WFRF:(Salonen J. Sakari)
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03947naa a2200445 4500 | |
| 001 | oai:DiVA.org:su-68534 | |
| 003 | SwePub | |
| 008 | 120104s2011 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-685342 URI |
| 024 | 7 | a https://doi.org/10.1111/j.1365-2699.2010.02448.x2 DOI |
| 040 | a (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Valiranta, Minna4 aut |
| 245 | 1 0 | a Scattered late-glacial and early Holocene tree populations as dispersal nuclei for forest development in north-eastern European Russia |
| 264 | c 2010-12-09 | |
| 264 | 1 | b Wiley,c 2011 |
| 338 | a print2 rdacarrier | |
| 500 | a authorCount :6 | |
| 520 | a Aim Concepts about patterns and rates of post-glacial tree population migration are changing as a result of the increasing amount of palaeobotanical information being provided by macroscopic plant remains. Here we combine macrofossil, pollen and stomata records from five sites in north-eastern European Russia and summarize the results for the late-glacial-early Holocene transition. The late-glacial-early Holocene transition encompasses the first indications of trees (tree-type Betula, Picea abies, Abies sibirica and Larix sibirica) and subsequent forest development. Considerable time-lags between the first macrobotanical and/or stomata finds of spruce (Picea abies) and the establishment of a closed forest are reconsidered. Location Pechora basin, north-eastern European Russia. Methods We used plant macrofossil, stomata, pollen and radiocarbon analyses to reconstruct late-glacial and early Holocene tree establishment and forest development. The data were derived from lake sediment and peat archives. Results Palaeobotanical data reveal an early Holocene presence (11,500-10,000 cal. yr bp) of arboreal taxa at all five sites. One site presently located in the northernmost taiga zone, shows the presence of spruce and reproducing tree birch during the late-glacial. Given the current view of post-glacial population dynamics and migration rates, it seems likely that the source area of these early tree populations in north-eastern European Russia was not located in southern Europe but that these populations had local origins. Results thus support the emerging view that the first post-glacial population expansions in non-glaciated regions at high latitudes do not reflect migration from the south but were a result of an increase in the size and density of small persisting outlying tree populations. Main conclusions Results suggest that the area east of the margin of the Scandinavian ice sheet to the Ural Mountains had isolated patches of trees during the late-glacial and early Holocene and that these small populations acted as initial nuclei for population expansion and forest development in the early Holocene. | |
| 650 | 7 | a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng |
| 653 | a Early Holocene | |
| 653 | a forest development | |
| 653 | a glacial refugia | |
| 653 | a late-glacial | |
| 653 | a north-eastern European Russia | |
| 653 | a palaeobotany | |
| 653 | a tree colonization | |
| 700 | 1 | a Kaakinen, Anu4 aut |
| 700 | 1 | a Kuhry, Peteru Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)4 aut0 (Swepub:su)pkuhr |
| 700 | 1 | a Kultti, Seija4 aut |
| 700 | 1 | a Salonen, J. Sakari4 aut |
| 700 | 1 | a Seppa, Heikki4 aut |
| 710 | 2 | a Stockholms universitetb Institutionen för naturgeografi och kvartärgeologi (INK)4 org |
| 773 | 0 | t Journal of Biogeographyd : Wileyg 38:5, s. 922-932q 38:5<922-932x 0305-0270x 1365-2699 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-68534 |
| 856 | 4 8 | u https://doi.org/10.1111/j.1365-2699.2010.02448.x |
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