A Continuous Centennial Late Glacial-Early Holocene (15-10 cal kyr BP) Palynological Record from the Iberian Pyrenees and Regional Comparisons
This paper presents the first continuous (gap-free) Late Glacial-Early Holocene (LGEH) pollen record for the Iberian Pyrenees resolved at centennial resolution. The main aims are (i) to provide a standard chronostratigraphic correlation framework, (ii) to unravel the relationships between vegetation...
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Multidisciplinary Digital Publishing Institute
2023
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Online Access: | http://hdl.handle.net/10261/338815 https://doi.org/10.3390/plants12203644 |
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ftcsic:oai:digital.csic.es:10261/338815 2024-02-11T10:04:27+01:00 A Continuous Centennial Late Glacial-Early Holocene (15-10 cal kyr BP) Palynological Record from the Iberian Pyrenees and Regional Comparisons Rull, Valentí Blasco, Arnau Calero, Miguel Ángel Blaauw, Maarten Vegas-Vilarrúbia, Teresa Institut d'Estudis Catalans Autonomous Organization of National Parks University and Research Grants Agency 2023-10-22 http://hdl.handle.net/10261/338815 https://doi.org/10.3390/plants12203644 unknown Multidisciplinary Digital Publishing Institute Publisher's version https://doi.org/10.3390/plants12203644 Sí doi:https://doi.org/10.3390/plants12203644 issn: 2223-7747 Plants 12(20): 3644 (2023) http://hdl.handle.net/10261/338815 open Pyrenees Palynology Pollen stratigraphy Climate change Fire Vegetation response Late Glacial Early Holocene artículo 2023 ftcsic https://doi.org/10.3390/plants12203644 2024-01-16T11:54:47Z This paper presents the first continuous (gap-free) Late Glacial-Early Holocene (LGEH) pollen record for the Iberian Pyrenees resolved at centennial resolution. The main aims are (i) to provide a standard chronostratigraphic correlation framework, (ii) to unravel the relationships between vegetation shifts, climatic changes and fire, and (iii) to obtain a regional picture of LGEH vegetation for the Pyrenees and the surrounding lowlands. Seven pollen assemblage zones were obtained and correlated with the stadial/interstadial phases of the Greenland ice cores that serve as a global reference. Several well-dated datums were also derived for keystone individual taxa that are useful for correlation purposes. Four vegetation types were identified, two of them corresponding to conifer and deciduous forests (Cf, Df) and two representing open vegetation types (O1, O2) with no modern analogs, dominated by Artemisia-Poaceae and Saxifraga-Cichorioideae, respectively. Forests dominated during interstadial phases (Bølling/Allerød and Early Holocene), whereas O1 dominated during stadials (Oldest Dryas and Younger Dryas), with O2 being important only in the first half of the Younger Dryas. The use of pollen-independent proxies for temperature and moisture allowed the reconstruction of paleoclimatic trends and the responses of the four vegetation types defined. The most relevant observation in this sense was the finding of wet climates during the Younger Dryas, which challenges the traditional view of arid conditions for this phase on the basis of former pollen records. Fire incidence was low until the Early Holocene, when regional fires were exacerbated, probably due to the combination of higher temperatures and forest biomass accumulation. These results are compared with the pollen records available for the whole Pyrenean range and the surrounding lowlands within the framework of elevational, climatic and biogeographical gradients. Some potential future developments are suggested on the basis of the obtained results, with an ... Article in Journal/Newspaper Greenland Greenland ice cores Digital.CSIC (Spanish National Research Council) Greenland Plants 12 20 3644 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
topic |
Pyrenees Palynology Pollen stratigraphy Climate change Fire Vegetation response Late Glacial Early Holocene |
spellingShingle |
Pyrenees Palynology Pollen stratigraphy Climate change Fire Vegetation response Late Glacial Early Holocene Rull, Valentí Blasco, Arnau Calero, Miguel Ángel Blaauw, Maarten Vegas-Vilarrúbia, Teresa A Continuous Centennial Late Glacial-Early Holocene (15-10 cal kyr BP) Palynological Record from the Iberian Pyrenees and Regional Comparisons |
