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  Headlines -  Agriculture & food - Marine resources & aquaculture

Last Update: 06-05-15

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  Alien species play havoc with fish

Photo of article Researchers in Italy suggest that one of the main limits of spatially explicit forms of marine conservation, such as Marine Protected Areas (MPAs), is that they cannot protect areas from major threats, including coastal modifications and changes in hydrodynamic and sedimentary regimes, as well as the spread of exotic species. Alien species, in particular the green algae Caulerpa racemosa, have invaded the Mediterranean Sea and other MPAs, significantly impacting the feeding habits of demersal species, and in turn potentially affecting fish populations. The study, presented in the journal PLoS ONE, was funded in part by the PERSEUS ('Policy-oriented marine environmental research in the southern European seas') project, which has received almost EUR 13 million under the Environment Theme of the EU's Seventh Framework (FP7).

Published: 19 July 2012

  Scientists raise red flag on fish sustainability

Photo of article An international team of scientists has discovered that the effect of fishing for tuna and similar species since the early 1960s has led to a decline in these populations by around 60%. The study, presented in the journal Proceedings of the National Academy of Sciences, was funded in part by the METAOCEANS ('Elucidating the structure and functioning of marine ecosystems through synethesis and comparative results') project, which clinched a Marie Curie Early Stage Research Training (EST) grant worth EUR 2.23 million under the EU's Sixth Framework Programme (FP6). The results have raised red flags, highlighting how several fish species have been overexploited, and particularly how the majority of tuna fish have been exploited to the limits of sustainability.

Published: 22 February 2012

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