All Stories

  1. Historical foraminiferal collections as a resource for monitoring anthropogenic climate change

    Article • Revue de Micropaléontologie, December 2025, Elsevier

    Helena Filipsson

  2. Teleconnections to the Baltic Sea Region: Controls, Predictability and Consequences

    Article • November 2025, Copernicus GmbH

    Helena Filipsson

  3. A marine and salt marsh sediment organic carbon database for European regional seas (EURO-CARBON)

    Article • Data in Brief, June 2025, Elsevier

    Helena Filipsson

  4. Community guidelines to increase the reusability of marine microfossil assemblage data

    Article • Journal of Micropalaeontology, May 2025, Copernicus GmbH

    Helena Filipsson, Humberto Carvajal-Chitty

  5. Morphological Insights From Benthic Foraminifera for Environmental Conditions in the Baltic Sea During the Last Interglacial

    Article • Paleoceanography and Paleoclimatology, March 2025, American Geophysical Union (AGU)

    Helena Filipsson

  6. Reviews and syntheses: Review of proxies for low-oxygen paleoceanographic reconstructions

    Article • Biogeosciences, February 2025, Copernicus GmbH

    Helena Filipsson, Raul Tapia

  7. Meltwater release from the Fennoscandian Ice Sheet and potential links with Heinrich Stadial 1 during the last deglaciation

    Article • December 2024, Wiley

    Helena Filipsson

  8. Morphological insights from benthic foraminifera for environmental conditions in the Baltic Sea during the Last Interglacial

    Article • November 2024, Authorea, Inc.

    Helena Filipsson

  9. Relationships Between Land Use and Terrestrial Organic Matter Transfer to the Baltic Sea Over the Last 500 Years

    Article • Journal of Geophysical Research Biogeosciences, January 2024, American Geophysical Union (AGU)

    Helena Filipsson

  10. Revisiting the applicability and constraints of molybdenum- and uranium-based paleo redox proxies: comparing two contrasting sill fjords

    Article • Biogeosciences, December 2023, Copernicus GmbH

    Helena Filipsson

  11. Strain‐specific metabarcoding reveals rapid evolution of copper tolerance in populations of the coastal diatom Skeletonema marinoi

    Article • Molecular Ecology, September 2023, Wiley

    Helena Filipsson

  12. Last interglacial seasonal hydroclimate in the North Sea–Baltic Sea region

    Article • Quaternary Science Reviews, July 2023, Elsevier

    Helena Filipsson

  13. Revisiting the applicability and constraints of molybdenum and uranium-based paleo redox proxies: comparing two contrasting sill fjords

    Article • May 2023, Copernicus GmbH

    Helena Filipsson

  14. Supplementary material to "Revisiting the applicability and constraints of molybdenum and uranium-based paleo redox proxies: comparing two contrasting sill fjords"

    Article • May 2023, Copernicus GmbH

    Helena Filipsson

  15. Benthic Foraminiferal Mn/Ca as Low‐Oxygen Proxy in Fjord Sediments

    Article • Global Biogeochemical Cycles, May 2023, American Geophysical Union (AGU)

    Helena Filipsson

  16. 3D morphological variability in foraminifera unravel environmental changes in the Baltic Sea entrance over the last 200 years

    Article • Frontiers in Earth Science, April 2023, Frontiers

    Helena Filipsson

  17. Assessing the impact of different carbonate system parameters on benthic foraminifera from controlled growth experiments

    Article • Chemical Geology, April 2023, Elsevier

    Helena Filipsson

  18. Through the eDNA looking glass: Responses of fjord benthic foraminiferal communities to contrasting environmental conditions

