Conservation and exploitation status of skate species (Batoidea: Rajidae) in the Balearic Islands, western Mediterranean.

The mean length of the catch (L mean ) followed an increasing trend and remained above the optimum length at first capture (Lc opt , 31 cm) since the start of the time series.

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The stock relative biomass (B/k) showed a decreasing trend from the start of the time series up to the late 1980s, when the lowest historical value was attained; since then, it showed a gradual increasing trend, which was markedly accelerated in the recent years, that drove relative biomass above the B MSY ( Fig 6B ).

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