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Data from: Fifty thousand years of arctic vegetation and megafaunal diet

Data from: Fifty thousand years of arctic vegetation and megafaunal diet
Data from: Fifty thousand years of arctic vegetation and megafaunal diet
Although it is generally agreed that the arctic flora is among the youngest and least diverse on Earth, the processes that shaped it are poorly understood. Here we present 50 thousand years (kyr) of arctic vegetation history, derived from the first large-scale ancient DNA metabarcoding study of circumpolar plant diversity. For this interval we additionally explore nematode diversity as a proxy for modelling vegetation cover and soil quality, and diets of herbivorous megafaunal mammals, many of which became extinct around 10 kyr BP (before present). For much of the period investigated, arctic vegetation consisted of dry steppe tundra dominated by forbs (non-graminoid herbaceous vascular plants). During the Last Glacial Maximum (25–15 kyr BP), diversity declined markedly, although forbs remained dominant. Much changed after 10 kyr BP, with the appearance of moist tundra dominated by woody plants and graminoids. Our analyses indicate that both graminoids and forbs would have featured in megafaunal diets. As such our findings question the predominance of a late Quaternary graminoid-dominated arctic “mammoth steppe”.,Sheep diet dataFasta file containing the sequence dataovis_sequence_data.fastaMegafauna diet dataFasta file containing sequence data.megafauna_diet_sequence_data.fastaNematoda sequence dataFasta file containing the raw sequence data.nematoda_sequence_data.fastaNematoda filtered sequence dataFasta file containing the filtered sequence data.nematoda_filtered_sequence_data.fastaMegafauna sequence dataFasta file containing the sequence data.megafauna_sequence_data.fastaMegafauna filtered dataTabulated file containing the filtered data.megafauna_filtered_data.txtSheep diet filtered dataTabulated file containing filtered data of sheep diet.ovis_filtered_data.txtFull permafrost datasetcsv file containing the full permafrost dataset.permafrost.fulldata.csvReference database Arctic (gh)Fasta file of the Arctic reference database (P6 loop of the trnL)references.arctic-gh.fastaReference database Arctic (ITSAst)Fasta file of the Arctic reference database (ITSAst)references.arctic-ITSAst.fastaReference database Arctic (ITSCyp)Fasta file of the Arctic reference database (ITSCyp)references.arctic-ITSCyp.fastaReference database Arctic (ITSPoa)Fasta file of the Arctic reference database (ITSPoa)references.arctic-ITSPoa.fastaReference database Boreal (gh)Fasta file of the Boreal reference database (P6 loop of the trnL)references.boreal-gh.fastaReference database EMBL (gh)Fasta file of the EMBL reference database (P6 loop of the trnL)references.embl-gh.fastaReference database EMBL (ITSAst)Fasta file of the EMBL reference database (ITSAst)references.embl-ITSAst.fastaReference database EMBL (ITSCyp)Fasta file of the EMBL reference database (ITSCyp)references.embl-ITSCyp.fastaReference database EMBL (ITSPoa)Fasta file of the EMBL reference database (ITSPoa)references.embl-ITSPoa.fasta,
DRYAD
Willerslev, Eske
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Taberlet, Pierre
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Murton, Julian
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Brochmann, Christian
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Taberlet, Pierre
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Willerslev, Eske, Davison, John, Coissac, Eric, Lorenzen, Eline D., Vestergård, Mette, Gussarova, Galina, Haile, James, Craine, Joseph, Gielly, Ludovic, Boessenkool, Sanne, Epp, Laura S., Pearman, Peter B., Cheddadi, Rachid, Murray, David, Yoccoz, Nigel, Cruaud, Corinne, Wincker, Patrick, Goslar, Tomasz, Alsos, Inger Greve, Bellemain, Eva, Elven, Reidar, Sønstebø, Jørn Henrik, Murton, Julian, Sher, Andrei, Rasmussen, Morten, Rønn, Regin, Mourier, Tobias, Möller, Per, Froese, Duane, Zazula, Grant, Pompanon, François, Rioux, Delphine, Niderkorn, Vincent, Tikhonov, Alexei, Savvinov, Grigoriy, Roberts, Richard G., MacPhee, Ross D. E., Gilbert, M. Thomas P., Kjær, Kurt H., Orlando, Ludovic, Brochmann, Christian and Taberlet, Pierre (2014) Data from: Fifty thousand years of arctic vegetation and megafaunal diet. DRYAD doi:10.5061/dryad.ph8s5 [Dataset]

