Benkova V. E., Akhmetov R. S., Shashkin A. V., Dukenov J. S., Ovchinnikov D. V., Benkova A. V., Dosmanbetov D. A., Uashev M. A., Shashkin E. A., Kladko Yu. V., Mashukov D. A. Features of Radial Growth of Turanga in the Floodplains of the Ili and Syrdarya
1 V. N. Sukachev Inst. For., Rus. Acad. Sci., Sib. Br.
Fed. Res. Center Krasnoyarsk Sci. Center, Rus. Acad. Sci., Sib. Br.
Akademgorodok, 50/28, Krasnoyarsk, 660036 Russian Federation
2 A. M. Bukeykhan Kazakh Research Institute of Forestry and Agroforestry, Almaty Branch
Zharsuat Str., 17A, Almaty, 050050 Republic of Kazakhstan
E-mail: benkova@yandex.ru, ars_28@mail.ru, shashkin@ksc.krasn.ru, 7078786694@mail.ru,
dovch@mail.ru, annie1977@yandex.ru, daniyar_d.a.a@mail.ru, Uashev.Munarbek@mail.ru,
Abstract
UDC 630*561.24(574)
How to cite: Benkova V. E.1, Akhmetov R. S.2, Shashkin A. V.1, Dukenov J. S.2, Ovchinnikov D. V.1, Benkova A. V.1, Dosmanbetov D. A.2, Uashev M. A.2, Shashkin E. A.2, Kladko Yu. V.1, Mashukov D. A.1 Features of radial growth of turanga in the floodplains of the Ili and Syrdarya rivers (Kazakhstan) // Sibirskij Lesnoj Zurnal (Sib. J. For. Sci.). 2025. N. 2. P. … (in Russian with English abstract and references).
DOI: 10.15372/SJFS20250205
EDN: …
© Benkova V. E., Akhmetov R. S., Shashkin A. V., Dukenov J. S., Ovchinnikov D. V., Benkova A. V.,
Dosmanbetov D. A., Uashev M. A., Shashkin E. A., Kladko Yu. V., Mashukov D. A., 2025
The results of a study of the impact of current climate change on the dynamics of turanga (Euphrates poplar, Pópulus diversifolia Schrenk) radial growth of trees in tugai forests (a form of riparian forest of semi-arid area) of Kazakhstan are presented. The studies were carried out in the study sites (SS) within the floodplains of the Ili river (44°8' N, 76°27' E, 396 m a. s. l.) and the Syrdarya river (42°19' N, 69°27' E, 396 m a. s. l.). It has been revealed that since the beginning of intensive warming and aridization of the climate since the late 1990s, the radial increment of Turanga growing in the SS “Ili” has decreased 4-fold from 6.01 ± 1.28 mm to 1.48 ± 0.46 mm, while in the SS “Syrdarya” – 2.5-fold, from 2.02 ± 0.54 mm to 0.79 ± 0.38 mm. Climate correlation response functions revealed that climate change since the late 1990s modified reaction of the trees to climate factors in the SS “Ili”. This was expressed in the appearance of their negative reaction to increased April-July air temperatures and a positive reaction to increased June precipitation. Current climate change has not affected the climatic response of trees in the SS “Syrdarya”. It was concluded that the lack of modification of the climatic signal and the low intensity of radial growth of Turanga in the Syrdarya River floodplain were due to a more acute available water deficit than in the Ili River, which is determined not only by a very low amount of precipitation, but also, by the deterioration of the hydrological properties of soils. Thus, it is shown by dendrochronological study of Turanga that in some cases the response of woody species to climate warming could be offset by other, factors, for example, deficit of available soil moisture and anthropogenic impact. It is assumed that the radial increment values of Turanga trees can be used in the studies of the influence of various hydrological regimes of rivers on tugai forests productivity.
Article
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