking high-value live trade opportunities. Initiated in...
ORGANISATION:
Department of Primary Industries (QLD)
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