Record type: Dataset

Abstract

Although it is generally agreed that the arctic flora is among the youngest and least diverse on Earth, the processes that shaped it are poorly understood. Here we present 50 thousand years (kyr) of arctic vegetation history, derived from the first large-scale ancient DNA metabarcoding study of circumpolar plant diversity. For this interval we additionally explore nematode diversity as a proxy for modelling vegetation cover and soil quality, and diets of herbivorous megafaunal mammals, many of which became extinct around 10 kyr BP (before present). For much of the period investigated, arctic vegetation consisted of dry steppe tundra dominated by forbs (non-graminoid herbaceous vascular plants). During the Last Glacial Maximum (25–15 kyr BP), diversity declined markedly, although forbs remained dominant. Much changed after 10 kyr BP, with the appearance of moist tundra dominated by woody plants and graminoids. Our analyses indicate that both graminoids and forbs would have featured in megafaunal diets. As such our findings question the predominance of a late Quaternary graminoid-dominated arctic “mammoth steppe”.,Sheep diet dataFasta file containing the sequence dataovis_sequence_data.fastaMegafauna diet dataFasta file containing sequence data.megafauna_diet_sequence_data.fastaNematoda sequence dataFasta file containing the raw sequence data.nematoda_sequence_data.fastaNematoda filtered sequence dataFasta file containing the filtered sequence data.nematoda_filtered_sequence_data.fastaMegafauna sequence dataFasta file containing the sequence data.megafauna_sequence_data.fastaMegafauna filtered dataTabulated file containing the filtered data.megafauna_filtered_data.txtSheep diet filtered dataTabulated file containing filtered data of sheep diet.ovis_filtered_data.txtFull permafrost datasetcsv file containing the full permafrost dataset.permafrost.fulldata.csvReference database Arctic (gh)Fasta file of the Arctic reference database (P6 loop of the trnL)references.arctic-gh.fastaReference database Arctic (ITSAst)Fasta file of the Arctic reference database (ITSAst)references.arctic-ITSAst.fastaReference database Arctic (ITSCyp)Fasta file of the Arctic reference database (ITSCyp)references.arctic-ITSCyp.fastaReference database Arctic (ITSPoa)Fasta file of the Arctic reference database (ITSPoa)references.arctic-ITSPoa.fastaReference database Boreal (gh)Fasta file of the Boreal reference database (P6 loop of the trnL)references.boreal-gh.fastaReference database EMBL (gh)Fasta file of the EMBL reference database (P6 loop of the trnL)references.embl-gh.fastaReference database EMBL (ITSAst)Fasta file of the EMBL reference database (ITSAst)references.embl-ITSAst.fastaReference database EMBL (ITSCyp)Fasta file of the EMBL reference database (ITSCyp)references.embl-ITSCyp.fastaReference database EMBL (ITSPoa)Fasta file of the EMBL reference database (ITSPoa)references.embl-ITSPoa.fasta,

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More information

Published date: 1 January 2014

Identifiers

Local EPrints ID: 449441
URI: http://eprints.soton.ac.uk/id/eprint/449441
PURE UUID: 0df27818-2a41-43d9-9f1f-01b48e848447
ORCID for Mary E. Edwards: ORCID iD orcid.org/0000-0002-3490-6682

Catalogue record

Date deposited: 28 May 2021 16:33
Last modified: 03 Jun 2021 01:38

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Contributors

Creator: Eske Willerslev
Creator: John Davison
Contributor: Mari Moora
Contributor: Martin Zobel
Creator: Eric Coissac
Contributor: Mary E. Edwards ORCID iD
Creator: Eline D. Lorenzen
Creator: Mette Vestergård
Creator: Galina Gussarova
Creator: James Haile
Creator: Joseph Craine
Contributor: Gaddy Bergmann
Creator: Ludovic Gielly
Creator: Sanne Boessenkool
Creator: Laura S. Epp
Creator: Peter B. Pearman
Creator: Rachid Cheddadi
Creator: David Murray
Contributor: Karri Anne Bråthen
Creator: Nigel Yoccoz
Contributor: Heather Binney
Creator: Corinne Cruaud
Creator: Patrick Wincker
Creator: Tomasz Goslar
Creator: Inger Greve Alsos
Creator: Eva Bellemain
Contributor: Anne Krag Brysting
Creator: Reidar Elven
Creator: Jørn Henrik Sønstebø
Creator: Julian Murton
Creator: Andrei Sher
Creator: Morten Rasmussen
Creator: Regin Rønn
Creator: Tobias Mourier
Contributor: Alan Cooper
Contributor: Jeremy Austin
Creator: Per Möller
Creator: Duane Froese
Creator: Grant Zazula
Creator: François Pompanon
Creator: Delphine Rioux
Creator: Vincent Niderkorn
Creator: Alexei Tikhonov
Creator: Grigoriy Savvinov
Creator: Richard G. Roberts
Creator: Ross D. E. MacPhee
Creator: M. Thomas P. Gilbert
Creator: Kurt H. Kjær
Creator: Ludovic Orlando
Creator: Christian Brochmann
Creator: Pierre Taberlet

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