The History of Tree and Shrub Taxa on Bol'shoy Lyakhovsky Island (New Siberian Archipelago) since the Last Interglacial Uncovered by Sedimentary Ancient DNA and Pollen Data
Ecosystem boundaries, such as the Arctic-Boreal treeline, are strongly coupled with climate and were spatially highly dynamic during past glacial-interglacial cycles. Only a few studies cover vegetation changes since the last interglacial, as most of the former landscapes are inundated and difficult...
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MDPI AG
2017
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ftdoajarticles:oai:doaj.org/article:488253acede04db68a68efa42b58253f 2023-05-15T15:09:59+02:00 The History of Tree and Shrub Taxa on Bol'shoy Lyakhovsky Island (New Siberian Archipelago) since the Last Interglacial Uncovered by Sedimentary Ancient DNA and Pollen Data Heike H. Zimmermann Elena Raschke Laura S. Epp Kathleen R. Stoof-Leichsenring Lutz Schirrmeister Georg Schwamborn Ulrike Herzschuh 2017-10-01T00:00:00Z https://doi.org/10.3390/genes8100273 https://doaj.org/article/488253acede04db68a68efa42b58253f EN eng MDPI AG https://www.mdpi.com/2073-4425/8/10/273 https://doaj.org/toc/2073-4425 2073-4425 doi:10.3390/genes8100273 https://doaj.org/article/488253acede04db68a68efa42b58253f Genes, Vol 8, Iss 10, p 273 (2017) sedaDNA metabarcoding trnL single-nucleotide polymorphism (SNP) treeline MIS 5 to 1 permafrost deposits radiocarbon ages palaeoenvironment Larix Genetics QH426-470 article 2017 ftdoajarticles https://doi.org/10.3390/genes8100273 2022-12-31T14:08:57Z Ecosystem boundaries, such as the Arctic-Boreal treeline, are strongly coupled with climate and were spatially highly dynamic during past glacial-interglacial cycles. Only a few studies cover vegetation changes since the last interglacial, as most of the former landscapes are inundated and difficult to access. Using pollen analysis and sedimentary ancient DNA (sedaDNA) metabarcoding, we reveal vegetation changes on Bol’shoy Lyakhovsky Island since the last interglacial from permafrost sediments. Last interglacial samples depict high levels of floral diversity with the presence of trees (Larix, Picea, Populus) and shrubs (Alnus, Betula, Ribes, Cornus, Saliceae) on the currently treeless island. After the Last Glacial Maximum, Larix re-colonised the island but disappeared along with most shrub taxa. This was probably caused by Holocene sea-level rise, which led to increased oceanic conditions on the island. Additionally, we applied two newly developed larch-specific chloroplast markers to evaluate their potential for tracking past population dynamics from environmental samples. The novel markers were successfully re-sequenced and exhibited two variants of each marker in last interglacial samples. SedaDNA can track vegetation changes as well as genetic changes across geographic space through time and can improve our understanding of past processes that shape modern patterns. Article in Journal/Newspaper Arctic permafrost Directory of Open Access Journals: DOAJ Articles Arctic Ribes ENVELOPE(-60.633,-60.633,-62.650,-62.650) Genes 8 10 273 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
sedaDNA metabarcoding trnL single-nucleotide polymorphism (SNP) treeline MIS 5 to 1 permafrost deposits radiocarbon ages palaeoenvironment Larix Genetics QH426-470 |
spellingShingle |
sedaDNA metabarcoding trnL single-nucleotide polymorphism (SNP) treeline MIS 5 to 1 permafrost deposits radiocarbon ages palaeoenvironment Larix Genetics QH426-470 Heike H. Zimmermann Elena Raschke Laura S. Epp Kathleen R. Stoof-Leichsenring Lutz Schirrmeister Georg Schwamborn Ulrike Herzschuh The History of Tree and Shrub Taxa on Bol'shoy Lyakhovsky Island (New Siberian Archipelago) since the Last Interglacial Uncovered by Sedimentary Ancient DNA and Pollen Data |
