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Towards the Early Detection of Gymnodinium catenatum Algal Blooms in the Northern Gulf of California
GABRIELA RESENDIZ COLORADO
Ernesto Garcia-Mendoza
Antonio Almazán Becerril
Jennifer Medina Elizalde
JUSHIRO CARLOS ADOLFO CEPEDA MORALES
Juan Pablo Rivera Caicedo
Acceso Abierto
Atribución-NoComercial-SinDerivadas
10.3390/jmse11091793
HAB SATELLITE DETECTION
GYMNODINIUM CATENATUM
NORTHERN GULF OF CALIFORNIA
HARMFUL ALGAL BLOOMS
OCEAN COLOR
The annual occurrence of harmful algal blooms (HABs) of the dinoflagellate Gymnodinium catenatum in the northern Gulf of California (NGC) during winter and spring has negative ecological, economic, and social impacts on the local coastal population. G. catenatum produces paralytic shellfish toxins, and a robust monitoring program of the species is necessary to sustain mitigation actions against their detrimental effects. Here, we applied the maximum-likelihood classification (MLC) method to classify satellite images from MODIS and Sentinel-3 to evaluate their effectiveness to detect G. catenatum. Different classes associated with the presence of the species were developed from data of two HABs that occurred in 2015 and 2017. Two classes derived from Sentinel-3 data from the 2017 HAB allowed the detection of this species. These Sentinel-3 classes adequately represented the temporal and geographical distribution of G. catenatum in the region and the no-bloom condition during the summer. The concordance between the detection of the Sentinel-3 classes on the west coast of the NGC and the recorded presence of G. catenatum (75% of concordance) in the area indicates that the MLC method could be applied for early detection of the species in the NGC, using Sentinel-3 full resolution images. © 2023 by the authors.
2023
Artículo
J. Mar. Sci. Eng. 2023, 11, 1793. https://doi.org/10.3390/ jmse11091793
Inglés
Reséndiz-Colorado, G.; García-Mendoza, E.; Almazán-Becerril, A.; Medina-Elizalde, J.; Cepeda-Morales, J.A.; Rivera-Caicedo, J.P. Towards the Early Detection of Gymnodinium catenatum Algal Blooms in the Northern Gulf of California. J. Mar. Sci. Eng. 2023, 11, 1793. https://doi.org/10.3390/ jmse11091793
BOTÁNICA MARINA
Versión publicada
publishedVersion - Versión publicada
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