PANGAEA_983895 Chironomid head capsules counts of the MIS-5a sediment sequence from Sokli (Finland) in 2010 Helmens, Karin; Engels, Stefan; Katrantsiotis, Christos; Kuosmanen, Niina; Luoto, Tomi P; Salonen, J Sakari; Väliranta, Minna Chironomid head capsules counts of the MIS-5a sediment sequence from Sokli (Finland) in 2010 2025-07-18 PANGAEA Dataset https://doi.pangaea.de/10.1594/PANGAEA.983895 Investigator Tomi P Luoto Earth Science DEPTH, sediment/rock Ablabesmyia Procladius Thienemannimyia Chironomus anthracinus-type Chironomus plumosus-type Cladopelma lateralis-type Cryptochironomus Dicrotendipes nervosus-type Endochironomus albipennis-type Endochironomus impar-type Endochironomus tendens-type Glyptotendipes barbipes-type Glyptotendipes pallens-type Microtendipes pedellus-type Pagastiella orophila-type Paracladopelma Paratendipes albimanus-type Polypedilum nubeculosum-type Sergentia coracina-type Stictochironomus rosenschoeldi-type Cladotanytarsus mancus-type Constempellina Corynocera ambigua Corynocera oliveri-type Micropsectra contracta-type Paratanytarsus penicillatus-type Tanytarsus chinyensis-type Tanytarsus glabrescens-type Tanytarsus lugens-type Tanytarsus mendax-type Tanytarsus pallidicornis-type Tanytarsus indeterminata Stempellina Pseudochironomus Corynoneura arctica-type Cricotopus cylindraecus-type Cricotopus intersectus-type Cricotopus-type P Eukiefferiella claripennis-type Heterotrissocladius marcidus-type Krenosmittia Limnophyes Metriocnemus fuscipes-type Nanocladius rectinervis-type Nanocladius branchicolus-type Orthocladius consobrinus-type Orthocladius oliveri-type Orthocladius-type I Parachaetocladius Parakiefferiella bathophila-type Parakiefferiella triquetra-type Propsilocerus lacustris-Type Psectrocladius flavus-type Psectrocladius barbatipes-type Psectrocladius septentrionalis-type Psectrocladius sordidellus-type Pseudodiamesa Pseudosmittia Synorthocladius Thienemanniella clavicornis-type Zalutschia-type A Zalutschia zalutschicola-type Diamesa zernyi/cinerella-type geoscientificInformation Borehole Sokli 2/2010 Chironomids diatoms Finland Hydraulic piston corer LOI Macro-remains MIS-5a non-pollen palynomorphs Odderade Pollen Sokli Sokli_2010/2 see description in data abstract 2010-02-15 2010-02-15 Complete 67.80027778 67.80027778 29.30027778 29.30027778 9.275 m (DEPTH, sediment/rock) 11.74 m (DEPTH, sediment/rock) unrestricted CC-BY-4.0: Creative Commons Attribution 4.0 International English PANGAEA Data Publisher for Earth & Environmental Science https://www.pangaea.de/ Data Center Contact Michael Diepenbroek info@pangaea.de

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Bremen Bremen 28359 Germany online 2457 data points text/tab-separated-values Helmens, Karin F; Katrantsiotis, Christos; Kuosmanen, Niina; Luoto, Tomi P; Salonen, J Sakari; Väliranta, Minna (2021): Prolonged interglacial warmth during the Last Glacial in northern Europe. Boreas, 50(2), 331-350, https://doi.org/10.1111/bor.12495 Brooks, Steve J; Langdon, Peter G; Heiri, Oliver (2007): The Identification and Use of Palaearctic Chironomidae Larvae in Palaeoecology. Quaternary Research Association, Technical Guide, Quaternary Research Association, London Quaternary Research Association Technical Guide, 10, 276 pp, https://edoc.unibas.ch/entities/publication/8701126d-f70d-4972-ad94-4b59d5cdf706

This dataset provides counts of chironomid head capsules for the MIS 5a sediment sequence retrieved from Sokli (Finland) in 2010. Counts per taxon are presented against depth (m). The chironomid dataset provides information on MIS 5a ecosystem dynamics and was used to quantitatively reconstruct climate conditions (Helmens et al., 2021). A total of 43 samples were selected for chironomid analysis. The samples were treated with warm KOH (10%) to de-flocculate the material and subsequently rinsed through a sieve with a 100-µm mesh. Chironomid head capsules (HCs) were hand-picked from the residue using a Bogorov sorting tray and mounted on permanent microscope slides using Euparal mounting medium. HCs were identified using Brooks et al. (2007). The top sample as well as the bottom three samples had very low count sums and these were left out of the dataset prior to further analysis. The final dataset presented here contains 39 samples. The analyses were performed in the laboratories of the University of Helsinki, Finland. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.983895"! ** Further funding was provided by SKB (Swedish Nuclear Fuel and Waste Management Company) and the Bolin Centre for Climate Research.

http://www.marinespecies.org/aphia.php?p=taxdetails&id=156905 Procladius http://www.marinespecies.org/aphia.php?p=taxdetails&id=181574 Cryptochironomus http://www.marinespecies.org/aphia.php?p=taxdetails&id=987216 Limnophyes https://doi.org/10.1111/bor.12495 Prolonged interglacial warmth during the Last Glacial in northern Europe https://edoc.unibas.ch/entities/publication/8701126d-f70d-4972-ad94-4b59d5cdf706 The Identification and Use of Palaearctic Chironomidae Larvae in Palaeoecology DIF 9.4 2025-07-18 2026-04-30