Contributors and references

This pre-core indicator and its threshold values are yet to be commonly agreed in HELCOM. 
The indictor is included as a test indicator for the purposes of the 'State of the Baltic Sea' report, and the results are to be considered as intermediate.

Contributors

Norbert Wasmund 1, Andres Jaanus 2, Marie Johansen 3, Janina Kownacka 4, Irina Olenina6

1 Leibniz Institute for Baltic Sea Research, Warnemünde, Germany (IOW)

2 Estonian Marine Institute, University of Tartu, Estonia (EMI)

3 Swedish Meteorological and Hydrological Institute, Västra Frölunda, Sweden (SMHI)

4 National Marine Fisheries Research Institute, Gdynia, Poland (NMFRI)

5 Environmental Protection Agency, Department of Marine Research, Taikos str 26, LT-91149, Klaipeda, Lithuania

 

Archive

This version of the HELCOM pre-core indicator report was published in July 2018:

Diatom-Dinoflagellate index HELCOM pre-core indicator 2018 (pdf)

Earlier versions of this indicator are available at:

HOLAS II component – pre-core indicator report – web-based version July 2017 (pdf)

 

References

Alheit,J., C. Möllmann, J. Dutz, G. Kornilovs,  P. Loewe, V. Mohrholz and N. Wasmund (2005). Synchronous ecological regime shifts in the central Baltic and the North Sea in the late 1980s. ICES J. Mar. Sci. 62: 1205-1215.

European Commission (2015). Review of the GES Decision 2010/477/EU and MSFD Annex III – cross-cutting issues (version 4). GES_13-2015-02. Available online at: https://circabc.europa.eu/d/a/workspace/SpacesStore/53b2e4e2-2921-468a-941f-499811ee12f9/GES_13-2015-02_GESDecisionReview_Cross-cuttingIssues_v4.doc

Heiskanen, A.-S. (1998). Factors governing sedimentation and pelagic nutrient cycles in the northern Baltic Sea. Monographs of the Boreal Environmental Research 8, 1-80.

HELCOM (2016). Outcome of the fifth meeting of the Working Group on the State of the Environment and Nature Conservation (State & Conservation 5-2016). Available online at: https://portal.helcom.fi/meetings/STATE%20-%20CONSERVATION%205-2016-363/MeetingDocuments/Final%20Outcome%20State%20and%20Conservation%205-2016.pdf

Klais, R., T. Tamminen, A. Kremp, K. Spilling and K. Olli (2011). Decadal-Scale Changes of Dinoflagellates and Diatoms in the Anomalous Baltic Sea Spring Bloom. PLoS ONE 6(6): e21567. doi:10.1371/journal.pone.0021567

Klais, R., Tamminen, T., Kremp, A., Spilling, K., An, B.W., Hajdu, S., et al. (2013). Spring phytoplankton communities shaped by interannual weather variability and dispersal limitation: Mechanisms of climate change effects on key coastal primary producers. Limnol. Oceanogr. 58, 753-762.

Smetacek, V. (1999): Diatoms and the ocean carbon cycle. Protist 150: 25-32. Uusitalo, L., H. Hällfors, H. Peltonen, M. Kiljunen, P. Jounela and E. Aro (2013). Indicators of the Good Environmental Status of food webs in the Baltic Sea, GES-REG project final report on food web indicators, September 2013.

Uusitalo, L., H. Hällfors, H. Peltonen, M. Kiljunen, P. Jounela and E. Aro (2013). Indicators of the Good Environmental Status of food webs in the Baltic Sea, GES-REG project final report on food web indicators, September 2013.

Wasmund, N., G. Nausch and W. Matthäus (1998): Phytoplankton spring blooms in the southern Baltic Sea - spatio-temporal development and long-term trends. J. Plankton Research 20: 1099-1117.

Wasmund, N., Nausch G. and Feistel, R. (2013): Silicate consumption: an indicator for long-term trends in spring diatom development in the Baltic Sea. Journal of Plankton Research 35: 393-406; doi: 10.1093/plankt/fbs101

Wasmund, N., Göbel, J., Jaanus, A., Johansen, M., Jurgensone, I., Kownacka, J., et al. (2016). "Pre-core indicator 'Diatom-Dinoflagellate index' – proposal to shift status to core indicator". Document to the meeting of the HELCOM Working Group of the State of the Environment and Nature Conservation (STATE&CONSERVATION 5-2016), 7.-11.11.2016, Tallinn. Available online at: https://portal.helcom.fi/meetings/STATE%20-%20CONSERVATION%205-2016-363/MeetingDocuments/4J-6%20Pre-core%20indicator%20%E2%80%98Diatom-Dinoflagellate%20index%E2%80%99%20%E2%80%93%20proposal%20to%20shift%20status%20to%20core%20indicator.pdf

Wasmund, N., Kownacka, J., Göbel, J., Jaanus, A., Johansen, M., Jurgensone, I., Lehtinen, S., Powilleit, M. (2017): The diatom/dinoflagellate index as an indicator of ecosystem changes in the Baltic Sea. 1. Principle and handling instruction. Frontiers in Marine Science 4 (22): 1-13. doi: 10.3389/fmars.2017.00022

http://journal.frontiersin.org/article/10.3389/fmars.2017.00022/full?&utm_source=Email_to_authors_&utm_medium=Email&utm_content=T1_11.5e1_author&utm_campaign=Email_publication&field=&journalName=Frontiers_in_Marine_Science&id=235096

Wasmund, N. (2017): The diatom/dinoflagellate index as an indicator of ecosystem changes in the Baltic Sea. 2. Historical data for use in determination of good environmental status. Frontiers in Marine Science 4 (153): 1-12. doi: 10.3389/fmars.2017.00153 http://journal.frontiersin.org/article/10.3389/fmars.2017.00153/full?&utm_source=Email_to_authors_&utm_medium=Email&utm_content=T1_11.5e1_author&utm_campaign=Email_publication&field=&journalName=Frontiers_in_Marine_Science&id=247098

 

Additional relevant publications

 

HELCOM core indicator report,
 ISSN 2343-2543