Nurzhan Kelgenbayev

Global warming leads to growth increase in Pinus sylvestris in the Kazakh steppe

Xiaoen Zhao, Feng Chen, Andrea Seim, Mao Hu et autres

cn, de, at, bg, tr, kz (code pays fourni par la source)

Status and prospects of tree-ring research in Central Asia

Tongwen Zhang, Kexiang Liu, Yuting Fan, Shulong Yu et autres

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Reconstructed summertime (June–July) streamflow dating back to 1788 CE in the Kazakh Uplands as inferred from tree rings

Xiaoen Zhao, Ruibo Zhang, Feng Chen, Багила Майсупова et autres

Ishim-Tobol River Basin, Northern Kazakhstan In this study, an ensemble reconstruction of the June–July streamflow from the Ishim-Tobor River was carried out using random forest (RF), K-nearest neighbor (KNN) and multiple linear regression (MLR) models. The reliability of the ensemble reconstruction was …

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Current state and future development potential of the oak forests in the floodplain of the Ural River (West Kazakhstan)

V.Yu. Kirillov, Vasiliy Petrovich Aleka, Anna Ivashchenko, Alimzhan Rakhimzhanov et autres

The article provides information on the current state of the oak forests of the Ural River floodplain (West Kazakhstan) based on the analysis of forest inventory materials (as of 01.01.1992 and 01.01.2016) and field surveys. The study of the dynamics of the …

Analysis of Tree-Ring Chronologies in Coniferous Forests of Southeastern Kazakhstan

Ainur Utebekova, Bagila Maisupova, Bulkair Mambetov, Daniyar Dosmanbetov et autres

The aim of the present research was to study the spatial and temporal patterns in the growth response of spruce to climate change at different altitudes (upper, middle and lower) of mountainous terrain in Southern Kazakhstan. The analysis of the climatic response …

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Picea schrenkiana tree-ring chronologies development and vegetation index reconstruction for the Alatau Mountains, Central Asia

Tongwen Zhang, Ruibo Zhang, Bo Lü, Bulkajyr T. Mambetov et autres

In this study, a total of 176 tree cores from Schrenk spruce (Picea schrenkiana) were used to establish a tree-ring chronology and a 167-year July–October normalized differential vegetation index (NDVI) for the Alatau Mountains in Central Asia was reconstructed using this newly …

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A 189-year tree-ring record of drought for the Dzungarian Alatau, arid Central Asia

Ruibo Zhang, Tongwen Zhang, Nurzhan Kelgenbayev, Qing He et autres

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Drought variations in Almaty (Kazakhstan) since AD 1785 based on spruce tree rings

Feng Chen, Bulkair Mambetov, Багила Майсупова, Nurzhan Kelgenbayev

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