    Article • Journal of Eukaryotic Microbiology, March 2023, Wiley

    Helena Filipsson

  19. Sedimentary molybdenum and uranium: Improving proxies for deoxygenation in coastal depositional environments

    Article • Chemical Geology, January 2023, Elsevier

    Helena Filipsson

  20. Distribution of Long-Chain Diols in the Baltic Sea and Its Application in Paleoenvironmental Reconstruction

    Article • January 2023, EAGE Publications

    Helena Filipsson

  21. Two canonically aerobic foraminifera express distinct peroxisomal and mitochondrial metabolisms

    Article • Frontiers in Marine Science, December 2022, Frontiers

    Helena Filipsson

  22. Cross‐contamination risks in sediment‐based resurrection studies of phytoplankton

    Article • Limnology and Oceanography Letters, November 2022, Wiley

    Helena Filipsson

  23. Recent Increased Loading of Carbonaceous Pollution from Biomass Burning in the Baltic Sea

    Article • ACS Omega, September 2022, American Chemical Society (ACS)

    Helena Filipsson

  24. Ammonium and Sulfate Assimilation Is Widespread in Benthic Foraminifera

    Article • Frontiers in Marine Science, July 2022, Frontiers

    Helena Filipsson

  25. Drought recorded by Ba∕Ca in coastal benthic foraminifera

    Article • Biogeosciences, May 2022, Copernicus GmbH

    Helena Filipsson

  26. Decoupling the impact of different carbonate system parameters from controlled growth experiments with deep-sea benthic foraminifera

    Article • March 2022, Copernicus GmbH

    Helena Filipsson

  27. Sedimentary molybdenum and uranium sequestration in silled fjords on the Swedish West coast: implications for trace-metal based paleo redox proxies

    Article • March 2022, Copernicus GmbH

    Helena Filipsson

  28. Drought recorded by Ba/Ca in coastal benthic foraminifera

    Article • November 2021, Copernicus GmbH

    Helena Filipsson

  29. Supplementary material to "Drought recorded by Ba/Ca in coastal benthic foraminifera"

    Article • November 2021, Copernicus GmbH

    Helena Filipsson

  30. Seasonal climate variations in the Baltic Sea during the Last Interglacial based on foraminiferal geochemistry

    Article • Quaternary Science Reviews, November 2021, Elsevier

    Helena Filipsson

  31. Foraminiferal Mn/Ca as Bottom‐Water Hypoxia Proxy: An Assessment of Nonionella stella in the Santa Barbara Basin, USA

    Article • Paleoceanography and Paleoclimatology, October 2021, American Geophysical Union (AGU)

    Helena Filipsson

  32. Intraspecific variation in metal tolerance modulate competition between two marine diatoms

    Article • The ISME Journal, August 2021, Springer Science + Business Media

    Helena Filipsson

  33. Multiple integrated metabolic strategies allow foraminiferan protists to thrive in anoxic marine sediments

    Article • Science Advances, May 2021, American Association for the Advancement of Science

    Helena Filipsson

  34. Sedimentary trace metals: improving proxies for deoxygenation in coastal European seas

    Article • March 2021, Copernicus GmbH

    Helena Filipsson

  35. Denitrification by benthic foraminifera and their contribution to N-loss from a fjord environment

    Article • Biogeosciences, January 2021, Copernicus GmbH

    Helena Filipsson

  36. Heterotrophic Foraminifera Capable of Inorganic Nitrogen Assimilation

    Article • Frontiers in Microbiology, December 2020, Frontiers

    Helena Filipsson

  37. Deglaciation dynamics of the Fennoscandian Ice Sheet in the Kattegat, the gateway between the North Sea and the Baltic Sea Basin

    Article • Boreas, December 2020, Wiley

    Helena Filipsson

  38. Early diagenesis of foraminiferal calcite under anoxic conditions: A case study from the Landsort Deep, Baltic Sea (IODP Site M0063)

    Article • Chemical Geology, December 2020, Elsevier

    Helena Filipsson

  39. Differences in metal tolerance among strains, populations, and species of marine diatoms – Importance of exponential growth for quantification

