Betekenis van:
phytoplankton

phytoplankton
Zelfstandig naamwoord
  • fytoplankton
  • photosynthetic or plant constituent of plankton; mainly unicellular algae

Hyperoniemen

Hyponiemen


Voorbeeldzinnen

  1. PTIot (Phytoplankton Taxa Index)
  2. Phytoplankton: parameter indicative of blooms
  3. Phytoplankton: parameter indicative of biomass
  4. Phytoplankton: parameter indicative of biomass (Chlorophyll a)
  5. Description of types that have been intercalibrated (applicable for phytoplankton only)
  6. Phytoplankton: parameter indicative of biomass parameter (Chlorophyll a) Results: Ecological quality ratios and parameter values
  7. The competent authority may take account of information on phytoplankton trends when taking this decision.
  8. This would include information on the phytoplankton and zooplankton communities, including the species and seasonal and geographical variability,
  9. Parameters like chlorophyll-a concentration, phytoplankton biovolume, percentage of cyanobacteria or depth limits of macroalgae and angiosperms do not cover full biological quality elements.
  10. This frequency may be reduced in specific areas, or for specific types of molluscs, if a risk assessment on toxins or phytoplankton occurrence suggests a very low risk of toxic episodes.
  11. When the bathing water profile indicates a tendency for proliferation of macro-algae and/or marine phytoplankton, investigations shall be undertaken to determine their acceptability and health risks and adequate management measures shall be taken, including information to the public.
  12. groups with fast turnover rates (e.g. phytoplankton, zooplankton, jellyfish, bivalve molluscs, short-living pelagic fish) that will respond quickly to ecosystem change and are useful as early warning indicators,
  13. For each region, sub-region or subdivision, taking into account the different species and communities (e.g. for phytoplankton and zooplankton) contained in the indicative list in Table 1 of Annex III to Directive 2008/56/EC, it is necessary to draw up a set of relevant species and functional groups, having regard to point 2 of Part A. The three criteria for the assessment of any species are species distribution, population size and population condition.