US East coast shark populations improving
The survey began in 1986 and is conducted every two to three years. It covers coastal waters from Florida, where coastal shark species concentrate during the winter and spring, north to Delaware, where many shark species migrate during spring and summer as more northerly waters warm. Following this migratory route, at this time of year, makes it easier to survey the whole population.
During their field work this summer NOAA scientists tagged 2,835 sharks, compared to the 1,831 tagged in the previous survey done in 2012.
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