Large apparent growth increases in boreal forests inferred from tree-rings are an artefact of sampling biases.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
02 05 2019
02 05 2019
Historique:
received:
03
09
2018
accepted:
18
04
2019
entrez:
4
5
2019
pubmed:
3
5
2019
medline:
21
10
2020
Statut:
epublish
Résumé
Tree rings are thought to be a powerful tool to reconstruct historical growth changes and have been widely used to assess tree responses to global warming. Demographic inferences suggest, however, that typical sampling procedures induce spurious trends in growth reconstructions. Here we use the world's largest single tree-ring dataset (283,536 trees from 136,621 sites) from Quebec, Canada, to assess to what extent growth reconstructions based on these - and thus any similar - data might be affected by this problem. Indeed, straightforward growth rate reconstructions based on these data suggest a six-fold increase in radial growth of black spruce (Picea mariana) from ~0.5 mm yr
Identifiants
pubmed: 31048703
doi: 10.1038/s41598-019-43243-1
pii: 10.1038/s41598-019-43243-1
pmc: PMC6497877
doi:
Substances chimiques
Carbon Dioxide
142M471B3J
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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