Klyuvitkina, Tatiana S; Novichkova, Ekaterina A; Agafonova, Elizaveta A; Lozinskaia, Lubov A; Iakimova, Karina S; Matul, Alexander G; Chekhovskaya, Maria P; Mohan, Rahul; de Vernal, Anne (2026): Concentrations of diatoms and percentages of main ecological groups and species from sediment core AMK-6150 (Norwegian Sea) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.988976
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Published: 2026-01-23 • DOI registered: 2026-02-21
Abstract:
The data set contains micropaleontological data from core AMK-6150 (Norwegian Sea) that covers the last 2900 years. The data include concentrations of diatoms and percentages of main ecological groups and species from core AMK-6150 in relation with core depth and age.
Related to:
Klyuvitkina, Tatiana S; Novichkova, Ekaterina A; Agafonova, Elizaveta A; Lozinskaia, Lubov A; Iakimova, Karina S; Matul, Alexander G; Chekhovskaya, Maria P; Mohan, Rahul; de Vernal, Anne (2025): Late Holocene paleoceanography of the Knipovich Ridge area (Norwegian Sea) based on micropaleontological data. Marine Micropaleontology, 201, 102526, https://doi.org/10.1016/j.marmicro.2025.102526
Coverage:
Latitude: 74.779983 * Longitude: 8.435083
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 0.305 m
Event(s):
AMK75-6150 (AMK-6150, АМК-6150.MK-3) * Latitude: 74.779983 * Longitude: 8.435083 * Elevation: -3013.0 m * Recovery: 31 cm * Location: Knipovich Ridge * Campaign: AMK75 * Basis: Akademik Mstislav Keldysh * Method/Device: MultiCorer (MUC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 3 | AGE | Age | ka BP | Geocode | ||
| 4 | Diatoms | Diatoms | #/g | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 5 | Diatoms, warm | Diatom warm | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 6 | Diatoms, cold | Diatoms cold | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 7 | Diatoms, ice-neritic | Diatoms ice-neritic | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 8 | Diatoms, sea ice | Diatom sea ice | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 9 | Diatoms, sublittoral | Diatoms sublitt | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 10 | Diatoms, freshwater | Diatom fw | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 11 | Diatoms, fossil | Diatom fossil | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 12 | Attheya septentrionalis | A. septentrionalis | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 13 | Fragilariopsis oceanica | F. oceanica | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 14 | Bacterosira bathyomphala | B. bathyomphala | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 15 | Porosira glacialis | P. glacialis | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 16 | Thalassiosira gravida | T. gravida | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 17 | Thalassiosira nordenskioeldii | T. nordenskioeldii | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 18 | Paralia sulcata | P. sulcata | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 19 | Thalassiosira angustelineata | T. angustelineata | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 20 | Thalassiosira baltica | T. baltica | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 21 | Thalassiosira eccentrica | T. eccentrica | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 22 | Actinocyclus curvatulus | A. curvatulus | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 23 | Actinocyclus divisus | A. divisus | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 24 | Coscinodiscus asteromphalus | C. asteromphalus | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 25 | Coscinodiscus radiatus | C. radiatus | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 26 | Shionodiscus oestrupii | S. oestrupii | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 27 | Thalassionema nitzschioides | T. nitzschioides | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 28 | Aulacoseira islandica | A. islandica | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 29 | Aulacoseira subarctica | A. subarctica | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 30 | Cyclotella meneghiniana | C. meneghiniana | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 31 | Gomphonema parvulum | G. parvulum | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 32 | Neodenticula seminae | N. seminae | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 33 | Hemiaulus polymorphus | H. polymorphus | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 34 | Eupyxidicula turris | E. turris | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 35 | Pyxilla caput-avis var. gracilis | P. caput-avis var. gracilis | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 36 | Creswellia ferox | C. ferox | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
