The state and relative importance of drivers of fish population dynamics: An indicator-based approach

In a changing environment, the status of individual fish populations and consequently the fishing possibilities can change rapidly, not always for reasons directly related to fisheries. In order to take the ecosystem context into account in the management process and achieve consensus concerning fis...

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Bibliographic Details
Published in:Ecological indicators 2012-04, Vol.15 (1), p.248-252
Main Authors: Eero, Margit, Lindegren, Martin, Köster, Friedrich W.
Format: Article
Language:English
Subjects:
Agglomeration
Baltic Sea
Changing environments
Communication
Drivers
Dynamics
Ecosystem
ecosystems
Fish
fisheries
Fisheries management
Fishing
Indicators
population dynamics
Raw materials
stakeholders
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Summary:In a changing environment, the status of individual fish populations and consequently the fishing possibilities can change rapidly, not always for reasons directly related to fisheries. In order to take the ecosystem context into account in the management process and achieve consensus concerning fishing possibilities among stakeholders, it is important that the status of various drivers influencing fish stocks, and their relative impacts are broadly understood. In this paper, we demonstrate how indicators and their aggregation methodologies could assist to achieve this, using the central Baltic Sea as an example. The developed indicator framework provides a quick and visually effective way to track changes in the performance of drivers of fish stock dynamics and communicate the related consequences to a wider audience.
ISSN:1470-160X
1872-7034
DOI:10.1016/j.ecolind.2011.09.035