Iveta Jurgensone

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Iveta Jurgensone

Researcher, Marine Monitoring Department, Head of Hydrobiology laboratory

Researcher, Marine Monitoring Department, Head of Hydrobiology laboratory

  • Chair of the LHEI Scientific Council and member of the Procurement Committee
  • Taxonomy and ecology of marine, brackish and freshwater phytoplankton, marine and brackish water microzooplankton, dynamics of these organisms in the pelagic food web, as well as biodiversity in marine and freshwater environments
  • Head of LIAE Hydrobiology laboratory
  • Responsible for phytoplankton monitoring and data quality, experienced in working with the development and implementation of environmental condition assessment indicators
  • Chairs the HELCOM Phytoplankton Expert Group (EG PHYTO) and serves on the HELCOM Foodweb Working Group (CG Foodweb), the ICES Working Group on Phytoplankton and Microbial Ecology (ICES WGPME), the Baltic Sea Integrated Assessment Working Group (ICES WGIAB) and the EuroGOOS Working Group on Biological Assessment (BIOWG)

iveta.jurgensone[at]lhei.lv

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  1. Rowe, O.F., Paczkowska, J., Brutemark, A.,Brugel, S., Traving, S.J., Lefébure, R., Miranda, F., Guleikova, L., Griniene, E., Jurgensone, I., Byström, P., Riemann, L., Andersson, A. (2025) Climate change–induced terrestrial matter runoff may decrease food web production in coastal ecosystems. Limnology and Oceanography, 9999, 1–13. DOI: 10.1002/lno.12762
  2. Liepina-Leimane, I., Barda, I., Jurgensone, I., Labucis, A., Baraskova, L., Aigars, J. (2024). Nitrogen fixation rate and phosphorus enrichment effects on diazotrophic cyanobacteria in the Gulf of Riga. Marine Biology. Vol. 171(9), 169. DOI:10.1007/s00227-024-04486-3
  3. Jerney, J.J., Hällfors, H., Jakobsen, J., Jurgensone, I., Karlson, B., Kremp, A., Lehtinen, S., Majaneva, M., Meissner, K., Norros, V., Sildever, S., Suikkanen, S., Teeveer, K., (2023) DNA metabarcoding – Guidelines to monitor phytoplankton diversity and distribution in marine and brackish waters. Tema Nord, 2023:505 https://pub.norden.org/temanord2023-505/#
  4. Labucis, A., Labuce, A., Jurgensone, I., Barda, I., Andersone, I., Ikauniece, A. (2023) Seasonal variation in size structure and production of autotrophic plankton community in eutrophied, low-light environment: A focus on Mesodinium rubrum. Oceanologia. Vol. 65, Issue 2, 398-409. doi: 10.1016/j.oceano.2022.11.003
  5. Liepiņa-Leimane, I., Bārda, I., Jurgensone, I., Labucis , A., Suhareva, N., Kozlova, V., Maderniece, A., Aigars, J. (2022) Seasonal dynamic of diazotrophic activity and environmental variables affecting it in the Gulf of Riga, Baltic Sea. FEMS Microbial Ecology. Vol. 98, Issue 12, December 2022. doi.org/10.1093/femsec/fiac132
  6. Blackburn, N., Haecky, P., Jurgensone, I., Griniene, E., Brugel, S., Andersson, A., Carstensen, J. (2022) The use of automated organism tracking microscope in mesocosm experiments. Limnology and Oceanography: Methods. doi: 10.1002/lom3.10521
  7. Tunēns, J., Aigars, J., Poikāne, R., Jurgensone, I., Labucis, A., Labuce, A., Liepiņa-Leimane, I., Buša, L., Vīksna, A. (2022) Stable Carbon and Nitrogen Isotope Composition in Suspended Particulate Matter Reflects Seasonal Dynamics of Phytoplankton Assemblages in the Gulf of Riga, Baltic Sea. Estuaries and Coasts. doi.org/10.1007/s12237-022-01071-z
