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  • Title: Climate-driven range expansion of a critically endangered top predator in northeast Atlantic waters.
    Author: Wynn RB, Josey SA, Martin AP, Johns DG, Yésou P.
    Journal: Biol Lett; 2007 Oct 22; 3(5):529-32. PubMed ID: 17650478.
    Abstract:
    Global climate change is driving rapid distribution shifts in marine ecosystems; these are well established for lower trophic levels, but are harder to quantify for migratory top predators. By analysing a 25-year sightings-based dataset, we found evidence for rapid northwards range expansion of the critically endangered Balearic shearwater Puffinus mauretanicus in northeast Atlantic waters. A 0.6 degrees C sea surface temperature increase in the mid-1990s is interpreted as an underlying controlling factor, while simultaneous northward shifts of plankton and prey fish species suggests a strong bottom-up control. Our results have important conservation implications and provide new evidence for climate-driven regime shift in Atlantic ecosystems.
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