topic_facet |
Pyrenees Palynology Pollen stratigraphy Climate change Fire Vegetation response Late Glacial Early Holocene |
description |
This paper presents the first continuous (gap-free) Late Glacial-Early Holocene (LGEH) pollen record for the Iberian Pyrenees resolved at centennial resolution. The main aims are (i) to provide a standard chronostratigraphic correlation framework, (ii) to unravel the relationships between vegetation shifts, climatic changes and fire, and (iii) to obtain a regional picture of LGEH vegetation for the Pyrenees and the surrounding lowlands. Seven pollen assemblage zones were obtained and correlated with the stadial/interstadial phases of the Greenland ice cores that serve as a global reference. Several well-dated datums were also derived for keystone individual taxa that are useful for correlation purposes. Four vegetation types were identified, two of them corresponding to conifer and deciduous forests (Cf, Df) and two representing open vegetation types (O1, O2) with no modern analogs, dominated by Artemisia-Poaceae and Saxifraga-Cichorioideae, respectively. Forests dominated during interstadial phases (Bølling/Allerød and Early Holocene), whereas O1 dominated during stadials (Oldest Dryas and Younger Dryas), with O2 being important only in the first half of the Younger Dryas. The use of pollen-independent proxies for temperature and moisture allowed the reconstruction of paleoclimatic trends and the responses of the four vegetation types defined. The most relevant observation in this sense was the finding of wet climates during the Younger Dryas, which challenges the traditional view of arid conditions for this phase on the basis of former pollen records. Fire incidence was low until the Early Holocene, when regional fires were exacerbated, probably due to the combination of higher temperatures and forest biomass accumulation. These results are compared with the pollen records available for the whole Pyrenean range and the surrounding lowlands within the framework of elevational, climatic and biogeographical gradients. Some potential future developments are suggested on the basis of the obtained results, with an ... |
author2 |
Institut d'Estudis Catalans Autonomous Organization of National Parks University and Research Grants Agency |
format |
Article in Journal/Newspaper |
author |
Rull, Valentí Blasco, Arnau Calero, Miguel Ángel Blaauw, Maarten Vegas-Vilarrúbia, Teresa |
author_facet |
Rull, Valentí Blasco, Arnau Calero, Miguel Ángel Blaauw, Maarten Vegas-Vilarrúbia, Teresa |
author_sort |
Rull, Valentí |
title |
A Continuous Centennial Late Glacial-Early Holocene (15-10 cal kyr BP) Palynological Record from the Iberian Pyrenees and Regional Comparisons |
title_short |
A Continuous Centennial Late Glacial-Early Holocene (15-10 cal kyr BP) Palynological Record from the Iberian Pyrenees and Regional Comparisons |
title_full |
A Continuous Centennial Late Glacial-Early Holocene (15-10 cal kyr BP) Palynological Record from the Iberian Pyrenees and Regional Comparisons |
title_fullStr |
A Continuous Centennial Late Glacial-Early Holocene (15-10 cal kyr BP) Palynological Record from the Iberian Pyrenees and Regional Comparisons |
title_full_unstemmed |
A Continuous Centennial Late Glacial-Early Holocene (15-10 cal kyr BP) Palynological Record from the Iberian Pyrenees and Regional Comparisons |
title_sort |
continuous centennial late glacial-early holocene (15-10 cal kyr bp) palynological record from the iberian pyrenees and regional comparisons |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2023 |
url |
http://hdl.handle.net/10261/338815 https://doi.org/10.3390/plants12203644 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Greenland ice cores |
genre_facet |
Greenland Greenland ice cores |
op_relation |
Publisher's version https://doi.org/10.3390/plants12203644 Sí doi:https://doi.org/10.3390/plants12203644 issn: 2223-7747 Plants 12(20): 3644 (2023) http://hdl.handle.net/10261/338815 |
op_rights |
open |
op_doi |
https://doi.org/10.3390/plants12203644 |
container_title |
Plants |
container_volume |
12 |
container_issue |
20 |
container_start_page |
3644 |
_version_ |
1790601053737058304 |