1. Alvarez I, Lorenzo MN, deCastro M (2012) Analysis of chlorophyll a concentration along the Galician coast: seasonal variability and trends. ICES J Mar Sci 69:728–738. https://doi.org/10.1093/icesjms/fss045
2. Álvarez-Salgado XA, Figueiras FG, Fernandez-Reiriz MJ, Labarta U, Peteiro L et al (2011) Control of lipophilic shellfish poisoning outbreaks by seasonal upwelling and continental runoff. Harmful Algae 10:121–129. https://doi.org/10.1016/j.hal.2010.08.003
3. Anderson DM, Fensin E, Gobler CJ, Hoeglund AE, Hubbard KA et al (2021) Marine harmful algal blooms (HABs) in the United States: history, current status and future trends. Harmful Algae 102:101975. https://doi.org/10.1016/j.hal.2021.101975
4. Anon (2017) Community guide to the principles of good practice for the microbiological classification and monitoring of bivalve mollusc production and relaying areas with regard to Regulation 854/2004. https://ec.europa.eu/food/system/files/2018-12/biosafety_fh_guidance_community_guide_bivalve_mollusc_monitoring_en.pdf. Accessed 2021–07–15
5. AOAC (1990) Paralytic shellfish poison. Biological method. Final action. In Hellrich, K. (ed) Official method of analysis. 15th Edition, Sec 959.08. Association of Official Analytical Chemists (AOAC), Arlington, Virginia, USA., pp. 881–882. ISBN-13: 978–093558467–7