topic_facet |
sedaDNA metabarcoding trnL single-nucleotide polymorphism (SNP) treeline MIS 5 to 1 permafrost deposits radiocarbon ages palaeoenvironment Larix Genetics QH426-470 |
description |
Ecosystem boundaries, such as the Arctic-Boreal treeline, are strongly coupled with climate and were spatially highly dynamic during past glacial-interglacial cycles. Only a few studies cover vegetation changes since the last interglacial, as most of the former landscapes are inundated and difficult to access. Using pollen analysis and sedimentary ancient DNA (sedaDNA) metabarcoding, we reveal vegetation changes on Bol’shoy Lyakhovsky Island since the last interglacial from permafrost sediments. Last interglacial samples depict high levels of floral diversity with the presence of trees (Larix, Picea, Populus) and shrubs (Alnus, Betula, Ribes, Cornus, Saliceae) on the currently treeless island. After the Last Glacial Maximum, Larix re-colonised the island but disappeared along with most shrub taxa. This was probably caused by Holocene sea-level rise, which led to increased oceanic conditions on the island. Additionally, we applied two newly developed larch-specific chloroplast markers to evaluate their potential for tracking past population dynamics from environmental samples. The novel markers were successfully re-sequenced and exhibited two variants of each marker in last interglacial samples. SedaDNA can track vegetation changes as well as genetic changes across geographic space through time and can improve our understanding of past processes that shape modern patterns. |
format |
Article in Journal/Newspaper |
author |
Heike H. Zimmermann Elena Raschke Laura S. Epp Kathleen R. Stoof-Leichsenring Lutz Schirrmeister Georg Schwamborn Ulrike Herzschuh |
author_facet |
Heike H. Zimmermann Elena Raschke Laura S. Epp Kathleen R. Stoof-Leichsenring Lutz Schirrmeister Georg Schwamborn Ulrike Herzschuh |
author_sort |
Heike H. Zimmermann |
title |
The History of Tree and Shrub Taxa on Bol'shoy Lyakhovsky Island (New Siberian Archipelago) since the Last Interglacial Uncovered by Sedimentary Ancient DNA and Pollen Data |
title_short |
The History of Tree and Shrub Taxa on Bol'shoy Lyakhovsky Island (New Siberian Archipelago) since the Last Interglacial Uncovered by Sedimentary Ancient DNA and Pollen Data |
title_full |
The History of Tree and Shrub Taxa on Bol'shoy Lyakhovsky Island (New Siberian Archipelago) since the Last Interglacial Uncovered by Sedimentary Ancient DNA and Pollen Data |
title_fullStr |
The History of Tree and Shrub Taxa on Bol'shoy Lyakhovsky Island (New Siberian Archipelago) since the Last Interglacial Uncovered by Sedimentary Ancient DNA and Pollen Data |
title_full_unstemmed |
The History of Tree and Shrub Taxa on Bol'shoy Lyakhovsky Island (New Siberian Archipelago) since the Last Interglacial Uncovered by Sedimentary Ancient DNA and Pollen Data |
title_sort |
history of tree and shrub taxa on bol'shoy lyakhovsky island (new siberian archipelago) since the last interglacial uncovered by sedimentary ancient dna and pollen data |
publisher |
MDPI AG |
publishDate |
2017 |
url |
https://doi.org/10.3390/genes8100273 https://doaj.org/article/488253acede04db68a68efa42b58253f |
long_lat |
ENVELOPE(-60.633,-60.633,-62.650,-62.650) |
geographic |
Arctic Ribes |
geographic_facet |
Arctic Ribes |
genre |
Arctic permafrost |
genre_facet |
Arctic permafrost |
op_source |
Genes, Vol 8, Iss 10, p 273 (2017) |
op_relation |
https://www.mdpi.com/2073-4425/8/10/273 https://doaj.org/toc/2073-4425 2073-4425 doi:10.3390/genes8100273 https://doaj.org/article/488253acede04db68a68efa42b58253f |
op_doi |
https://doi.org/10.3390/genes8100273 |
container_title |
Genes |
container_volume |
8 |
container_issue |
10 |
container_start_page |
273 |
_version_ |
1766341064160968704 |