Abstract:
:Monthly phytoplankton samples were collected from January 2013 to December 2015 at a fixed sampling site in Bahía de La Paz, Gulf of California. During this study 26 samplings were Amphidinium cf. carterae positive. The highest densities of A. cf. carterae (754.2 × 103 to 1022.4 × 103 cells L-1) were recorded during a bloom detected in January 2015 when water temperatures were 20-22 °C. This dinoflagellate showed a well-marked seasonal variation, being found mainly from November to April. Blooms of the species were linked to the upwelled water due to the northwesterly wind. Cysts surrounded by a mucilaginous membrane of A. cf. carterae were found. We also observed these hyaline cysts inside zooplankton fecal pellets. Other benthic/tychoplanktonic dinoflagellates and diatoms, including some potentially toxic species were also found. The occurrence of blooms of A. cf. carterae in Bahía de La Paz could represent a risk for aquaculture activities and human health.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Gárate-Lizárraga I,González-Armas R,Verdugo-Díaz G,Okolodkov YB,Pérez-Cruz B,Díaz-Ortíz JAdoi
10.1016/j.marpolbul.2019.06.073subject
Has Abstractpub_date
2019-09-01 00:00:00pages
532-541eissn
0025-326Xissn
1879-3363pii
S0025-326X(19)30519-3journal_volume
146pub_type
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