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Plikk, Anna; Engels, Stefan; Fernández-Fernández, Maria; Katrantsiotis, Christos; Kylander, Malin E; Löwemark, Ludvig; Salonen, Sakari; Väliranta, Minna; Helmens, Karin (2025): Absolute counts of botanical and zoological macro-remains obtained from the Eemian sediment sequence retrieved from Sokli (Finland) in 2010 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.979957 (DOI registration in progress)

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Published: 2025-04-09

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Abstract:
This dataset provides absolute counts of botanical and zoological macro-remains obtained from the Eemian sediment sequence retrieved from Sokli (Finland) in 2010. Counts per taxon are presented against master sequence depth (m) and age (ka BP). The macroremains dataset consists of a total of 54 samples and provides information on terrestrial and aquatic ecosystem dynamics (Salonen et al., 2018). Macrofossil samples were prepared at 4–20 cm intervals from subsamples of mainly ca. 5 cm3. The sediment was sieved using a 100 μm mesh under running water and the residue examined using stereo and high-magnification light microscopes. The analyses were performed in the laboratories of the University of Helsinki, Finland.
Keyword(s):
Chironomids; C/N; Diatom; Eemian; Finland; Itrax; loss on ignition; macrobotanical remains; MIS 5e; n-alkanes; non-pollen palynomorphs; Pollen; Sokli; stabe isotopes
Related to:
Helmens, Karin F; Salonen, J Sakari; Plikk, Anna; Engels, Stefan; Väliranta, Minna; Kylander, Malin E; Brendryen, J; Renssen, Hans (2015): Major cooling intersecting peak Eemian Interglacial warmth in northern Europe. Quaternary Science Reviews, 122, 293-299, https://doi.org/10.1016/j.quascirev.2015.05.018
Katrantsiotis, Christos; Norström, Elin; Smittenberg, Rienk H; Salonen, J Sakari; Plikk, Anna; Helmens, Karin (2021): Seasonal variability in temperature trends and atmospheric circulation systems during the Eemian (Last Interglacial) based on n-alkanes hydrogen isotopes from Northern Finland. Quaternary Science Reviews, 273, 107250, https://doi.org/10.1016/j.quascirev.2021.107250
Kylander, Malin E; Plikk, Anna; Rydberg, Johan; Löwemark, Ludvig; Salonen, J Sakari; Fernández-Fernández, Maria; Helmens, Karin (2018): New insights from XRF core scanning data into boreal lake ontogeny during the Eemian (Marine Isotope Stage 5e) at Sokli, northeast Finland. Quaternary Research, 89(1), 352-364, https://doi.org/10.1017/qua.2017.84
Plikk, Anna (2018): The Eemian Interglacial at Sokli, northern Finland [dissertation]. Stockholm University
Plikk, Anna; Engels, Stefan; Luoto, Tomi P; Nazarova, Larisa B; Salonen, J Sakari; Helmens, Karin F (2019): Chironomid-based temperature reconstruction for the Eemian Interglacial (MIS 5e) at Sokli, northeast Finland. Journal of Paleolimnology, 61(3), 355-371, https://doi.org/10.1007/s10933-018-00064-y
Plikk, Anna; Helmens, Karin F; Fernández-Fernández, Maria; Kylander, Malin E; Löwemark, Ludvig; Risberg, Jan; Salonen, J Sakari; Väliranta, Minna; Weckström, Jan (2016): Development of an Eemian (MIS 5e) Interglacial palaeolake at Sokli (N Finland) inferred using multiple proxies. Palaeogeography, Palaeoclimatology, Palaeoecology, 463, 11-26, https://doi.org/10.1016/j.palaeo.2016.09.008
Plikk, Anna; Risberg, Jan; Helmens, Karin F (2021): Diatom assemblages from an Eemian palaeolake in Northern Europe with morphological observations of rare Aulacoseira sp. resting spores. Diatom Research, 36(4), 313-321, https://doi.org/10.1080/0269249X.2021.2001381