| 37 | Thalassiosira undulosa | T. undulosa | % | Agafonova, Elizaveta A | Calculated | % of diatom content |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
988 data points
Data
| 1 Event | 2 Depth sed [m] | 3 Age [ka BP] | 4 Diatoms [#/g] | 5 Diatom warm [%] | 6 Diatoms cold [%] | 7 Diatoms ice-neritic [%] | 8 Diatom sea ice [%] | 9 Diatoms sublitt [%] | 10 Diatom fw [%] | 11 Diatom fossil [%] | 12 A. septentrionalis [%] | 13 F. oceanica [%] | 14 B. bathyomphala [%] | 15 P. glacialis [%] | 16 T. gravida [%] | 17 T. nordenskioeldii [%] | 18 P. sulcata [%] | 19 T. angustelineata [%] | 20 T. baltica [%] | 21 T. eccentrica [%] | 22 A. curvatulus [%] | 23 A. divisus [%] | 24 C. asteromphalus [%] | 25 C. radiatus [%] | 26 S. oestrupii [%] | 27 T. nitzschioides [%] | 28 A. islandica [%] | 29 A. subarctica [%] | 30 C. meneghiniana [%] | 31 G. parvulum [%] | 32 N. seminae [%] | 33 H. polymorphus [%] | 34 E. turris [%] | 35 P. caput-avis var. gracilis [%] | 36 C. ferox [%] | 37 T. undulosa [%] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AMK75-6150 | 0.005 | 0.062 | 471639.01 | 79.55 | 13.64 | 1.52 | 4.55 | 2.27 | 0.00 | 0.00 | 3.79 | 0.76 | 0.00 | 0.76 | 0.00 | 0.00 | 1.52 | 0.00 | 3.79 | 6.82 | 0.00 | 0.00 | 0.00 | 46.97 | 3.03 | 25.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.79 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.015 | 0.138 | 337637.63 | 92.63 | 4.21 | 1.05 | 1.05 | 3.16 | 0.00 | 0.00 | 1.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.05 | 0.00 | 1.05 | 1.05 | 0.00 | 0.00 | 0.00 | 62.11 | 2.11 | 25.26 | 0.00 | 0.00 | 0.00 | 0.00 | 2.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.025 | 0.216 | 472615.16 | 68.75 | 20.00 | 5.00 | 1.25 | 7.50 | 0.00 | 0.00 | 1.25 | 0.00 | 0.00 | 0.00 | 1.25 | 0.00 | 6.25 | 1.25 | 5.00 | 1.25 | 2.50 | 0.00 | 1.25 | 36.25 | 0.00 | 28.75 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.035 | 0.295 | 661443.86 | 75.00 | 18.75 | 1.79 | 0.89 | 7.14 | 1.79 | 0.00 | 0.89 | 0.00 | 0.00 | 0.00 | 0.89 | 0.00 | 5.36 | 6.25 | 2.68 | 1.79 | 1.79 | 0.00 | 0.89 | 41.96 | 0.89 | 18.75 | 0.89 | 0.00 | 0.89 | 0.00 | 11.61 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.045 | 0.379 | 500356.64 | 65.48 | 22.62 | 7.14 | 0.00 | 3.57 | 2.38 | 0.00 | 0.00 | 0.00 | 1.19 | 2.38 | 1.19 | 0.00 | 2.38 | 5.95 | 7.14 | 0.00 | 4.76 | 1.19 | 0.00 | 30.95 | 0.00 | 27.38 | 0.00 | 2.38 | 0.00 | 0.00 | 4.76 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.055 | 0.468 | 263400.72 | 70.45 | 15.91 | 0.00 | 2.27 | 11.36 | 2.27 | 0.00 | 0.00 | 2.27 | 0.00 | 0.00 | 0.00 | 0.00 | 6.82 | 0.00 | 2.27 | 0.00 | 4.55 | 0.00 | 2.27 | 40.91 | 0.00 | 27.27 | 0.00 | 0.00 | 0.00 | 2.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.065 | 0.555 | 390299.95 | 86.57 | 13.43 | 0.00 | 0.00 | 1.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.49 | 0.00 | 4.48 | 1.49 | 2.99 | 0.00 | 0.00 | 41.79 | 1.49 | 41.79 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.075 | 0.641 | 433045.81 | 77.63 | 17.11 | 2.63 | 0.00 | 2.63 | 1.32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.32 | 1.32 | 1.32 | 0.00 | 7.89 | 0.00 | 6.58 | 0.00 | 0.00 | 38.16 | 0.00 | 39.47 | 0.00 | 1.32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.085 | 0.726 | 693008.07 | 78.81 | 14.41 | 5.93 | 0.00 | 1.69 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.85 | 1.69 | 0.85 | 1.69 | 0.00 | 7.63 | 1.69 | 2.54 | 1.69 | 0.00 | 39.83 | 0.00 | 36.44 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.095 | 0.810 | 653065.03 | 87.27 | 7.27 | 4.55 | 0.91 | 0.91 | 0.00 | 0.00 | 0.91 | 0.00 | 0.00 | 0.00 | 1.82 | 0.00 | 0.91 | 0.00 | 4.55 | 0.91 | 0.91 | 4.55 | 0.00 | 44.55 | 0.91 | 37.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.105 | 0.896 | 140246.33 | 82.56 | 9.30 | 6.98 | 0.00 | 3.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.65 | 0.00 | 3.49 | 0.00 | 3.49 | 0.00 | 1.16 | 0.00 | 0.00 | 52.33 | 1.16 | 27.91 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.115 | 0.982 | 134910.53 | 85.90 | 10.26 | 2.56 | 1.28 | 1.28 | 0.00 | 0.00 | 0.00 | 1.28 | 0.00 | 0.00 | 1.28 | 0.00 | 1.28 | 0.00 | 5.13 | 1.28 | 2.56 | 6.41 | 0.00 | 50.00 | 0.00 | 29.