BIO Web Conf.
Volume 16, 2019“Results and Prospects of Geobotanical Research in Siberia”, dedicated to the 75th anniversary of the laboratory of ecology and geobotany of CSBG SB RAS
|Number of page(s)||4|
|Published online||15 October 2019|
The Impact of Climate Change on Betula tortuosa Ledeb. Radial Increment on the Eastern Macroslope of Kuznetsk Alatau
V. N. Sukachev Institute of Forest SB RAS,
Akademgorodok, 50/28, Russia
2 Siberian Federal University, 660041, Krasnoyarsk, Svobodny pr., 79, Russia
3 Reshetnev Siberian State University of Science and Technology, 660037, Krasnoyarsk, Krasnoyarsky Rabochy Av., 31, Russia
* Corresponding author: firstname.lastname@example.org
The climatic response of birch in eastern Kuznetzky Alatau Mountains (Siberia) were analysed based on dendrochronology data. Studied climate variables included temperature, precipitation and root zone moisture (RZM). Periods with maximal correlations for each variable were found. It was established that radial increment was limited by June temperature and July RZM. Correlations of radial increment and ecoclimatic factors were higher when a negative anomalies of respective factor occurred. To estimate the advancement rate of birch trees along elevation gradient, three elevational transects were laid in mountain forest-tundra ecotone. Estimated advancement rate is about 0.5 m per year. Although temperature have a stimulating effect on birch’s radial increment and advancement on elevation gradient in Kuznetzky Alatau Mountains, some depressions in radial increment corresponds to years with soil moisture decrease.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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