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@article{1323020,
author = {Hais, Martin and Komprdová, Klára and Ermakov, Nikolai and Chytrý, Milan},
article_location = {AMSTERDAM (NETHERLANDS)},
article_number = {NOVEMBER},
doi = {http://dx.doi.org/10.1016/j.palaeo.2015.07.037},
keywords = {Climate change; Habitat distribution models; Palaeoenvironments; Pleistocene; Random Forest; Vegetation-climate relationships},
language = {eng},
issn = {0031-0182},
journal = {Palaeogeography, Palaeoclimatology, Palaeoecology},
title = {Modelling the Last Glacial Maximum environments for a refugium of Pleistocene biota in the Russian Altai Mountains, SiberiaPalaeogeography, Palaeoclimatology, Palaeoecology},
url = {http://www.sciencedirect.com/science/article/pii/S0031018215004137},
volume = {438},
year = {2015}
}
TY - JOUR
ID - 1323020
AU - Hais, Martin - Komprdová, Klára - Ermakov, Nikolai - Chytrý, Milan
PY - 2015
TI - Modelling the Last Glacial Maximum environments for a refugium of Pleistocene biota in the Russian Altai Mountains, SiberiaPalaeogeography, Palaeoclimatology, Palaeoecology
JF - Palaeogeography, Palaeoclimatology, Palaeoecology
VL - 438
IS - NOVEMBER
SP - 135-145
EP - 135-145
PB - Elsevier
SN - 00310182
KW - Climate change
KW - Habitat distribution models
KW - Palaeoenvironments
KW - Pleistocene
KW - Random Forest
KW - Vegetation-climate relationships
UR - http://www.sciencedirect.com/science/article/pii/S0031018215004137
L2 - http://www.sciencedirect.com/science/article/pii/S0031018215004137
N2 - Recent botanical and zoological studies have suggested that the AltaiMountains in southern Siberia are an important refugiumof the last glacial biota that used to bewidespread across northern Eurasia before the Pleistocene– Holocene transition. To obtain insights into the history of this relict biota,we modelled the spatial distribution of habitats during the Last GlacialMaximum (LGM) in the Russian Altai. We prepared a map of the current vegetation of this area based on the ground-truthed remote sensing data, and modelled the distribution of the current vegetation types using the Random Forest technique with climatic predictors. The models were projected onto the CCSM3 model of the LGMclimate for the Russian Altai and interpreted for 72% of its area because the remaining part is supposed to have been glaciated during the LGM. The models projected LGMpredominance of desertsteppe acrossmost of the non-glaciated area of the Russian Altai, probably associatedwith areas of typical steppe, tundra grasslands and some other habitat types, including forest patches in streamvalleys. It is likely that during the LGM, these habitats supported the cold-adapted open-landscape biota. In the Holocene, most of the previous grassland area changed into forest or forest-steppe and the Pleistocene biota retreated, with the exception of the Chuya Basin and the Ukok Plateau in the southeast, where the habitat change was very small and desert-steppe and associated vegetation types remained preserved. This refugial area is currently rich in the relict Pleistocene species. A different history was suggested for the precipitation-rich area in the northernmost Altai (north of Lake Teletskoye), where the LGM models suggested occurrence of patches of open forest of Larix sibirica and Pinus sibirica in forest-tundra and forest-steppe landscapes. These forests may have provided the LGM refugium for the temperate forest species that currently occur in this precipitation-rich area.
ER -
HAIS, Martin, Klára KOMPRDOVÁ, Nikolai ERMAKOV and Milan CHYTRÝ. Modelling the Last Glacial Maximum environments for a refugium of Pleistocene biota in the Russian Altai Mountains, SiberiaPalaeogeography, Palaeoclimatology, Palaeoecology. \textit{Palaeogeography, Palaeoclimatology, Palaeoecology}. AMSTERDAM (NETHERLANDS): Elsevier, 2015, vol.~438, NOVEMBER, p.~135-145. ISSN~0031-0182. Available from: https://dx.doi.org/10.1016/j.palaeo.2015.07.037.
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