  8. Labuce, A., Ikauniece, A., Jurgensone, I., Aigars, J. (2021) Environmental impacts on zooplankton functional diversity in brackish semi-enclosed gulf. Water (Switzerland), Vol. 13. DOI: 10.3390/w13141881
  9. Kortsch, S., Frelat, R., Pecuchet, L., Olivier, P., Putnis, I., Bonsdorff, E., Ojaveer, H., Jurgensone, I., Strāķe, S., Rubene, G., Krūze, Ē., Nordstrom, M.C. (2021) Disentangling temporal food web dynamics facilitates understanding of ecosystem functioning. Journal of Animal Ecology. Vol. 90, 1205-1216. DOI: 10.1111/1365-2656.13447
  10. Pecuchet, L., Lindegren, M., Kortsch, S., Calkiewicz, J., Jurgensone, I., Margonski, P., Otto, S.A., Strake, S., Nordstrom, M.C. (2020) Spatio-temporal dynamics of multi-trophic communitties reveal ecosystem-wide functional reorganization. Ecography, Vol. 43, 197-208. DOI:10.1111/ecog.04643
  11. Puriņa, I., Labucis, A., Bārda, I., Jurgensone, I., Aigars, J. (2018) Primary productivity in the Gulf of Riga (Baltic Sea) in relation to phytoplankton species and nutrient variability. Oceanologia, 60 (4), pp. 544-552. DOI:10.1016/j.oceano.2018.04.005
  12. 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. Front. Mar. Sci. , 4 (FEB), art. no. 22. doi.org/10.3389/fmars.2017.00022
  13. Aigars, J., Jurgensone, I., Jansons, M. (2014) Dynamics of silica and phytoplankton population under altered conditions of river flow in the Daugava river, Latvia. Estonian Journal of Ecology, 63 (4), pp. 217-231. DOI: 10.3176/eco.2014.4.02
  14. Aigars, J., Poikāne, R., Jurgensone, I., Jansons, M. (2014) Impact of eutrophication and climate change on Cd and other trace metal dynamic in the Gulf of Riga, Baltic Sea. Proceedings of the Latvian Academy of Sciences, Section B: Natural, Exact, and Applied Sciences, 68 (1-2), pp. 112-117. DOI: 10.2478/prolas-2014-0010
  15. Andersson, A., Jurgensone, I., Rowe, O.F., Simonelli, P., Bignert, A., Lundberg, E., Karlsson, J. (2013) Can Humic Water Discharge Counteract Eutrophication in Coastal Waters? PLoS ONE, 8 (4), art. no. e61293. doi.org/10.1371/journal.pone.0061293
  16. Jurgensone, I., Aigars, J. (2012) Bioavailability of riverine dissolved organic matter to phytoplankton in the marine coastal waters. Estuarine, Coastal and Shelf Science. Vol. 107, 97 – 104. DOI:10.1016/j.ecss.2012.05.005
  17. Jurgensone, I., Carstensen, J., Ikauniece, A., Kalveka, B. (2011) Long-term Changes and Controlling Factors of Phytoplankton Community in the Gulf of Riga (Baltic Sea). Estuaries and Coasts. Vol. 34, Issue 6, 1205 – 1219. DOI:10.1007/s12237-011-9402-x
  18. Olenina, I., Wasmund, N., Hajdu, S., Jurgensone, I., Gromisz, S., Kownacka, J., Toming, K., Vaiciute, D., Olenin, S. (2010) Assessing impacts of invasive phytoplankton: The Baltic Sea case. Marine Pollution Bulletin. Vol. 60, Issue 10, 1691 – 1700. DOI:10.1016/j.marpolbul.2010.06.046
  19. Ikauniece, A., Kalveka, B., Jurgensone, I., Jermakovs, V., Aišpure, G., Ceitlina, M., Fedoroviča, D. (2008) Returning to the Baltic Proper: More questions than answers?US/EU-Baltic International Symposium: Ocean Observations, Ecosystem-Based Management and Forecasting – Provisional Symposium Proceedings, BALTIC , 73979. DOI: 10.1109/BALTIC.2008.4625550
  20. Jaanus, A., Hajdu, S., Kaitala, S., Andersson, A., Kaljurand, K., Ledaine, I., Lips, I., Olenina, I. (2006) Distribution patterns of isomorphic cold-water dinoflagellates (Scrippsiella/Woloszynskia complex) causing ‘red tides’ in the Baltic Sea. Hydrobiologia, 554, 137-146. DOI: 10.1007/s10750-005-1014-7
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