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Science 1 June 2007:
Vol. 316. no. 5829, p. 1285
DOI: 10.1126/science.1139114
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Technical Comments

Comment on "Impacts of Biodiversity Loss on Ocean Ecosystem Services"

Franz Hölker,1* Doug Beare,1 Hendrik Dörner,1 Antonio di Natale,2 Hans-Joachim Rätz,3 Axel Temming,4 John Casey5

Worm et al. (Research Articles, 3 November 2006, p. 787) investigated the importance of biodiversity to marine ecosystem services across temporal and spatial scales. In projecting the extent of future fisheries collapse, we argue that the authors inappropriately extrapolated beyond their available observations and used data on marine reserves and fishery closures that are not representative of global fisheries.

1 European Commission, Directorate General Joint Research Centre, Institute for the Protection and Security of the Citizen, Agriculture and Fisheries Unit, TP 051, 21020, Italy.
2 Aquastudio Research Institute, Via Trapani 6, Messina 98121, Italy.
3 Institute for Sea Fisheries, Federal Research Centre for Fisheries, Palmaille 9, Hamburg 22767, Germany.
4 Institute of Hydrobiology and Fishery Science, University of Hamburg, Olbersweg 24, Hamburg 22767, Germany.
5 Lowestoft Laboratory, Centre for Environment, Fisheries, and Aquaculture Science, Pakefield Road, Lowestoft, NR33 0HT, UK.

* To whom correspondence should be addressed. E-mail: franz.hoelker{at}jrc.it

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