Articles | Volume 16, issue 19
https://doi.org/10.5194/bg-16-3835-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-16-3835-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Oct 2019
Research article |
| 07 Oct 2019
| 07 Oct 2019
Rapid environmental responses to climate-induced hydrographic changes in the Baltic Sea entrance
Laurie M. Charrieau
Department of Geology, Lund University, Lund, Sweden
Karl Ljung
Department of Geology, Lund University, Lund, Sweden
Frederik Schenk
Bolin Centre for Climate Research and Department of Geological
Sciences, Stockholm University, Stockholm, Sweden
Ute Daewel
Department of System Analysis and Modelling, Centre for Materials and
Coastal Research, Geesthacht, Germany
Emma Kritzberg
Department of Biology, Lund University, Lund, Sweden
Helena L. Filipsson
CORRESPONDING AUTHOR
Department of Geology, Lund University, Lund, Sweden
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Cited
15 citations as recorded by crossref.
- Calculating dissolved marine oxygen values based on an enhanced Benthic Foraminifera Oxygen Index M. Kranner et al. https://doi.org/10.1038/s41598-022-05295-8
- Distribution and variation of 129I in Danish water M. Mindová et al. https://doi.org/10.1016/j.marenvres.2025.107229
- Deposit-feeding of Nonionellina labradorica (foraminifera) from an Arctic methane seep site and possible association with a methanotroph C. Schmidt et al. https://doi.org/10.5194/bg-19-3897-2022
- Too old to be new? A recent discovery of a pteropod Limacina lesueurii (d'Orbigny 1836) at the Swedish west coast (Skagerrak, North Sea) I. Polovodova Asteman et al. https://doi.org/10.1016/j.marmicro.2021.102083
- Meiofaunal diversity across a sharp gradient of fjord oxygenation: Insights from metabarcoding and morphology approaches in foraminifera P. O'Brien et al. https://doi.org/10.1016/j.marpolbul.2025.119145
- Late Glacial to Holocene environmental development near an oil-producing platform in the Danish North Sea K. Hansen et al. https://doi.org/10.3389/feart.2026.1720151
- Denitrification by benthic foraminifera and their contribution to N-loss from a fjord environment C. Choquel et al. https://doi.org/10.5194/bg-18-327-2021
- Early diagenesis of foraminiferal calcite under anoxic conditions: A case study from the Landsort Deep, Baltic Sea (IODP Site M0063) S. Ni et al. https://doi.org/10.1016/j.chemgeo.2020.119871
- Holocene Hydrographic Variations From the Baltic‐North Sea Transitional Area (IODP Site M0059) S. Ni et al. https://doi.org/10.1029/2019PA003722
- Macroecological patterns of planktonic unicellular eukaryotes richness in the Southeast Pacific Ocean S. Yáñez et al. https://doi.org/10.1038/s41598-025-03220-3
- 3D morphological variability in foraminifera unravel environmental changes in the Baltic Sea entrance over the last 200 years C. Choquel et al. https://doi.org/10.3389/feart.2023.1120170
- Morphology, distribution and assemblage impacts of three non-indigenous foraminiferal species on the Swedish west coast: Implications for shipping-related biopollution J. Pavard & I. Polovodova Asteman https://doi.org/10.1016/j.marpolbul.2026.119942
- A comprehensive seabed baseline for platform abandonment B. Lauridsen et al. https://doi.org/10.1016/j.gloplacha.2026.105464
- Recent environmental change in the Kosterhavet National Park marine protected area as reflected by hydrography and sediment proxy data I. Polovodova Asteman et al. https://doi.org/10.1016/j.marenvres.2021.105265
- Recent Increased Loading of Carbonaceous Pollution from Biomass Burning in the Baltic Sea K. Ljung et al. https://doi.org/10.1021/acsomega.2c04009
15 citations as recorded by crossref.
- Calculating dissolved marine oxygen values based on an enhanced Benthic Foraminifera Oxygen Index M. Kranner et al. https://doi.org/10.1038/s41598-022-05295-8
- Distribution and variation of 129I in Danish water M. Mindová et al. https://doi.org/10.1016/j.marenvres.2025.107229
- Deposit-feeding of Nonionellina labradorica (foraminifera) from an Arctic methane seep site and possible association with a methanotroph C. Schmidt et al. https://doi.org/10.5194/bg-19-3897-2022
- Too old to be new? A recent discovery of a pteropod Limacina lesueurii (d'Orbigny 1836) at the Swedish west coast (Skagerrak, North Sea) I. Polovodova Asteman et al. https://doi.org/10.1016/j.marmicro.2021.102083
- Meiofaunal diversity across a sharp gradient of fjord oxygenation: Insights from metabarcoding and morphology approaches in foraminifera P. O'Brien et al. https://doi.org/10.1016/j.marpolbul.2025.119145
- Late Glacial to Holocene environmental development near an oil-producing platform in the Danish North Sea K. Hansen et al. https://doi.org/10.3389/feart.2026.1720151
- Denitrification by benthic foraminifera and their contribution to N-loss from a fjord environment C. Choquel et al. https://doi.org/10.5194/bg-18-327-2021
- Early diagenesis of foraminiferal calcite under anoxic conditions: A case study from the Landsort Deep, Baltic Sea (IODP Site M0063) S. Ni et al. https://doi.org/10.1016/j.chemgeo.2020.119871
- Holocene Hydrographic Variations From the Baltic‐North Sea Transitional Area (IODP Site M0059) S. Ni et al. https://doi.org/10.1029/2019PA003722
- Macroecological patterns of planktonic unicellular eukaryotes richness in the Southeast Pacific Ocean S. Yáñez et al. https://doi.org/10.1038/s41598-025-03220-3
- 3D morphological variability in foraminifera unravel environmental changes in the Baltic Sea entrance over the last 200 years C. Choquel et al. https://doi.org/10.3389/feart.2023.1120170
- Morphology, distribution and assemblage impacts of three non-indigenous foraminiferal species on the Swedish west coast: Implications for shipping-related biopollution J. Pavard & I. Polovodova Asteman https://doi.org/10.1016/j.marpolbul.2026.119942
- A comprehensive seabed baseline for platform abandonment B. Lauridsen et al. https://doi.org/10.1016/j.gloplacha.2026.105464
- Recent environmental change in the Kosterhavet National Park marine protected area as reflected by hydrography and sediment proxy data I. Polovodova Asteman et al. https://doi.org/10.1016/j.marenvres.2021.105265
- Recent Increased Loading of Carbonaceous Pollution from Biomass Burning in the Baltic Sea K. Ljung et al. https://doi.org/10.1021/acsomega.2c04009
Saved (final revised paper)
Latest update: 09 Jun 2026
Short summary
We reconstructed environmental changes in the Öresund during the last 200 years, using foraminifera (microfossils), sediment, and climate data. Five zones were identified, reflecting oxygen, salinity, food content, and pollution levels for each period. The largest changes occurred ~ 1950, towards stronger currents. The foraminifera responded quickly (< 10 years) to the changes. Moreover, they did not rebound when the system returned to the previous pattern, but displayed a new equilibrium state.
We reconstructed environmental changes in the Öresund during the last 200 years, using...
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