Enric Sala8, Kimberley A. Selkoe7, John J. Stachowicz11, Reg Watson12 [http://esanalysis.colmex.mx/Sorted%20Papers/2006/2006%20CAN%20GBR%20PAN%20SWE%20USA%20-Biodiv%20Phys.pdf Impacts of Biodiversity Loss on Ocean Ecosystem Services] 03.11.2006 Science Magazine}}{{הערה|Daniel DeNoon [http://www.cbsnews.com/news/salt-water-fish-extinction-seen-by-2048/ | Enric Sala8, Kimberley A. Selkoe7, John J. Stachowicz11, Reg Watson12 [http://esanalysis.colmex.mx/Sorted%20Papers/2006/2006%20CAN%20GBR%20PAN%20SWE%20USA%20-Biodiv%20Phys.pdf Impacts of Biodiversity Loss on Ocean Ecosystem Services] 03.11.2006 Science Magazine}}{{הערה|Daniel DeNoon [http://www.cbsnews.com/news/salt-water-fish-extinction-seen-by-2048/ |