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Updated: Jun 23, 2026

A Standardized Procedure for Monitoring Harmful Algal Blooms in Chile by Metabarcoding Analysis
Published on: August 26, 2021
[Algal blooms at Banderas Bay, México (2000-2001), from SeaWiFS-sensor-data]
María C Gómez-Villarreal1, Marcos D Martínez-Gaxiola, José L Peña-Manjarrez
1Centro de Estudios Tecnológicos del Mar No. 6, Coral No. 2, La Cruz de Huanacaxtle, Nayarit, 63732, México. cetmar06_invest@sep.gob.mx
Abstract:
Algal blooms for the period of 2000 and 2001 at Banderas Bay, México, were analyzed from SeaWiFS-ocean-color-sensor derived information. These events were related with the maximum chlorophyll week anomalies (ASi; a proxy variable constructed for the analysis of chlorophyll temporal variation in the bay). The winter-spring blooms were multispecific, while the summer-fall blooms were monospecific. Two proposals are made: (1) Winter-spring blooms are strongly related with mesoescale processes, due to their apparent temporal synchrony with the high chlorophyll levels in the coastal region from Sinaloa to Jalisco states; (2) Cochlodinium polykrikoides (Margalef 1961) blooms during the summer-fall periods could be induced by local conditions and the influence of previous events on the ecosystem.
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