    Article • Aquatic Toxicology, September 2020, Elsevier

    Helena Filipsson

  40. Supplementary material to "Total nitrate uptake by an invasive benthic foraminifer in marine sediments"

    Article • August 2020, Copernicus GmbH

    Helena Filipsson

  41. Total nitrate uptake by an invasive benthic foraminifer in marine sediments

    Article • August 2020, Copernicus GmbH

    Helena Filipsson

  42. Early diagenesis in benthic foraminifera under anoxic conditions from the Landsort Deep, Baltic Sea (IODP Site M0063)

    Article • March 2020, Copernicus GmbH

    Helena Filipsson

  43. Holocene Hydrographic Variations From the Baltic‐North Sea Transitional Area (IODP Site M0059)

    Article • Paleoceanography and Paleoclimatology, February 2020, American Geophysical Union (AGU)

    Helena Filipsson

  44. Chemical Heterogeneity of Mg, Mn, Na, S, and Sr in Benthic Foraminiferal Calcite

    Article • Frontiers in Earth Science, November 2019, Frontiers

    Helena Filipsson

  45. Rapid environmental responses to climate-induced hydrographic changes in the Baltic Sea entrance

    Article • Biogeosciences, October 2019, Copernicus GmbH

    Helena Filipsson

  46. Rapid environmental responses to climate-induced hydrographic changes in the Baltic Sea entrance

    Article • Biogeosciences Discussions, June 2019, Copernicus GmbH

    Helena Filipsson

  47. The genetic diversity, morphology, biogeography, and taxonomic designations of Ammonia (Foraminifera) in the Northeast Atlantic

    Article • Marine Micropaleontology, February 2019, Elsevier

    Helena Filipsson

  48. Ecological and functional consequences of coastal ocean acidification: Perspectives from the Baltic-Skagerrak System

    Article • AMBIO, December 2018, Springer Science + Business Media

    Helena Filipsson

  49. Societal causes of, and responses to, ocean acidification

    Article • AMBIO, November 2018, Springer Science + Business Media

    Helena Filipsson

  50. Kleptoplastidic benthic foraminifera from aphotic habitats: insights into assimilation of inorganic C, N and S studied with sub-cellular resolution

    Article • Environmental Microbiology, October 2018, Wiley

    Helena Filipsson

  51. Assessing proxy signatures of temperature, salinity, and hypoxia in the Baltic Sea through foraminifera-based geochemistry and faunal assemblages

    Article • Journal of Micropalaeontology, September 2018, Copernicus GmbH

    Helena Filipsson, Clare Bird

  52. Tracing winter temperatures over the last two millennia using a north-east Atlantic coastal record

    Article • Climate of the Past, July 2018, Copernicus GmbH

    Helena Filipsson

  53. Experimental calibration of manganese incorporation in foraminiferal calcite

    Article • Geochimica et Cosmochimica Acta, June 2018, Elsevier

    Helena Filipsson

  54. Decalcification and survival of benthic foraminifera under the combined impacts of varying pH and salinity

    Article • Marine Environmental Research, April 2018, Elsevier

    Helena Filipsson

  55. Anthropogenic and climatic impacts on a coastal environment in the Baltic Sea over the last 1000 years

    Article • Anthropocene, March 2018, Elsevier

    Helena Filipsson

  56. The effects of multiple stressors on the distribution of coastal benthic foraminifera: A case study from the Skagerrak-Baltic Sea region

    Article • Marine Micropaleontology, March 2018, Elsevier

    Helena Filipsson

  57. Improved wet splitter for micropalaeontological analysis, and assessment of uncertainty using data from splitters

    Article • Journal of Micropalaeontology, January 2018, Copernicus GmbH

    Helena Filipsson

  58. Tracing winter temperatures over the last two millennia using a NE Atlantic coastal record

    Article • Climate of the Past Discussions, January 2018, Copernicus GmbH

    Helena Filipsson

  59. Tracing winter temperatures over the last two millennia using a NE Atlantic coastal record

    Article • January 2018, Copernicus GmbH

    Helena Filipsson

  60. An overview of cellular ultrastructure in benthic foraminifera: New observations of rotalid species in the context of existing literature