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.125 | 1.072 | 329855.03 | 80.36 | 12.50 | 7.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.36 | 0.00 | 0.00 | 0.00 | 7.14 | 0.00 | 3.57 | 3.57 | 0.00 | 23.21 | 0.00 | 53.57 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.135 | 1.164 | 438323.29 | 66.67 | 29.33 | 4.00 | 0.00 | 1.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.67 | 0.00 | 1.33 | 0.00 | 21.33 | 5.33 | 1.33 | 5.33 | 0.00 | 40.00 | 0.00 | 21.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.145 | 1.253 | 474757.53 | 82.93 | 9.76 | 3.66 | 1.22 | 1.22 | 0.00 | 0.00 | 1.22 | 0.00 | 0.00 | 0.00 | 2.44 | 0.00 | 1.22 | 0.00 | 7.32 | 1.22 | 0.00 | 0.00 | 1.22 | 40.24 | 1.22 | 40.24 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.155 | 1.340 | 475216.68 | 80.49 | 10.98 | 2.44 | 3.66 | 1.22 | 0.00 | 0.00 | 3.66 | 0.00 | 0.00 | 0.00 | 1.22 | 0.00 | 1.22 | 1.22 | 1.22 | 2.44 | 3.66 | 2.44 | 0.00 | 46.34 | 1.22 | 30.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.165 | 1.431 | 291854.25 | 90.38 | 7.69 | 0.00 | 0.00 | 1.92 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.92 | 1.92 | 1.92 | 0.00 | 1.92 | 0.00 | 0.00 | 34.62 | 1.92 | 53.85 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.175 | 1.527 | 137008.32 | 85.00 | 12.50 | 0.00 | 0.00 | 7.50 | 0.00 | 1.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.50 | 0.00 | 3.75 | 0.00 | 1.25 | 2.50 | 0.00 | 50.00 | 0.00 | 32.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.25 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.185 | 1.626 | 117629.56 | 91.30 | 5.80 | 2.90 | 0.00 | 1.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.45 | 1.45 | 1.45 | 0.00 | 0.00 | 0.00 | 2.90 | 47.83 | 0.00 | 40.58 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.195 | 1.728 | 130416.21 | 79.22 | 16.88 | 3.90 | 0.00 | 6.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.60 | 0.00 | 6.49 | 0.00 | 5.19 | 0.00 | 2.60 | 1.30 | 1.30 | 42.86 | 0.00 | 33.77 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.205 | 1.829 | 468864.59 | 75.95 | 13.92 | 8.86 | 1.27 | 1.27 | 0.00 | 0.00 | 1.27 | 0.00 | 0.00 | 0.00 | 7.59 | 0.00 | 1.27 | 7.59 | 3.80 | 0.00 | 1.27 | 1.27 | 1.27 | 44.30 | 1.27 | 27.85 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.215 | 1.930 | 519535.22 | 80.68 | 15.91 | 3.41 | 0.00 | 3.41 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.41 | 0.00 | 3.41 | 6.82 | 5.68 | 0.00 | 0.00 | 1.14 | 0.00 | 45.45 | 3.41 | 30.68 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.225 | 2.031 | 469329.42 | 83.54 | 12.66 | 3.80 | 0.00 | 3.80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.80 | 0.00 | 3.80 | 3.80 | 3.80 | 0.00 | 0.00 | 1.27 | 0.00 | 37.97 | 2.53 | 41.77 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.235 | 2.134 | 325587.83 | 58.93 | 30.36 | 8.93 | 1.79 | 14.29 | 0.00 | 0.00 | 1.79 | 0.00 | 0.00 | 1.79 | 7.14 | 0.00 | 14.29 | 10.71 | 1.79 | 0.00 | 0.00 | 1.79 | 1.79 | 12.50 | 1.79 | 41.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.245 | 2.236 | 77633.99 | 76.09 | 13.04 | 2.17 | 0.00 | 2.17 | 0.00 | 8.70 | 0.00 | 0.00 | 0.00 | 2.17 | 0.00 | 0.00 | 2.17 | 6.52 | 2.17 | 0.00 | 0.00 | 2.17 | 8.70 | 28.26 | 6.52 | 30.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.17 | 2.17 | 2.17 | 2.17 | 0.00 |
| AMK75-6150 | 0.255 | 2.340 | 402649.13 | 76.47 | 17.65 | 2.94 | 0.00 | 7.35 | 0.00 | 1.47 | 0.00 | 0.00 | 0.00 | 0.00 | 2.94 | 0.00 | 7.35 | 4.41 | 4.41 | 0.00 | 0.00 | 0.00 | 0.00 | 36.76 | 4.41 | 35.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.47 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.265 | 2.443 | 430446.01 | 76.39 | 19.44 | 4.17 | 0.00 | 5.56 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.78 | 0.00 | 5.56 | 6.94 | 1.39 | 0.00 | 1.39 | 1.39 | 2.78 | 36.11 | 2.78 | 33.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.275 | 2.547 | 259086.92 | 80.30 | 13.64 | 4.55 | 0.00 | 6.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.52 | 0.00 | 4.55 | 6.06 | 1.52 | 1.52 | 0.00 | 1.52 | 1.52 | 28.79 | 3.03 | 45.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| AMK75-6150 | 0.285 | 2.648 | 55302.00 | 78.57 | 14.29 | 0.00 | 0.00 | 14.29 | 0.00 | 7.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 14.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 21.43 | 0.00 | 57.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.14 |
| AMK75-6150 | 0.295 | 2.747 | 0.00 | |||||||||||||||||||||||||||||||||
| AMK75-6150 | 0.305 | 2.847 | 0.00 |