Oil and fat in water during sardine fishing maneuver in southern Gulf of California and its possible effect on seabirds
DOI:
https://doi.org/10.33064/iycuaa2026988634Keywords:
Small pelagic, associated marine fauna, organic and inorganic lipid compounds, adverse effects, plumageAbstract
The main objective was to determine whether the fishing maneuver to capture small pelagic fishes releases compounds such as oils and fats, in quantities enough to cause damage to the associated seabirds. Two water samples were taken from each trip, one at the beginning of the haul (without catch) and the other during the haul (with catch). The concentration of oils and fats in the water was determined using Soxhlet method. Wilcoxon signed-rank test and Spearman correlation test were conducted. Mean oil and fat values were low (0.0 – 47.2 g/ml); the statistical analysis results indicated that there were no significant differences in most before and after maneuver concentrations. The results found suggest that it is highly unlikely that fatty compounds measured during the maneuver could represent a risk to seabirds in this fishery.
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Copyright (c) 2026 Jesús Ramón Rendón-Martínez, Mercedes Laura Jacob-Cervantes, Emilio Romero-Beltrán, Diego Armando Osuna-Bernal, Ahtziri Romero-Correa, Pedro Miguel Medina-Osuna, Juan Antonio Mauricio-Payan
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