Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 436375
Title Indicators of fishing pressure and seafloor integrity
Author(s) Piet, G.J.; Hintzen, N.T.
Source ICES Journal of Marine Science 69 (2012)10. - ISSN 1054-3139 - p. 1850 - 1858.
DOI https://doi.org/10.1093/icesjms/fss162
Department(s) Vis
Visserij
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) monitoring-system data - trawl disturbance - vms data - fisheries - impacts - communities - support - metrics - power
Abstract This study calculates a suite of indicators reflecting the spatial extent of fishing and its impact on the seafloor and discusses the usefulness of these indicators to inform future management and the issues to consider. It explores several methods to calculate the indicators and shows that they can be informative to report on both fishing pressure and the status of the seafloor. However, although observed overall trends were robust against the specific method of calculation, the absolute values vary greatly with the calculation method. As both aspects are important from a policy perspective, agreement on the methodology to calculate the indicators is required. This study based on the Dutch Exclusive Economic Zone (EEZ) shows that it is possible to calculate indicators required to inform decision-makers on the pressure of fishing as well as the status of the seafloor pending a decision on the following issues: (i) choice of an appropriate grid cell resolution, (ii) use of interpolated VMS tracks instead of VMS position registrations, (iii) choice of an “intensity threshold” dependent on the benthic community recovery capacity, and (iv) the level of confidence required when assessing if an area is not impacted.
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