Holocene palaeoenvironmental reconstruction based on fossil beetle faunas from the Southern Altai region, north-west China. / Zhang, Tianshu; Elias, Scott A.

In: Journal of Quaternary Science, 08.08.2019, p. 1-10.

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Holocene palaeoenvironmental reconstruction based on fossil beetle faunas from the Southern Altai region, north-west China. / Zhang, Tianshu; Elias, Scott A.

In: Journal of Quaternary Science, 08.08.2019, p. 1-10.

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@article{eb551b021c28448896597c841a63d2f1,
title = "Holocene palaeoenvironmental reconstruction based on fossil beetle faunas from the Southern Altai region, north-west China",
abstract = "We present here the results of the first-ever Quaternary entomological research in China. The Halashazi Wetland, located in the southern Altai Mountain region in the northernmost part of Xinjiang Province, yielded Holocene insect fossils (mostly beetles) from two peat profiles. In total, 55 Coleoptera taxa were found, including 37 identified species. A new species, Helophorus sinoglacialis, was identified. The fauna is strongly northern Holarctic in character. The interval from 10 424 to 9705 cal a BP was probably a cold and wet period, and the study site was above the treeline. From 9665 to 9500 cal a BP it was probably warmer and drier, and treeline moved to higher elevations. Following a depositional hiatus, mid-Holocene (5400–4400 cal a BP) insect assemblages represent cold conditions with the site above the treeline. The exception was a brief warming around 5450 cal a BP, when bark beetle evidence suggests that the treeline moved to a higher elevation. Of the 37 identified beetle species from the Halashazi site, 34 (92%) have modern records in Siberia. The Altai Mountains probably served as a dispersal corridor between the Siberian arctic and alpine regions of northern China.",
keywords = "Altai Mountains, Holocene, insect fossils",
author = "Tianshu Zhang and Elias, {Scott A.}",
year = "2019",
month = aug,
day = "8",
doi = "10.1002/jqs.3135",
language = "English",
pages = "1--10",
journal = "Journal of Quaternary Science",
issn = "0267-8179",
publisher = "John Wiley and Sons Ltd",

}

RIS

TY - JOUR

T1 - Holocene palaeoenvironmental reconstruction based on fossil beetle faunas from the Southern Altai region, north-west China

AU - Zhang, Tianshu

AU - Elias, Scott A.

PY - 2019/8/8

Y1 - 2019/8/8

N2 - We present here the results of the first-ever Quaternary entomological research in China. The Halashazi Wetland, located in the southern Altai Mountain region in the northernmost part of Xinjiang Province, yielded Holocene insect fossils (mostly beetles) from two peat profiles. In total, 55 Coleoptera taxa were found, including 37 identified species. A new species, Helophorus sinoglacialis, was identified. The fauna is strongly northern Holarctic in character. The interval from 10 424 to 9705 cal a BP was probably a cold and wet period, and the study site was above the treeline. From 9665 to 9500 cal a BP it was probably warmer and drier, and treeline moved to higher elevations. Following a depositional hiatus, mid-Holocene (5400–4400 cal a BP) insect assemblages represent cold conditions with the site above the treeline. The exception was a brief warming around 5450 cal a BP, when bark beetle evidence suggests that the treeline moved to a higher elevation. Of the 37 identified beetle species from the Halashazi site, 34 (92%) have modern records in Siberia. The Altai Mountains probably served as a dispersal corridor between the Siberian arctic and alpine regions of northern China.

AB - We present here the results of the first-ever Quaternary entomological research in China. The Halashazi Wetland, located in the southern Altai Mountain region in the northernmost part of Xinjiang Province, yielded Holocene insect fossils (mostly beetles) from two peat profiles. In total, 55 Coleoptera taxa were found, including 37 identified species. A new species, Helophorus sinoglacialis, was identified. The fauna is strongly northern Holarctic in character. The interval from 10 424 to 9705 cal a BP was probably a cold and wet period, and the study site was above the treeline. From 9665 to 9500 cal a BP it was probably warmer and drier, and treeline moved to higher elevations. Following a depositional hiatus, mid-Holocene (5400–4400 cal a BP) insect assemblages represent cold conditions with the site above the treeline. The exception was a brief warming around 5450 cal a BP, when bark beetle evidence suggests that the treeline moved to a higher elevation. Of the 37 identified beetle species from the Halashazi site, 34 (92%) have modern records in Siberia. The Altai Mountains probably served as a dispersal corridor between the Siberian arctic and alpine regions of northern China.

KW - Altai Mountains

KW - Holocene

KW - insect fossils

UR - http://www.scopus.com/inward/record.url?scp=85070293379&partnerID=8YFLogxK

U2 - 10.1002/jqs.3135

DO - 10.1002/jqs.3135

M3 - Article

AN - SCOPUS:85070293379

SP - 1

EP - 10

JO - Journal of Quaternary Science

JF - Journal of Quaternary Science

SN - 0267-8179

ER -