Reply to Andersen et al.(2016) "Assumptions behind size-based ecosystem models are realistic".

Froese, Rainer , Walters, Carl, Pauly, Daniel, Winker, Henning, Weyl, Olaf L. F., Demirel, Nazli, Tsikliras, Athanassios C. and Holt, Sidney J. (2016) Reply to Andersen et al.(2016) "Assumptions behind size-based ecosystem models are realistic". Open Access ICES Journal of Marine Science, 73 (6). pp. 1656-1658. DOI 10.1093/icesjms/fsv273.

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In a recent publication (Froese et al., ICES Journal of Marine Science; doi:10.1093/icesjms/fsv122), we presented a critique of the balanced harvesting (BH) approach to fishing. A short section dealt with the size-spectrum models used to justify BH, wherein we pointed out the lack of realism of these models, which mostly represented ecosystems as consisting of a single cannibalistic species. Andersen et al. (ICES Journal of Marine Science; doi:10.1093/icesjms/fsv211) commented on our paper and suggested that we criticized size-spectrum models in general and that we supposedly made several erroneous statements. We stress that we only referred to the size-spectrum models that we cited, and we respond to each supposedly erroneous statement. We still believe that the size-spectrum models used to justify BH were highly unrealistic and not suitable for evaluating real-world fishing strategies. We agree with Andersen et al. that BH is unlikely to be a useful guiding principle for ecosystem-based fisheries management, for many reasons. The use of unrealistic models is one of them.

Document Type: Article
Additional Information: WOS:000379358600022
Keywords: balanced harvesting, ecosystem-based fisheries management, size-spectrum models, unrealistic model assumptions
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EV Marine Evolutionary Ecology
Refereed: Yes
Open Access Journal?: Yes
DOI etc.: 10.1093/icesjms/fsv273
ISSN: 1054-3139
Date Deposited: 02 Feb 2016 07:47
Last Modified: 01 Feb 2019 15:09

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