OSPAR CEMP Guideline. Common indicator PH3 “Changes in Plankton Diversity”.Adopted by BDC(2) 2022, OSPAR Agreement 2019-07. Updated 2023.
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Date
2023Corporate Author
OSPAR Commission
Status
PublishedPages
15pp.Metadata
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Species composition and abundance of plankton assemblages are influenced by environmental conditions and their variability, such as available light, nutrients, prey, currents and climate. As a result, plankton communities fluctuate in space and time. Environmental perturbations such as pollution and/or eutrophication (i.e. excessive nutrients) can create unusual marked changes in community composition because only a small number of species can cope with/benefit rapidly from the new situation. In the Baltic Sea, for example, phytoplankton species composition has been observed to change with different nutrient levels and ratios (HELCOM, 2017 and references therein).
Monitoring plankton diversity is important since long-term and drastic changes in biodiversity can alter marine ecosystems in terms of their functioning, such as food webs and the uptake and transfer of carbon in the oceans, and the services they provide. In order to quantify changes in biodiversity, indices based on the num.....
Publisher
OSPAR CommissionLondon, UK
Document Language
enSustainable Development Goals (SDG)
14.aEssential Ocean Variables (EOV)
Zooplankton biomass and diversityPhytoplankton biomass and diversity
Maturity Level
MatureCitation
OSPAR Commission (2023) OSPAR CEMP Guideline. Common indicator PH3 “Changes in Plankton Diversity”. Adopted by BDC(2) 2022, OSPAR Agreement 2019-07. Updated 2023. London, UK, OSPAR Commission, 15pp. DOI:Collections
- ECOBPSS Practices [144]
- OSPAR Community Practices [12]
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