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  Sedimentary ancient DNA reveals a threat of warming-induced alpine habitat loss to Tibetan Plateau plant diversity

Liu, S., Kruse, S., Scherler, D., Ree, R. H., Zimmermann, H. H., Stoof-Leichsenring, K. R., Epp, L. S., Mischke, S., Herzschuh, U. (2021): Sedimentary ancient DNA reveals a threat of warming-induced alpine habitat loss to Tibetan Plateau plant diversity. - Nature Communications, 12, 2995.
https://doi.org/10.1038/s41467-021-22986-4

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Liu, Sisi1, Autor
Kruse, Stefan1, Autor
Scherler, Dirk2, Autor              
Ree, Richard H.1, Autor
Zimmermann, Heike H.1, Autor
Stoof-Leichsenring, Kathleen R.1, Autor
Epp, Laura S.1, Autor
Mischke, Steffen1, Autor
Herzschuh, Ulrike1, Autor
Affiliations:
1External Organizations, ou_persistent22              
23.3 Earth Surface Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146037              

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 Zusammenfassung: Studies along elevational gradients worldwide usually find the highest plant taxa richness in mid-elevation forest belts. Hence, an increase in upper elevation diversity is expected in the course of warming-related treeline rise. Here, we use a time-series approach to infer past taxa richness from sedimentary ancient DNA from the south-eastern Tibetan Plateau over the last ~18,000 years. We find the highest total plant taxa richness during the cool phase after glacier retreat when the area contained extensive and diverse alpine habitats (14–10 ka); followed by a decline when forests expanded during the warm early- to mid-Holocene (10–3.6 ka). Livestock grazing since 3.6 ka promoted plant taxa richness only weakly. Based on these inferred dependencies, our simulation yields a substantive decrease in plant taxa richness in response to warming-related alpine habitat loss over the next centuries. Accordingly, efforts of Tibetan biodiversity conservation should include conclusions from palaeoecological evidence.

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 Datum: 2021-05-202021
 Publikationsstatus: Final veröffentlicht
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 Identifikatoren: DOI: 10.1038/s41467-021-22986-4
GFZPOF: p4 T5 Future Landscapes
OATYPE: Gold Open Access
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Titel: Nature Communications
Genre der Quelle: Zeitschrift, SCI, Scopus, oa
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Seiten: - Band / Heft: 12 Artikelnummer: 2995 Start- / Endseite: - Identifikator: ISSN: 2041-1723
CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals354
Publisher: Springer Nature