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Formal report series, containing results of research and monitoring carried out by Marine Scotland Science

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The Use of Indicators for Shellfish Stocks and Fisheries: A Literature Review

doi: 
10.7489/1764-1

Scottish Marine and Freshwater Science Vol 7 No 16

In this report, we review the use of indicators in the assessment and advisory process and management of data limited stocks, both fish and shellfish, worldwide. For the purposes of the review, we define an ‘indicator’ as quantifiable information that acts as a proxy for, or can be related to the state of the stock (spawning stock biomass, demographic properties or recruitment) and anthropogenic pressure (fishing mortality). Measured (or derived) regularly, indicators are able to show changes in the state of the population or system and can give information on stock status and fishing mortality and support a data-limited stock assessment. Used alone or more often in combination, indicators can provide the means to assess progress towards one or more management objectives. We describe the derivation and theoretical basis of a variety of indicators which can be calculated from commercial fishery data, fishery-independent survey data and biological data, and the ways in which indicators are used in fisheries management. We give details on methods for selecting, evaluating and combining indicators, for developing management strategies, determining reference points and for the testing of harvest control rules (HCRs). We then consider examples of shellfish stocks worldwide for which an indicator-based approach has been applied. Finally, we consider candidate indicators for Scottish shellfish stocks and fisheries and discuss their development in the context of existing and potential future data collection programmes.

Citation: 
Miethe, T., Dobby, H. and McLay, H.A. (2016) The Use of Indicators for Shellfish Stocks and Fisheries: A Literature Review. Scottish Marine and Freshwater Science Vol 7 No 16, 78pp.
FieldValue
Publisher
Modified Date
2017-05-09
Release Date
2016-09-08
Identifier
247ddf09-18ec-4b1e-bfe4-168b6fbc26a1
Spatial / Geographical Coverage Location
Scotland
License
UK Open Government Licence (OGL)
Author
Miethe, T.
Data Dictionary

The work is part of research being carried out by Marine Scotland Science under a ROAME project SU0100, which is aimed at developing guidelines for the selection and application of appropriate indicators for shellfish fishery management. This work will also inform the development of indicators of good environmental status (GES) for shellfish as required under the Marine Strategy Framework Directive (MSFD) (EC, 2008b).

Contact Name
Marine Scotland
Contact Email
Public Access Level
Public