Abstract
Scientific knowledge is lacking on marine species of economic and conservation importance, hindering their sustainable management. Local Ecological Knowledge (LEK) has the potential to provide valuable insights on large (spatial and temporal) scales, by drawing on the collective experiences of those who work closely with the taxa of interest. This study explored the status of shark population over time in four countries across eastern and southern Arabia (i.e. Kuwait, Bahrain, Oman and Yemen). Results indicate strong declines, with highly experienced fishermen reporting greater perceived declines (80%) in the abundance of sharks (in general), with mean year of perceived decline starting in the late 1990s to early 2000s. For three specific taxa investigated, hammerhead sharks (e.g. Sphyrna mokarran) had the greatest mean perceived decline (80%), while even the group with the least decline (small carcharhinids) had mean perceived declines of 50%. Management measures are urgently required in the region to ensure sustainability of historic shark fisheries that provide food security and coastal livelihoods (e.g. Yemen and Oman), and to prevent regional extinctions (e.g. hammerhead sharks). Older and more experienced fishermen who are both; witness to the greatest declines and may have local standing and influence could be valuable resources in developing more community-based sustainable fisheries, especially given the apparent lack of success of formal management measures.
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