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    Microzooplankton, the missing link in Finnish plankton monitoring programs.

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    Date
    2018
    Author
    Lipsewers, T.
    Spilling, K.
    
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    Abstract
    Finnish plankton monitoring is divided into phytoplankton and mesozooplankton sampling. Using the phytoplankton protocol, we included all organisms identified in samples from the Baltic Sea during spring (n = 125). The plankton was converted to carbon, and including all microscopy derived carbon (MDC), increased the carbon content by 22%, on average, compared with only phytoplankton. Particulate organic carbon (POC) and chlorophyll a (Chl a) were also measured, and the general relationship between MDC and POC was: slope = 1.04, intercept = 240 µg POC l–1, R2 = 0.66; for phytoplankton to Chl a: 0.037g Chl a (g MDC)–1, R2 = 0.68. Our results demonstrate that a variable fraction of the plankton biomass is not recorded in the monitoring programs. Most of the unaccounted biomass was ciliates, which constituted 14.1% ± 3.7% (mean ± maximum error) of the plankton biomass. Based on the results we recommend including microzooplankton in the existing phytoplankton monitoring program......
    Resource URL
    http://www.borenv.net/BER/pdfs/ber23/ber23-127-137.pdf
    Journal
    Boreal Environment Research
    Volume
    23
    Page Range
    pp.127–137
    Document Language
    en
    Essential Ocean Variables (EOV)
    Phytoplankton biomass and diversity
    Zooplankton biomass and diversity
    Best Practice Type
    Guide
    ISBN
    1797-2469 (online)
    Citation
    Lipsewers, T. and Spilling, K. (2018) Microzooplankton, the missing link in Finnish plankton monitoring programs. Boreal Environment Research, 23, pp.127–137. DOI: http://dx.doi.org/10.25607/OBP-402
    URI
    http://hdl.handle.net/11329/853
    http://dx.doi.org/10.25607/OBP-402
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