Guidelines for monitoring of phytoplankton species composition, abundance and biomass.
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Long-term monitoring has enabled determination of the annual phytoplankton succession and facilitates the recognizing of aberrant phenomena and their progression in the phytoplankton community (e.g. Hajdu et al. 2006, Fleming & Kaitala 2006, Klais et al. 2011, Majaneva et al. 2012, Olli et al. 2013). Phytoplankton monitoring also provides data on the biodiversity of phytoplankton communities (Uusitalo et al. 2013, Hällfors 2013, Olli et al. 2014), on harmful taxa (Leppänen et al. 1995, Wasmund 2002), and makes possible the detection of invasive alien species (Olenina et al. 2010). In addition, phytoplankton indicators derived from the monitoring data can be used for assessing the status of the marine environment (Uusitalo et al. 2013, Lehtinen et al. 2016, Wasmund et al. 2017). Phytoplankton species composition, abundance and biomass are monitored by counting phytoplankton from preserved water samples using the Utermöhl inverted light microscopical method (Utermöhl 1958), by the releva.....
Sustainable Development Goals (SDG)14.a
Essential Ocean Variables (EOV)Phytoplankton biomass and diversity
Spatial CoverageBaltic Sea
CitationHELCOM (2021) Guidelines for monitoring of phytoplankton species composition, abundance and biomass, Helsinki, Finland, HELCOM, 22pp. DOI: http://dx.doi.org/10.25607/OBP-1822