    Article • Marine Micropaleontology, January 2018, Elsevier

    Helena Filipsson

  61. Reconstructing Holocene temperature and salinity variations in the western Baltic Sea region: a multi-proxy comparison from the Little Belt (IODP Expedition 347, Site M0059)

    Article • Biogeosciences, December 2017, Copernicus GmbH

    Helena Filipsson

  62. Seasonal variability of stable carbon isotopes (δ 13 C DIC ) in the Skagerrak and the Baltic Sea: Distinguishing between mixing and biological productivity

    Article • Palaeogeography Palaeoclimatology Palaeoecology, October 2017, Elsevier

    Helena Filipsson

  63. A global multiproxy database for temperature reconstructions of the Common Era

    Article • Scientific Data, July 2017, Nature

    Dr Vasile Ersek, Helena Filipsson

  64. Core-top calibration of benthic carbon isotopes

    Article • Paleoceanography, June 2017, American Geophysical Union (AGU)

    Andreas Schmittner, Helena Filipsson

  65. Applications of Foraminifera, Testate Amoebae and Tintinnids in Estuarine Palaeoecology

    Article • January 2017, Springer Science + Business Media

    Helena Filipsson

  66. The genetic diversity, phylogeography and morphology of Elphidiidae (Foraminifera) in the Northeast Atlantic

    Article • Marine Micropaleontology, December 2016, Elsevier

    Clare Bird, Helena Filipsson

  67. Long-term coastal openness variation and its impact on sediment grain-size distribution: a case study from the Baltic Sea

    Article • Earth Surface Dynamics, October 2016, Copernicus GmbH

    Helena Filipsson

  68. Early onset of industrial-era warming across the oceans and continents

    Article • Nature, August 2016, Nature

    Helena Filipsson

  69. Long-term coastal openness variation and its impact on sediment grain-size distribution: a case study from the Baltic Sea

    Article • Earth Surface Dynamics Discussions, April 2016, Copernicus GmbH

    Helena Filipsson

  70. Long-term coastal openness variation and its impact on sediment grain-size distribution: a case study from the Baltic Sea

    Article • April 2016, Copernicus GmbH

    Helena Filipsson

  71. Evolving coastal character of a Baltic Sea inlet during the Holocene shoreline regression: impact on coastal zone hypoxia

    Article • Journal of Paleolimnology, February 2016, Springer Science + Business Media

    Helena Filipsson

  72. The interplay between the surface and bottom water environment within the Benguela Upwelling System over the last 70 ka

    Article • Paleoceanography, February 2016, American Geophysical Union (AGU)

    Helena Filipsson

  73. Mg/Ca, Sr/Ca and Ca isotope ratios in benthonic foraminifers related to test structure, mineralogy and environmental controls

    Article • Geochimica et Cosmochimica Acta, January 2016, Elsevier

    Helena Filipsson

  74. Quantitative salinity reconstructions of the Baltic Sea during the mid-Holocene

    Article • Boreas, December 2015, Wiley

    Helena Filipsson

  75. Technical Note: Towards resolving in situ, centimeter-scale location and timing of biomineralization in calcareous meiobenthos – the calcein–osmotic pump method

    Article • Biogeosciences, September 2015, Copernicus GmbH

    Helena Filipsson

  76. A comparison of benthic foraminiferal Mn / Ca and sedimentary Mn / Al as proxies of relative bottom-water oxygenation in the low-latitude NE Atlantic upwelling system

