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    A risk assessment and prioritisation approach to the selection of indicator species for the assessment of multi-species, multi-gear, multi-sector fishery resources

    Access Status
    Fulltext not available
    Authors
    Newman, S.
    Brown, J.
    Fairclough, D.
    Wise, B.
    Bellchambers, L.
    Molony, B.
    Lenanton, R.
    Jackson, G.
    Smith, K.
    Gaughan, D.
    Fletcher, W.
    McAuley, R.
    Wakefield, Corey
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Newman, S. and Brown, J. and Fairclough, D. and Wise, B. and Bellchambers, L. and Molony, B. and Lenanton, R. et al. 2018. A risk assessment and prioritisation approach to the selection of indicator species for the assessment of multi-species, multi-gear, multi-sector fishery resources. Marine Policy. 88: pp. 11-22.
    Source Title
    Marine Policy
    DOI
    10.1016/j.marpol.2017.10.028
    ISSN
    0308-597X
    School
    Department of Environment and Agriculture
    URI
    http://hdl.handle.net/20.500.11937/61255
    Collection
    • Curtin Research Publications
    Abstract

    Assessing the stock status of mixed and/or multi-species fishery resources is challenging. This is especially true in highly diverse systems, where landed catches are small, but comprise many species. In these circumstances, whole-of-ecosystem management requires consideration of the impact of harvesting on a plethora of species. However, this is logistically infeasible and cost prohibitive. To overcome this issue, selected ‘indicator’ species are used to assess the risk to sustainability of all ‘like’ species susceptible to capture within a fishery resource. Indicator species are determined via information on their (1) inherent vulnerability, i.e. biological attributes; (2) risk to sustainability, i.e. stock status; and (3) management importance, i.e. commercial prominence, social and/or cultural amenity value of the resource. These attributes are used to determine an overall score for each species which is used to identify ‘indicator’ species. The risk status (i.e. current risk) of the indicator species then determines the risk-level for the biological sustainability of the entire fishery resource and thus the level of priority for management, monitoring, assessment and compliance. A range of fishery management regimes are amenable to the indicator species approach, including both effort limited fisheries (e.g. individually transferable effort systems) and output controlled fisheries (e.g. species-specific catch quotas). The indicator species approach has been used and refined for fisheries resources in Western Australia over two decades. This process is now widely understood and accepted by stakeholders, as it focuses fishery dependent- and/or independent-monitoring, biological sampling, stock assessment and compliance priorities, thereby optimising the use of available jurisdictional resources.

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