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Development of "guidance" for conducting stock assessments in Australia

Project number: 2021-077
Project Status:
Current
Budget expenditure: $97,000.00
Principal Investigator: Thor Saunders
Organisation: Department of Agriculture and Fisheries (NT)
Project start/end date: 31 Dec 2021 - 29 Jun 2023
Contact:
FRDC

Need

Australia’s fisheries research agencies all conduct stock assessments of varying complexities to assess the status of key fish stocks. However, the modelling approaches taken, data analyses that underpins the stock assessments and the level of peer review that is undertaken are variable (Dichmont et al. 2018, Haddon et al. 2018). The Status of Australian Fish Stocks (SAFS; Flood et al. 2016) program has aimed to make the reporting of these assessments consistent among jurisdictions. Additionally, in recognition of the data limited nature of many of the species being assessed in SAFS there has also been work undertaken to train jurisdictional stock assessment staff in data limited stock assessment techniques (Haddon et al. 2019). However, while there are a substantial amount of modelling tools available, most jurisdictions have stock assessment scientists that are model users rather than developers. Consequently, there is a need to provide guidance on how to use these appropriately so as to strengthen the quality of the outputs of the models. Developing guidance (defined as help and advice about how to do something or about how to deal with problems) is important and a set of stock assessment guidelines that describes each method currently used in Australia, outlines the method, required biological and fishery data, levels of uncertainty, and pros and cons is an important facet to demonstrating best practice in management of Australia’s fisheries. The guidance will provide transparency in the modelling process and has the potential to remove or moderate controversy regarding modelling outputs and the resulting management implications. This guidance (hereafter guidelines) are not intended to be prescriptive but provide guidance on a suite of methods from full-blown bioeconomic models and integrated assessments (e.g., SS3) through to data-poor approaches such as catchMSY.

Objectives

1. Develop a set of stock assessment guidelines to assist stock assessment processes being undertaken by all jurisdictions.
2. Evaluate the need for a national stock assessment working group to provide updates to the guidelines (for example as new modelling approaches are developed) and to address ongoing jurisdictional stock assessment issues.
Environment
Communities
PROJECT NUMBER • 2018-115
PROJECT STATUS:
COMPLETED

National tropical oyster aquaculture workshop - Darwin 2018

The first national workshop on tropical oyster aquaculture was held in Darwin on 22 to 23 October, 2018 at the Waterfront Campus of Charles Darwin University (CDU). The workshop brought together representatives from Aboriginal communities, industry, government agencies, and Australian and...
ORGANISATION:
Department of Agriculture and Fisheries (NT)
SPECIES
Environment
PROJECT NUMBER • 2017-125
PROJECT STATUS:
COMPLETED

FishPath: Tailoring Management to Context in Data-Limited Fisheries

Fisheries are increasingly managed with involvement of fishers and other stakeholders. Stakeholders are especially critical where managers lack full knowledge of the system to be managed, resources to gather additional information, and/or resources to monitor and enforce compliance. Such...
ORGANISATION:
Department of Agriculture and Fisheries (NT)
Industry
PROJECT NUMBER • 2012-223
PROJECT STATUS:
COMPLETED

Tactical Research Fund: Assessment of heavy metals in tropical rock oysters (blacklip and milky) and implications for placement into the Australian seafood market and for Indigenous enterprise development in the NT.

This small, but extensive, sampling survey was conducted on South Goulburn Island, located off West Arnhem Land in the Northern Territory (NT) to assess the occurrence of heavy metals (both spatially and temporally) in tropical blacklip (Saccostrea mytiloides) and milky (Saccostrea mordax) oysters....
ORGANISATION:
Department of Agriculture and Fisheries (NT)
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