Late Quaternary Lacustrine Pollen Records from Southwestern Beringia
Abstract Sediment cores from three lakes in the Upper Kolyma region, northeast Russia, provide the first well-dated continuous record of late Quaternary vegetation change from far southwestern Beringia. The oldest pollen zone, tentatively assigned to the Karginsk (mid-Wisconsinan) Interstade, indica...
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Cambridge University Press (CUP)
1993
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crcambridgeupr:10.1006/qres.1993.1038 2024-09-09T20:12:12+00:00 Late Quaternary Lacustrine Pollen Records from Southwestern Beringia Lozhkin, Anatoly V. Anderson, Patricia M. Eisner, Wendy R. Ravako, Lilia G. Hopkins, David M. Brubaker, Linda B. Colinvaux, Paul A. Miller, Michael C. 1993 http://dx.doi.org/10.1006/qres.1993.1038 http://api.elsevier.com/content/article/PII:S0033589483710380?httpAccept=text/xml http://api.elsevier.com/content/article/PII:S0033589483710380?httpAccept=text/plain https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0033589400034475 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Quaternary Research volume 39, issue 3, page 314-324 ISSN 0033-5894 1096-0287 journal-article 1993 crcambridgeupr https://doi.org/10.1006/qres.1993.1038 2024-06-19T04:02:58Z Abstract Sediment cores from three lakes in the Upper Kolyma region, northeast Russia, provide the first well-dated continuous record of late Quaternary vegetation change from far southwestern Beringia. The oldest pollen zone, tentatively assigned to the Karginsk (mid-Wisconsinan) Interstade, indicates an Artemisia shrub tundra with Pinus pumila , Betula , and Alnus at mid- to low elevations. With the onset of the Sartan (late Wisconsinan) Stade, Pinus disappeared, probably indicating severely cold, dry winters and cool summers. As conditions deteriorated further, an Artemisia -Gramineae tundra developed. Selaginella rupestris and minor herb taxa indicate the presence of poor soils and disturbed ground. This herb tundra was replaced by a short-lived (< 1000 yr) Betula-Alnus shrub tundra followed by the rapid establishment of a Larix dahurica forest with a Betula exilis -ericales-lichen understory. Populus suaveolens and Chosenia may have formed limited hardwood gallery forests at this time. Modern vegetation associations probably developed during the early Holocene with the arrival of Pinus pumila ca. 9000 yr B.P. This shrub became important in the forest understory and, with B. exilis , formed a belt of shrub tundra beyond altitudinal treeline. Comparison of the Upper Kolyma and Alaskan pollen records indicates that important differences in vegetation types and timing of vegetation change occurred across Beringia during the late Quaternary. Article in Journal/Newspaper Tundra Beringia Cambridge University Press Kolyma ENVELOPE(161.000,161.000,69.500,69.500) Quaternary Research 39 3 314 324 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
description |
Abstract Sediment cores from three lakes in the Upper Kolyma region, northeast Russia, provide the first well-dated continuous record of late Quaternary vegetation change from far southwestern Beringia. The oldest pollen zone, tentatively assigned to the Karginsk (mid-Wisconsinan) Interstade, indicates an Artemisia shrub tundra with Pinus pumila , Betula , and Alnus at mid- to low elevations. With the onset of the Sartan (late Wisconsinan) Stade, Pinus disappeared, probably indicating severely cold, dry winters and cool summers. As conditions deteriorated further, an Artemisia -Gramineae tundra developed. Selaginella rupestris and minor herb taxa indicate the presence of poor soils and disturbed ground. This herb tundra was replaced by a short-lived (< 1000 yr) Betula-Alnus shrub tundra followed by the rapid establishment of a Larix dahurica forest with a Betula exilis -ericales-lichen understory. Populus suaveolens and Chosenia may have formed limited hardwood gallery forests at this time. Modern vegetation associations probably developed during the early Holocene with the arrival of Pinus pumila ca. 9000 yr B.P. This shrub became important in the forest understory and, with B. exilis , formed a belt of shrub tundra beyond altitudinal treeline. Comparison of the Upper Kolyma and Alaskan pollen records indicates that important differences in vegetation types and timing of vegetation change occurred across Beringia during the late Quaternary. |
format |
Article in Journal/Newspaper |
author |
Lozhkin, Anatoly V. Anderson, Patricia M. Eisner, Wendy R. Ravako, Lilia G. Hopkins, David M. Brubaker, Linda B. Colinvaux, Paul A. Miller, Michael C. |
spellingShingle |
Lozhkin, Anatoly V. Anderson, Patricia M. Eisner, Wendy R. Ravako, Lilia G. Hopkins, David M. Brubaker, Linda B. Colinvaux, Paul A. Miller, Michael C. Late Quaternary Lacustrine Pollen Records from Southwestern Beringia |
author_facet |
Lozhkin, Anatoly V. Anderson, Patricia M. Eisner, Wendy R. Ravako, Lilia G. Hopkins, David M. Brubaker, Linda B. Colinvaux, Paul A. Miller, Michael C. |
author_sort |
Lozhkin, Anatoly V. |
title |
Late Quaternary Lacustrine Pollen Records from Southwestern Beringia |
title_short |
Late Quaternary Lacustrine Pollen Records from Southwestern Beringia |
title_full |
Late Quaternary Lacustrine Pollen Records from Southwestern Beringia |
title_fullStr |
Late Quaternary Lacustrine Pollen Records from Southwestern Beringia |
title_full_unstemmed |
Late Quaternary Lacustrine Pollen Records from Southwestern Beringia |
title_sort |
late quaternary lacustrine pollen records from southwestern beringia |
publisher |
Cambridge University Press (CUP) |
publishDate |
1993 |
url |
http://dx.doi.org/10.1006/qres.1993.1038 http://api.elsevier.com/content/article/PII:S0033589483710380?httpAccept=text/xml http://api.elsevier.com/content/article/PII:S0033589483710380?httpAccept=text/plain https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0033589400034475 |
long_lat |
ENVELOPE(161.000,161.000,69.500,69.500) |
geographic |
Kolyma |
geographic_facet |
Kolyma |
genre |
Tundra Beringia |
genre_facet |
Tundra Beringia |
op_source |
Quaternary Research volume 39, issue 3, page 314-324 ISSN 0033-5894 1096-0287 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1006/qres.1993.1038 |
container_title |
Quaternary Research |
container_volume |
39 |
container_issue |
3 |
container_start_page |
314 |
op_container_end_page |
324 |
_version_ |
1809946786548154368 |