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Article

Patterns for Populus spp. Stand Biomass in Gradients of Winter Temperature and Precipitation of Eurasia

1
School of Remote Sensing and Geomatics Engineering, Nanjing University of Information Science and Technology, Nanjing 210000, China
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Ural State Forest Engineering University, Faculty of Forestry, Sibirskiy Trakt, 37, 620100 Yekaterinburg, Russia
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Botanical Garden of Ural Branch of RAS, Department of Forest Productivity, ul. 8 Marta, 202a, 620144 Yekaterinburg, Russia
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LREIS, Institute of Geographic Sciences & Nature Resources Research Chinese Academy Sciences (CAS) 11A Datun Rd, Beijing 100101, China
5
Beijing Key Laboratory of Precision Forestry, Forestry College, Beijing Forestry University, Beijing 100083, China
*
Author to whom correspondence should be addressed.
Forests 2020, 11(9), 906; https://doi.org/10.3390/f11090906
Received: 7 July 2020 / Revised: 9 August 2020 / Accepted: 13 August 2020 / Published: 19 August 2020
Based on a generated database of 413 sample plots, with definitions of stand biomass of the genus Populus spp. in Eurasia, from France to Japan and southern China, statistically significant changes in the structure of forest stand biomass were found, with shifts in winter temperatures and average annual precipitation. When analyzing the reaction of the structure of the biomass of the genus Populus to temperature and precipitation in their transcontinental gradients, a clearly expressed positive relationship of all components of the biomass with the temperature in January is visible. Their relationship with precipitation is less clear; in warm climate zones, when precipitation increases, the biomass of all wood components decreases intensively, and in cold climate zones, this decrease is less pronounced. The foliage biomass does not increase when precipitation decreases, as is typical for wood components, but decreases. This can be explained by the specifics of the functioning of the assimilation apparatus, namely its transpiration activity when warming, and the corresponding increase in transpiration, which requires an increase in the influx of assimilates into the foliage, and the desiccation of the climate that reduces this influx of assimilates. Comparison of the obtained patterns with previously published results for other species from Eurasia showed partial or complete discrepancies, the causes of which require special physiological studies. The results obtained can be useful in the management of biosphere functions of forests, which is important in the implementation of climate stabilization measures, as well as in the validation of the results of simulation experiments to assess the carbon-deposition capacity of forests. View Full-Text
Keywords: genus Populus spp.; regression models; stand biomass; biomass structure; climate change; average January temperature; average annual precipitation genus Populus spp.; regression models; stand biomass; biomass structure; climate change; average January temperature; average annual precipitation
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MDPI and ACS Style

Usoltsev, V.A.; Chen, B.; Shobairi, S.O.R.; Tsepordey, I.S.; Chasovskikh, V.P.; Anees, S.A. Patterns for Populus spp. Stand Biomass in Gradients of Winter Temperature and Precipitation of Eurasia. Forests 2020, 11, 906. https://doi.org/10.3390/f11090906

AMA Style

Usoltsev VA, Chen B, Shobairi SOR, Tsepordey IS, Chasovskikh VP, Anees SA. Patterns for Populus spp. Stand Biomass in Gradients of Winter Temperature and Precipitation of Eurasia. Forests. 2020; 11(9):906. https://doi.org/10.3390/f11090906

Chicago/Turabian Style

Usoltsev, Vladimir A., Baozhang Chen, Seyed O.R. Shobairi, Ivan S. Tsepordey, Viktor P. Chasovskikh, and Shoaib A. Anees 2020. "Patterns for Populus spp. Stand Biomass in Gradients of Winter Temperature and Precipitation of Eurasia" Forests 11, no. 9: 906. https://doi.org/10.3390/f11090906

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