    Article • Biogeosciences, September 2015, Copernicus GmbH

    Helena Filipsson

  77. Robust global ocean cooling trend for the pre-industrial Common Era

    Article • Nature Geoscience, August 2015, Nature

    Dr Vasile Ersek, Helena Filipsson

  78. Technical Note: Towards resolving in situ, centimeter-scale location and timing of biomineralization in calcareous meiobenthos – the Calcein-Osmotic pump method

    Article • Biogeosciences Discussions, June 2015, Copernicus GmbH

    Helena Filipsson

  79. A comparison of benthic foraminiferal Mn/Ca and sedimentary Mn/Al as proxies of relative bottom water oxygenation in the low latitude NE Atlantic upwelling system

    Article • Biogeosciences Discussions, May 2015, Copernicus GmbH

    Helena Filipsson

  80. Pelagic–benthic coupling within an upwelling system of the subtropical northeast Atlantic over the last 35 ka BP

    Article • Quaternary Science Reviews, December 2014, Elsevier

    Helena Filipsson

  81. Experimental evidence for foraminiferal calcification under anoxia

    Article • Biogeosciences, July 2014, Copernicus GmbH

    Helena Filipsson

  82. Experimental evidence for foraminiferal calcification under anoxia

    Article • Biogeosciences Discussions, March 2014, Copernicus GmbH

    Helena Filipsson

  83. Supplementary material to "Experimental evidence for foraminiferal calcification under anoxia"

    Article • March 2014, Copernicus GmbH

    Helena Filipsson

  84. Mg/Ca and Mn/Ca ratios in benthic foraminifera: the potential to reconstruct past variations in temperature and hypoxia in shelf regions

    Article • Biogeosciences, July 2013, Copernicus GmbH

    Helena Filipsson

  85. Large spatial variations in coastal 14C reservoir age – a case study from the Baltic Sea

    Article • Climate of the Past, May 2013, Copernicus GmbH

    Helena Filipsson

  86. Trace metal/Ca ratios in benthic foraminifera: the potential to reconstruct past variations in temperature and hypoxia in shelf regions

    Article • Biogeosciences Discussions, March 2013, Copernicus GmbH

    Helena Filipsson

  87. The Little Ice Age: evidence from a sediment record in Gullmar Fjord, Swedish west coast

    Article • Biogeosciences, March 2013, Copernicus GmbH

    Helena Filipsson

  88. Large spatial variations in coastal 14C reservoir age – a case study from the Baltic Sea

    Article • Climate of the Past Discussions, February 2013, Copernicus GmbH

    Helena Filipsson

  89. Supplementary material to "Large spatial variations in coastal <sup>14</sup>C reservoir age – a case study from the Baltic Sea"

    Article • February 2013, Copernicus GmbH

    Helena Filipsson

  90. Surface salinity and nutrient variations during the Littorina Stage in the Fårö Deep, Baltic Sea

    Article • Boreas, November 2012, Wiley

    Helena Filipsson

  91. Palaeoenvironments in the southern Baltic Sea Basin during Marine Isotope Stage 3: a multi-proxy reconstruction

    Article • Quaternary Science Reviews, February 2012, Elsevier

    Johanna Anjar, Helena Filipsson, Professor Per Möller

  92. The benthic foraminiferal record of the Medieval Warm Period and the recent warming in the Gullmar Fjord, Swedish west coast

    Article • Marine Micropaleontology, December 2011, Elsevier

    Helena Filipsson

  93. Corrigendum to "A culture-based calibration of benthic foraminiferal paleotemperature proxies: δ18O and Mg/Ca results" published in Biogeosciences, 7, 1335–1347, 2010

    Article • Biogeosciences, June 2011, Copernicus GmbH

    Helena Filipsson

  94. Not just family matters

    Article • Nature Geoscience, June 2011, Nature

    Helena Filipsson

  95. Relationships between primary productivity and bottom-water oxygenation off northwest Africa during the last deglaciation