References:
Salonen, J Sakari; Helmens, Karin F; Brendryen, Jo; Kuosmanen, Niina; Väliranta, Minna; Goring, Simon J; Korpela, Mikko; Kylander, Malin E; Philip, Annemarie; Plikk, Anna; Renssen, Hans; Luoto, Miska (2018): Abrupt high-latitude climate events and decoupled seasonal trends during the Eemian. Nature Communications, 9(1), 2851, https://doi.org/10.1038/s41467-018-05314-1
Funding:
Academy of Finland, grant/award no. 1278692
Academy of Finland, grant/award no. 1310649
Coverage:
Latitude: 67.800278 * Longitude: 29.300278
Date/Time Start: 2010-02-15T08:00:00 * Date/Time End: 2010-02-15T17:00:00
Minimum DEPTH, sediment/rock: 16.010 m * Maximum DEPTH, sediment/rock: 25.155 m
Event(s):
Sokli_2010/4 * Latitude: 67.800278 * Longitude: 29.300278 * Date/Time Start: 2010-02-15T08:00:00 * Date/Time End: 2010-02-15T17:00:00 * Elevation: 220.0 m * Method/Device: Rotary-percussion drill (RPDRILL)
Comment:
Further funding was provided by Swedish Nuclear Fuel and Waste Management Company (SKB) and Bolin Centre for Climate Research (Stockholm University).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmPlikk, AnnaGeocode
2AGEAgeka BPPlikk, AnnaGeocode
3Alnus, seedsAlnus seed#Plikk, AnnaMicroscopy
4Animal remainsAnimal rem#Plikk, AnnaMicroscopyUnidentified
5Betula, bark/leafBetula bark/leaf#Plikk, AnnaMicroscopy
6Betula, bud scalesBetula bud scales#Plikk, AnnaMicroscopy
7BryophytesBryo#Plikk, AnnaMicroscopymixed
8Bryozoa pectiB. pecti#Plikk, AnnaMicroscopy
9Callitriche cf. Cophocarpa, seedsC. cf. Cophocarpa seeds#Plikk, AnnaMicroscopy
10Callitriche hermaphroditica, seedsC. hermaphroditica seeds#Plikk, AnnaMicroscopy
11Callitriche sp., seedsCallitriche sp. seeds#Plikk, AnnaMicroscopy
12Carex, seedsCarex seeds#Plikk, AnnaMicroscopy
13Chara, oosporeChara oospore#Plikk, AnnaMicroscopy
14Charcoal particlesC. particles#Plikk, AnnaMicroscopy
15Chironomidae indeterminataChironomidae indet#Plikk, AnnaMicroscopy
16Cirsium sp., seedsCirsium sp. seeds#Plikk, AnnaMicroscopy
17Coniferae, barkConiferae bark#Plikk, AnnaMicroscopy
18Coniferae, seed wings or scale remainConifer seed wings or scale remain#Plikk, AnnaMicroscopy
19Cristatella statoblastC. statoblast#Plikk, AnnaMicroscopy
20Daphnia ephippiumD. ephippium#Plikk, AnnaMicroscopy
21EquisetumEqu#Plikk, AnnaMicroscopy
22Fish remainsFish rem#Plikk, AnnaMicroscopy
23Fungi sclerotiaF. sclerotia#Plikk, AnnaMicroscopy
24Gloeotrichia-typeGloeotrichia-T#Plikk, AnnaMicroscopy
25MiteMite#Plikk, AnnaMicroscopy
26Myriophyllum, vegetative remainsMyriophyllum vegetative rem#Plikk, AnnaMicroscopy
27Betula nana, seedsB. nana seed#Plikk, AnnaMicroscopy
28Nitella, oosporesNitella oospores#Plikk, AnnaMicroscopy
29Picea, needlesPicea needle#Plikk, AnnaMicroscopy
30Pinus, needlesPinus needle#Plikk, AnnaMicroscopy
31PlumatellaPlumatella#Plikk, AnnaMicroscopy
32PolytrichumPoy#Plikk, AnnaMicroscopyno teeth
33PolytrichumPoy#Plikk, AnnaMicroscopyteeth
34Potamogeton berchtoldii, leaf remainsP. berchtoldii leaf rem#Plikk, AnnaMicroscopy
35Salix, bark or leafSalix bark or leaf#Plikk, AnnaMicroscopy
36Organic fragmentsOrganic fragm#Plikk, AnnaMicroscopyUnidentified
37SphagnumSph#Plikk, AnnaMicroscopy
38Terrestrial leafTerr leaf#Plikk, AnnaMicroscopy
39Betula, seedsBetula seeds#Plikk, AnnaMicroscopy
40Wood, fragmentsWood fragments#Plikk, AnnaMicroscopyUnidentified
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2052 data points

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