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Persistence of arctic-alpine flora during 24,000 years of environmental change in the Polar Urals

Persistence of arctic-alpine flora during 24,000 years of environmental change in the Polar Urals
Persistence of arctic-alpine flora during 24,000 years of environmental change in the Polar Urals
Plants adapted to extreme conditions can be at high risk from climate change; arctic-alpine plants, in particular, could “run out of space” as they are out-competed by expansion of woody vegetation. Mountain regions could potentially provide safe sites for arctic-alpine plants in a warmer climate, but empirical evidence is fragmentary. Here we present a 24,000-year record of species persistence based on sedimentary ancient DNA (sedaDNA) from Lake Bolshoye Shchuchye (Polar Urals). We provide robust evidence of long-term persistence of arctic-alpine plants through large-magnitude climate changes but document a decline in their diversity during a past expansion of woody vegetation. Nevertheless, most of the plants that were present during the last glacial interval, including all of the arctic-alpines, are still found in the region today. This underlines the conservation significance of mountain landscapes via their provision of a range of habitats that confer resilience to climate change, particularly for arctic-alpine taxa.
DRYAD
Clarke, Charlotte
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Edwards, Mary
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Gielly, Ludovic
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Ehrich, Dorothee
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Hughes, Paul
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Morozova, Liudmila
8b7723ea-d9e6-4be8-a957-8ea2758805cc
Haflidason, Haflidi
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Mangerud, Jan
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Svendsen, John Inge
9ce3f9aa-6eba-4134-be7d-08e1e350789f
Alsos, Inger
f875b85e-b658-4c57-b35a-ab6add94da12
Clarke, Charlotte
68afb5e9-7966-4b54-9549-47c49e350f6c
Edwards, Mary
4b6a3389-f3a4-4933-b8fd-acdfef72200e
Gielly, Ludovic
0a5c6314-0ee8-4df7-8af0-7bf31b9b15fe
Ehrich, Dorothee
54f9b971-cfe4-4640-bdc0-c43337a0db72
Hughes, Paul
14f83168-b203-4a91-a850-8c48535dc31b
Morozova, Liudmila
8b7723ea-d9e6-4be8-a957-8ea2758805cc
Haflidason, Haflidi
c1a02b7e-0355-4e05-bbbc-b9293527fda9
Mangerud, Jan
fcf45e64-071e-4757-8747-b88fb0bf3b1e
Svendsen, John Inge
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Alsos, Inger
f875b85e-b658-4c57-b35a-ab6add94da12

Gielly, Ludovic, Ehrich, Dorothee, Morozova, Liudmila, Haflidason, Haflidi, Mangerud, Jan, Svendsen, John Inge and Alsos, Inger (2019) Persistence of arctic-alpine flora during 24,000 years of environmental change in the Polar Urals. DRYAD doi:10.5061/dryad.jdfn2z378 [Dataset]

Record type: Dataset

Abstract

Plants adapted to extreme conditions can be at high risk from climate change; arctic-alpine plants, in particular, could “run out of space” as they are out-competed by expansion of woody vegetation. Mountain regions could potentially provide safe sites for arctic-alpine plants in a warmer climate, but empirical evidence is fragmentary. Here we present a 24,000-year record of species persistence based on sedimentary ancient DNA (sedaDNA) from Lake Bolshoye Shchuchye (Polar Urals). We provide robust evidence of long-term persistence of arctic-alpine plants through large-magnitude climate changes but document a decline in their diversity during a past expansion of woody vegetation. Nevertheless, most of the plants that were present during the last glacial interval, including all of the arctic-alpines, are still found in the region today. This underlines the conservation significance of mountain landscapes via their provision of a range of habitats that confer resilience to climate change, particularly for arctic-alpine taxa.

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More information

Published date: 1 January 2019

Identifiers

Local EPrints ID: 449132
URI: http://eprints.soton.ac.uk/id/eprint/449132
PURE UUID: ac68d545-61c9-469f-b0f6-f2e5cf3ba135
ORCID for Mary Edwards: ORCID iD orcid.org/0000-0002-3490-6682
ORCID for Paul Hughes: ORCID iD orcid.org/0000-0002-8447-382X

Catalogue record

Date deposited: 17 May 2021 16:34
Last modified: 17 Nov 2021 02:37

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Contributors

Contributor: Charlotte Clarke
Contributor: Mary Edwards ORCID iD
Creator: Ludovic Gielly
Creator: Dorothee Ehrich
Contributor: Paul Hughes ORCID iD
Creator: Liudmila Morozova
Creator: Haflidi Haflidason
Creator: Jan Mangerud
Creator: John Inge Svendsen
Creator: Inger Alsos

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