Late Quaternary biomes of Canada and the eastern United States
Biome reconstructions for Canada and eastern US 2 1 Pollen data have been used to construct biome maps for today, 6000 14C yr B.P., and 18,000 14C yr B.P. for Canada and the eastern United States 2 The inferred modern biome distributions agree well with independent reconstructions of North American...
Main Authors: | , , , |
---|---|
Other Authors: | |
Format: | Text |
Language: | English |
Published: |
2000
|
Subjects: | |
Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.557.7089 http://www.bridge.bris.ac.uk/projects/BIOME_6000/SpecialIssue2/BIOME2_downloads/williams.pdf |
id |
ftciteseerx:oai:CiteSeerX.psu:10.1.1.557.7089 |
---|---|
record_format |
openpolar |
spelling |
ftciteseerx:oai:CiteSeerX.psu:10.1.1.557.7089 2023-05-15T18:40:27+02:00 Late Quaternary biomes of Canada and the eastern United States John W. Williams Thompson Webb Iii Pierre H Richard Paige Newby The Pennsylvania State University CiteSeerX Archives 2000 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.557.7089 http://www.bridge.bris.ac.uk/projects/BIOME_6000/SpecialIssue2/BIOME2_downloads/williams.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.557.7089 http://www.bridge.bris.ac.uk/projects/BIOME_6000/SpecialIssue2/BIOME2_downloads/williams.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.bridge.bris.ac.uk/projects/BIOME_6000/SpecialIssue2/BIOME2_downloads/williams.pdf text 2000 ftciteseerx 2016-01-08T11:51:30Z Biome reconstructions for Canada and eastern US 2 1 Pollen data have been used to construct biome maps for today, 6000 14C yr B.P., and 18,000 14C yr B.P. for Canada and the eastern United States 2 The inferred modern biome distributions agree well with independent reconstructions of North American vegetation prior to European settlement. Some discrepancies between the pollen data and the modern potential vegetation are caused by post-settlement clearing of the landscape and the consequent increase of herbaceous types in the recent pollen record. 3 Biome distributions at 6000 14C yr B.P. reflected the warmer and drier conditions then prevalent in the continental interior, but the overall position of biomes was similar to that today. Boreal treeline in North America was not significantly north of its present position, in contrast to the 100-300 km shift reported for Siberia. At the last glacial maximum (18,000 14C yr B.P.), steppe and tundra were prevalent in the Midwest and northwestern Canada, and coniferous forests and woodlands grew in eastern North America. The open vegetation at 18,000 14C yr B.P. was likely due to drier conditions and/or lower concentrations of atmospheric CO2. Text Tundra Siberia Unknown Canada |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
ftciteseerx |
language |
English |
description |
Biome reconstructions for Canada and eastern US 2 1 Pollen data have been used to construct biome maps for today, 6000 14C yr B.P., and 18,000 14C yr B.P. for Canada and the eastern United States 2 The inferred modern biome distributions agree well with independent reconstructions of North American vegetation prior to European settlement. Some discrepancies between the pollen data and the modern potential vegetation are caused by post-settlement clearing of the landscape and the consequent increase of herbaceous types in the recent pollen record. 3 Biome distributions at 6000 14C yr B.P. reflected the warmer and drier conditions then prevalent in the continental interior, but the overall position of biomes was similar to that today. Boreal treeline in North America was not significantly north of its present position, in contrast to the 100-300 km shift reported for Siberia. At the last glacial maximum (18,000 14C yr B.P.), steppe and tundra were prevalent in the Midwest and northwestern Canada, and coniferous forests and woodlands grew in eastern North America. The open vegetation at 18,000 14C yr B.P. was likely due to drier conditions and/or lower concentrations of atmospheric CO2. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
John W. Williams Thompson Webb Iii Pierre H Richard Paige Newby |
spellingShingle |
John W. Williams Thompson Webb Iii Pierre H Richard Paige Newby Late Quaternary biomes of Canada and the eastern United States |
author_facet |
John W. Williams Thompson Webb Iii Pierre H Richard Paige Newby |
author_sort |
John W. Williams |
title |
Late Quaternary biomes of Canada and the eastern United States |
title_short |
Late Quaternary biomes of Canada and the eastern United States |
title_full |
Late Quaternary biomes of Canada and the eastern United States |
title_fullStr |
Late Quaternary biomes of Canada and the eastern United States |
title_full_unstemmed |
Late Quaternary biomes of Canada and the eastern United States |
title_sort |
late quaternary biomes of canada and the eastern united states |
publishDate |
2000 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.557.7089 http://www.bridge.bris.ac.uk/projects/BIOME_6000/SpecialIssue2/BIOME2_downloads/williams.pdf |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Tundra Siberia |
genre_facet |
Tundra Siberia |
op_source |
http://www.bridge.bris.ac.uk/projects/BIOME_6000/SpecialIssue2/BIOME2_downloads/williams.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.557.7089 http://www.bridge.bris.ac.uk/projects/BIOME_6000/SpecialIssue2/BIOME2_downloads/williams.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766229801350201344 |