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Collapse of the echinoid Paracentrotus lividus populations in the Eastern Mediterranean—result of climate change?
Yeruham, E.; Rilov, G.; Shpigel, M.; Abelson, A. (2015). Collapse of the echinoid Paracentrotus lividus populations in the Eastern Mediterranean—result of climate change? NPG Scientific Reports 5(13479): 6 pp. hdl.handle.net/10.1038/srep13479
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322, more
Peer reviewed article  

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Keywords
    Paracentrotus lividus (Lamarck, 1816) [WoRMS]; Marine

Authors  Top 
  • Yeruham, E.
  • Rilov, G.
  • Shpigel, M.
  • Abelson, A.

Abstract
    The European purple sea urchin (Paracentrotus lividus) is considered to be a key herbivore throughout its distribution range—North-East Atlantic and Mediterranean Sea. It was also abundant in its eastern distributional edge, on rocky habitats of the coastline of Israel, but its populations have recently collapsed, and today it is an extremely rare species in the region. Field and laboratory experiments, that were carried out in order to examine the impact of the recent sea surface temperature rise in the Eastern Mediterranean, showed massive urchin mortality when temperatures crossed 30.5?°C before reaching peak summer values. These results suggest that elevated seawater temperatures in recent years may be a main cause for the disappearance of P. lividus from the southeast Mediterranean Sea, which may indicate distributional range contraction in this region.

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