Absolute and relative pollen diagrams from northernmost Fennoscandia
Absolute and relative pollen diagrams from three radiocarbon‑dated lake sediment cores were used to illustrate the Flandrian vegetation history of an area between Lake Inari and Varangerfjorden in northernmost Fennoscandia. The area is traversed by the modern pine forest limit and by the Main sub‑st...
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Geographical Society of Finland
1975
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fttsvojs:oai:journal.fi:article/9189 2023-05-15T16:11:39+02:00 Absolute and relative pollen diagrams from northernmost Fennoscandia Hyvärinen, Hannu 1975-01-01 https://fennia.journal.fi/article/view/9189 en eng Geographical Society of Finland https://fennia.journal.fi/article/view/9189 Copyright (c) 2014 Fennia Fennia; Vol 142 Nro 1 (1975) Fennia - International Journal of Geography; Vol 142 No 1 (1975) 1798-5617 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article 1975 fttsvojs 2020-09-30T22:46:18Z Absolute and relative pollen diagrams from three radiocarbon‑dated lake sediment cores were used to illustrate the Flandrian vegetation history of an area between Lake Inari and Varangerfjorden in northernmost Fennoscandia. The area is traversed by the modern pine forest limit and by the Main sub‑stage (Younger Dryas) end‑moraines. After an early Flandrian birch phase, pine immigrated around 8500 B.P., spreading already at that time into areas beyond its present range. Pine invasion was completed by 7500 B.P. The retreat of pine started around 5000 B.P. and continued until 3000‑2500 B.P., after which little further change is evident. The pine invasion is considered mainly a migration event, while the retreat was probably climatically determined. The Younger Dryas – early Flandrian transition is defined by the pollen sequence Artemisia zone ‑ birch zone, the zone boundary being correlative with the ice retreat from the Main sub‑stage moraines. This pollen sequence is similar to the one described from the Salpausselkä moraines in southeast Finland and has a similar relationship to the ice retreat history. Article in Journal/Newspaper Fennoscandia Inari Varangerfjord* Varangerfjorden Federation of Finnish Learned Societies: Scientific Journals Online Inari ENVELOPE(27.029,27.029,68.906,68.906) Varangerfjorden ENVELOPE(30.000,30.000,70.000,70.000) |
institution |
Open Polar |
collection |
Federation of Finnish Learned Societies: Scientific Journals Online |
op_collection_id |
fttsvojs |
language |
English |
description |
Absolute and relative pollen diagrams from three radiocarbon‑dated lake sediment cores were used to illustrate the Flandrian vegetation history of an area between Lake Inari and Varangerfjorden in northernmost Fennoscandia. The area is traversed by the modern pine forest limit and by the Main sub‑stage (Younger Dryas) end‑moraines. After an early Flandrian birch phase, pine immigrated around 8500 B.P., spreading already at that time into areas beyond its present range. Pine invasion was completed by 7500 B.P. The retreat of pine started around 5000 B.P. and continued until 3000‑2500 B.P., after which little further change is evident. The pine invasion is considered mainly a migration event, while the retreat was probably climatically determined. The Younger Dryas – early Flandrian transition is defined by the pollen sequence Artemisia zone ‑ birch zone, the zone boundary being correlative with the ice retreat from the Main sub‑stage moraines. This pollen sequence is similar to the one described from the Salpausselkä moraines in southeast Finland and has a similar relationship to the ice retreat history. |
format |
Article in Journal/Newspaper |
author |
Hyvärinen, Hannu |
spellingShingle |
Hyvärinen, Hannu Absolute and relative pollen diagrams from northernmost Fennoscandia |
author_facet |
Hyvärinen, Hannu |
author_sort |
Hyvärinen, Hannu |
title |
Absolute and relative pollen diagrams from northernmost Fennoscandia |
title_short |
Absolute and relative pollen diagrams from northernmost Fennoscandia |
title_full |
Absolute and relative pollen diagrams from northernmost Fennoscandia |
title_fullStr |
Absolute and relative pollen diagrams from northernmost Fennoscandia |
title_full_unstemmed |
Absolute and relative pollen diagrams from northernmost Fennoscandia |
title_sort |
absolute and relative pollen diagrams from northernmost fennoscandia |
publisher |
Geographical Society of Finland |
publishDate |
1975 |
url |
https://fennia.journal.fi/article/view/9189 |
long_lat |
ENVELOPE(27.029,27.029,68.906,68.906) ENVELOPE(30.000,30.000,70.000,70.000) |
geographic |
Inari Varangerfjorden |
geographic_facet |
Inari Varangerfjorden |
genre |
Fennoscandia Inari Varangerfjord* Varangerfjorden |
genre_facet |
Fennoscandia Inari Varangerfjord* Varangerfjorden |
op_source |
Fennia; Vol 142 Nro 1 (1975) Fennia - International Journal of Geography; Vol 142 No 1 (1975) 1798-5617 |
op_relation |
https://fennia.journal.fi/article/view/9189 |
op_rights |
Copyright (c) 2014 Fennia |
_version_ |
1765996807766147072 |