Análisis de la pesca del mero Epinephelus morio
The red grouper fishery is in its decline phase presenting an average annual catch of 8191 t during the 1999 to 2003 period. Through these years Cuban fleet has reduced its fishing area toward the oriental region of the Campeche Bank while the artisanal fleet extended, increasing the overlap of sizes catched by the arisanal-industrial and artisanal-cuban fleets. The size composition of the catch shows that most of the fishes are captured before first maturation size. First catch age is 2 years, and complete fishery recruitment is at age 3 (age of first maturation), this being a factor against fishing sustainability and forcing adoption of management strategies. The natural mortality is calculated (M) for the each age in the fishery by the function Y = 2.73634 e - 0.31985 X, to avoid estimation biases and to show the differences in mortality between the red grouper development stages. The analysis of catchability (q) showed changes in fishing strategies and an increment in hi.....
- 2. Tesis (CIP)