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Assessment of sábalo (Prochilodus lineatus) fisheries in the lower Paraná River basin (Argentina) based on hydrological, biological, and fishery indicators

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Academic year: 2019

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Fig. 1. Study area and the location of the main landing sites of the sábalo fisheries in the lower Paraná basin.
Fig. 2. Capture records of sábalo in the Paraná basin. The data taken from 1920 to 1988 were compiled by the National Agency of Freshwater Fisheries
Fig. 3. a) Variation of average flow from 1920 to 2009. b) Variation in the channel-connectivity index (CCI) from 1920 to 2009, expressed as a percent of the time that the water level surpasses the bankfull level (3 m)
Table 1. Fishing mortality (F), fishing mortality-natural mortality ratio (F/M), total mortality (Z), exploitation ratio (E) and megaspawner index (MI) estimated for different fishery years in analyzed landing sites.

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