    Article • Journal of Quaternary Science, May 2011, Wiley

    Helena Filipsson

  96. Lundadagarna i Historisk Geologi och Paleonotologi XII 17–18th of March, 2011

    Article • GFF, March 2011, Taylor & Francis

    Helena Filipsson

  97. A culture-based calibration of benthic foraminiferal paleotemperature proxies: δ18O and Mg/Ca results

    Article • Biogeosciences, April 2010, Copernicus GmbH

    Helena Filipsson

  98. MIS 3 marine and lacustrine sediments at Kriegers Flak, southwestern Baltic Sea

    Article • Boreas, April 2010, Wiley

    Johanna Anjar, Helena Filipsson

  99. Calcium isotope ratios in calcitic tests of benthic foraminifers

    Article • Earth and Planetary Science Letters, February 2010, Elsevier

    Helena Filipsson

  100. A major change in the dinoflagellate cyst flora of Gullmar Fjord, Sweden, at around 1969/1970 and its possible explanation

    Article • Geological Society London Special Publications, January 2010, Geological Society

    Helena Filipsson

  101. Variations in organic carbon flux and stagnation periods during the last 2400 years in a Skagerrak fjord basin, inferred from benthic foraminiferal δ 13 C

    Article • Geological Society London Special Publications, January 2010, Geological Society

    Helena Filipsson

  102. Stable oxygen and carbon isotope information on the establishment of a new, opportunistic foraminiferal fauna in a Swedish Skagerrak fjord basin, in 1979/1980

    Article • Marine Micropaleontology, October 2009, Elsevier

    Helena Filipsson

  103. CULTURING OF BENTHIC FORAMINIFERA FOR IMPROVED PALEOCEANOGRAPHIC RECONSTRUCTIONS

    Article • Palaios, January 2008, Society for Sedimentary Geology

    Helena Filipsson

  104. Dinoflagellate cysts and hydrographical change in Gullmar Fjord, west coast of Sweden

    Article • The Science of The Total Environment, February 2006, Elsevier

    Helena Filipsson

  105. A major change in the phytoplankton of a Swedish sill fjord—A consequence of engineering work?

    Article • Estuarine Coastal and Shelf Science, June 2005, Elsevier

    Helena Filipsson

  106. A 200-YEAR ENVIRONMENTAL RECORD OF A LOW-OXYGEN FJORD, SWEDEN, ELUCIDATED BY BENTHIC FORAMINIFERA, SEDIMENT CHARACTERISTICS AND HYDROGRAPHIC DATA

    Article • The Journal of Foraminiferal Research, October 2004, GeoScienceWorld

    Helena Filipsson

  107. Climate variations, an overlooked factor influencing the recent marine environment. An example from Gullmar Fjord, Sweden, illustrated by benthic foraminifera and hydrographic data

    Article • Estuaries, October 2004, Springer Science + Business Media

    Helena Filipsson

  108. Seasonal study of δ18O and δ13C in living (stained) benthic foraminifera from two Swedish fjords

    Article • Marine Micropaleontology, October 2004, Elsevier

    Helena Filipsson

  109. A high-resolution dinoflagellate cyst record from latest Holocene sediments in Koljö Fjord, Sweden

    Article • Review of Palaeobotany and Palynology, January 2004, Elsevier

    Helena Filipsson

  110. The seasonal occurrence of dinoflagellate cysts in surface sediments from Koljö Fjord, west coast of Sweden – a note

    Article • Review of Palaeobotany and Palynology, January 2004, Elsevier

    Helena Filipsson

  111. Climate, hydrographic variations and marine benthic hypoxia in Koljö Fjord, Sweden

    Article • Journal of Sea Research, December 2001, Elsevier

    Helena Filipsson

  112. Oceanographic Conditions in the Deepest Parts of the Kattegat, Scandinavia, Revealed Through Recent Benthic Foraminifera and Hydrography

    Article • Estuarine Coastal and Shelf Science, October 1999, Elsevier

    Helena Filipsson