Chironomid head capsules counts of the MIS-5a sediment sequence from Sokli (Finland) in 2010
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
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PANGAEA
2025
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| _version_ | 1867171053032177664 |
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| author | Helmens, Karin Engels, Stefan Katrantsiotis, Christos Kuosmanen, Niina Luoto, Tomi P Salonen, J Sakari Väliranta, Minna |
| author_facet | Helmens, Karin Engels, Stefan Katrantsiotis, Christos Kuosmanen, Niina Luoto, Tomi P Salonen, J Sakari Väliranta, Minna |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | 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. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_983895 |
| institution | PANGAEA |
| language | en |
| publishDate | 2025 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | 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 Ablabesmyia; Borehole Sokli 2/2010; Chironomids; Chironomus anthracinus-type; Chironomus plumosus-type; Cladopelma lateralis-type; Cladotanytarsus mancus-type; Constempellina; Corynocera ambigua; Corynocera oliveri-type; Corynoneura arctica-type; Cricotopus cylindraecus-type; Cricotopus intersectus-type; Cricotopus-type P; Cryptochironomus; DEPTH, sediment/rock; Diamesa zernyi/cinerella-type; diatoms; Dicrotendipes nervosus-type; Endochironomus albipennis-type; Endochironomus impar-type; Endochironomus tendens-type; Eukiefferiella claripennis-type; Finland; Glyptotendipes barbipes-type; Glyptotendipes pallens-type; Heterotrissocladius marcidus-type; HPC; Hydraulic piston corer; Krenosmittia; Limnophyes; LOI; Macro-remains; Metriocnemus fuscipes-type; Micropsectra contracta-type; Microtendipes pedellus-type; MIS-5a; Nanocladius branchicolus-type; Nanocladius rectinervis-type; non-pollen palynomorphs; Odderade; Orthocladius consobrinus-type; Orthocladius oliveri-type; Orthocladius-type I; Pagastiella orophila-type; Parachaetocladius; Paracladopelma; Parakiefferiella bathophila-type; Parakiefferiella triquetra-type; Paratanytarsus penicillatus-type; Paratendipes albimanus-type; Pollen; Polypedilum nubeculosum-type; Procladius; Propsilocerus lacustris-Type; Psectrocladius barbatipes-type; Psectrocladius flavus-type; Psectrocladius septentrionalis-type; Psectrocladius sordidellus-type; Pseudochironomus; Pseudodiamesa; Pseudosmittia; see description in data abstract; Sergentia coracina-type; Sokli; Sokli_2010/2; Stempellina; Stictochironomus rosenschoeldi-type; Synorthocladius; Tanytarsus chinyensis-type; Tanytarsus glabrescens-type; Tanytarsus indeterminata; Tanytarsus lugens-type; Tanytarsus mendax-type; Tanytarsus pallidicornis-type; Thienemanniella clavicornis-type; Thienemannimyia; Zalutschia-type A; Zalutschia zalutschicola-type 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. |
| title | Chironomid head capsules counts of the MIS-5a sediment sequence from Sokli (Finland) in 2010 |
| topic | Ablabesmyia; Borehole Sokli 2/2010; Chironomids; Chironomus anthracinus-type; Chironomus plumosus-type; Cladopelma lateralis-type; Cladotanytarsus mancus-type; Constempellina; Corynocera ambigua; Corynocera oliveri-type; Corynoneura arctica-type; Cricotopus cylindraecus-type; Cricotopus intersectus-type; Cricotopus-type P; Cryptochironomus; DEPTH, sediment/rock; Diamesa zernyi/cinerella-type; diatoms; Dicrotendipes nervosus-type; Endochironomus albipennis-type; Endochironomus impar-type; Endochironomus tendens-type; Eukiefferiella claripennis-type; Finland; Glyptotendipes barbipes-type; Glyptotendipes pallens-type; Heterotrissocladius marcidus-type; HPC; Hydraulic piston corer; Krenosmittia; Limnophyes; LOI; Macro-remains; Metriocnemus fuscipes-type; Micropsectra contracta-type; Microtendipes pedellus-type; MIS-5a; Nanocladius branchicolus-type; Nanocladius rectinervis-type; non-pollen palynomorphs; Odderade; Orthocladius consobrinus-type; Orthocladius oliveri-type; Orthocladius-type I; Pagastiella orophila-type; Parachaetocladius; Paracladopelma; Parakiefferiella bathophila-type; Parakiefferiella triquetra-type; Paratanytarsus penicillatus-type; Paratendipes albimanus-type; Pollen; Polypedilum nubeculosum-type; Procladius; Propsilocerus lacustris-Type; Psectrocladius barbatipes-type; Psectrocladius flavus-type; Psectrocladius septentrionalis-type; Psectrocladius sordidellus-type; Pseudochironomus; Pseudodiamesa; Pseudosmittia; see description in data abstract; Sergentia coracina-type; Sokli; Sokli_2010/2; Stempellina; Stictochironomus rosenschoeldi-type; Synorthocladius; Tanytarsus chinyensis-type; Tanytarsus glabrescens-type; Tanytarsus indeterminata; Tanytarsus lugens-type; Tanytarsus mendax-type; Tanytarsus pallidicornis-type; Thienemanniella clavicornis-type; Thienemannimyia; Zalutschia-type A; Zalutschia zalutschicola-type |
| url | https://doi.org/10.1594/PANGAEA.983895 |