Gómez Toledo, J.A., L.T., Espinosa Carreón, C., Quiñonez Velázquez, A.I., De la Cruz Ruíz, R.J., Flores Anaya, E., Álvarez-Trasviña, U., Jakes Cota & L., Morales Hernández (2024). Spatio-temporal characterization of the gulf of california as a fisheries zone using remote sensing variables. 24th Annual Trinational Sardine & Small Pelagics Forum. Ensenada, BC, México, mayo 21 - 22, 2024, 1.
Josue Alejandro Gómez Toledo 1, Leticia Teresa Espinosa Carreón 1, Casimiro Quiñonez Velázquez 2, Arturo I. De la Cruz Ruíz 1, Ricardo Javier Flores Anaya 3, Eduardo Álvarez-Trasviña 3, Ulianov Jakes Cota 2 y Lisset Morales Hernández 3
The Gulf of California stands out as a culturally transformed natural heritage due to its physico-biological dynamics and the diversity of resources it sustains. Diverse biological communities adapted to this region can be found here, and these organisms are crucial for both local communities and ecosystem dynamics. Two variables were analyzed using satellite sensors: sea surface temperature (SST) and satellite-derived chlorophyll (Chlsat) during the period 2000-2022. Regarding SST, a maximum average was recorded in 2015 due to the overlap of two warm events: the warm phase of the El Niño-Southern Oscillation (ENSO) and The Blob. The minimum average was observed in 2011 during the cold phase of SOI (La Niña). The monthly temperature variability has shown a general decrease and a trend towards an increase in recent years, with an average temperature range of 23-27 °C in the gulf, being higher in summer and lower in winter. In terms of phytoplankton biomass, the highest values were found on the eastern coast of the gulf, the major islands, and the northern part. During winter, the highest Chlsat values were recorded, primarily in March and April. These values tend to increase throughout the gulf, especially from the mouth, while the lowest average values were observed in summer, with exceptions in the northern region and the major islands where average values exceed 3 mg m-3.
Palabras clave: Remote sensing variable; Gulf of California
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