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  • 1.
    Jabado, Rima W.
    et al.
    Environm Agcy Abu Dhabi, United Arab Emirates;Gulf Elasmo Project, United Arab Emirates.
    Kyne, Peter M.
    Charles Darwin Univ, Australia.
    Pollom, Riley A.
    Simon Fraser Univ, Canada.
    Ebert, David A.
    Moss Landing Marine Labs, USA.
    Simpfendorfer, Colin A.
    James Cook Univ, Australia.
    Ralph, Gina M.
    Old Dominion Univ, USA.
    Al Dhaheri, Shaikha S.
    Environm Agcy Abu Dhabi, United Arab Emirates.
    Akhilesh, K. V.
    ICAR Cent Marine Fisheries Res Inst, India.
    Ali, Khadeeja
    H Whitewaves, Maldives.
    Ali, Mohamud Hassan
    Fed Minist Fisheries & Marine Resources, Somalia.
    Al Mamari, Tariq M. S.
    Minist Agr & Fisheries, Oman.
    Bineesh, K. K.
    Zool Survey India, India.
    El Hassan, Igbal S.
    Univ Bahri, Sudan.
    Fernando, Daniel
    Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. Blue Resources Trust, Sri Lanka.
    Grandcourt, Edwin M.
    Environm Agcy Abu Dhabi, United Arab Emirates.
    Khan, Muhammad Moazzam
    WWF Pakistan, Pakistan.
    Moore, Alec B. M.
    RSK Environm Ltd, UK.
    Owfi, Fereidoon
    Iranian Fisheries Sci Res Inst, Iran.
    Robinson, David P.
    Sharkwatch Arabia, United Arab Emirates.
    Romanov, Evgeny
    Ctr Tech Appui Peche Reunionnaise CAP RUN, France.
    Soares, Ana-Lucia
    Gulf Elasmo Project, United Arab Emirates.
    Spaet, Julia L. Y.
    Univ Cambridge, UK.
    Tesfamichael, Dawit
    Syst Anal Res, Canada.
    Valinassab, Tooraj
    Iranian Fisheries Sci Res Inst, Iran.
    Dulvy, Nicholas K.
    Simon Fraser Univ, Canada.
    Troubled waters: Threats and extinction risk of the sharks, rays and chimaeras of the Arabian Sea and adjacent waters2018In: Fish and Fisheries, ISSN 1467-2960, E-ISSN 1467-2979, Vol. 19, no 6, p. 1043-1062Article in journal (Refereed)
    Abstract [en]

    The extinction risk of sharks, rays and chimaeras is higher than that for most other vertebrates due to low intrinsic population growth rates of many species and the fishing intensity they face. The Arabian Sea and adjacent waters border some of the most important chondrichthyan fishing and trading nations globally, yet there has been no previous attempt to assess the conservation status of species occurring here. Using IUCN Red List of Threatened Species Categories and Criteria and their guidelines for application at the regional level, we present the first assessment of extinction risk for 153 species of sharks, rays and chimaeras. Results indicate that this region, home to 15% of described chondrichthyans including 30 endemic species, has some of the most threatened chondrichthyan populations in the world. Seventy-eight species (50.9%) were assessed as threatened (Critically Endangered, Endangered or Vulnerable), and 27 species (17.6%) as Near Threatened. Twenty-nine species (19%) were Data Deficient with insufficient information to assess their status. Chondrichthyan populations have significantly declined due to largely uncontrolled and unregulated fisheries combined with habitat degradation. Further, there is limited political will and national and regional capacities to assess, manage, conserve or rebuild stocks. Outside the few deepsea locations that are lightly exploited, the prognosis for the recovery of most species is poor in the near-absence of management. Concerted national and regional management measures are urgently needed to ensure extinctions are avoided, the sustainability of more productive species is secured, and to avoid the continued thinning of the regional food security portfolio.

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