Climatically Determined Spatial and Temporal Changes in the Biomass of Betula spp. of Eurasia in the Context of the Law of the Limiting Factor
Author:
Usoltsev Vladimir Andreevich12, Lin Hui3456, Shobairi Seyed Omid Reza3, Tsepordey Ivan Stepanovich2, Ye Zilin3456
Affiliation:
1. 2 Ural State Forest Engineering University , Faculty of Forestry , Sibirskiy Trakt, 37 , Yekaterinburg , Russia 2. 3 Botanical Garden of Ural Branch of RAS , Department of Forest Productivity , ul. 8 Marta, 202a , Yekaterinburg , Russia ; e-mail: common@botgard.uran.ru 3. 1 Research Center of Forestry Remote Sensing & Information Engineering , Central South University of Forestry and Technology , Changsha , China 4. 4 Key Laboratory of Forestry Remote Sensing Based Big Data & Ecological Security for Hunan Province , Changsha , China 5. 5 Key Laboratory of State Forestry Administration on Forest Resources Management and Monitoring in Southern Area , Changsha , China 6. 6 Changsha Changchang Forestry Technology Consulting Co., Ltd. , Changsha , China ; e-mail: loyzer@163.com
Abstract
Abstract
Forest ecosystems play an essential role in climate stabilization, and the study of their capabilities in this aspect is of paramount importance. How climate changes affect the biomass of trees and stands in transcontinental gradients is unknown today? The objective of this study was (a) to verify the operation of the law of the limiting factor at the transcontinental level when modeling changes in the biomass of trees and stands of the genus Betula spp. of Eurasia in relation to geographically determined indicators of temperatures and precipitation, and (b) to show the possibility of using the constructed climate-conditioned models of tree and stand biomass in predicting temporal changes in tree and stand biomass based on the principle of space-for-time substitution. As a result of the implementation of the principles of the limiting factor and space-for-time substitution, a common pattern has been established on tree and stand levels: in sufficiently moisture-rich climatic zones, an increase in temperature by 1 °C with a constant amount of precipitation causes an increase in aboveground biomass, and in moisture-deficient zones, it decreases; in warm climatic zones, a decrease in precipitation by 100 mm at a constant average January temperature causes a decrease in aboveground biomass, and in cold climatic zones, it increases.
Publisher
Walter de Gruyter GmbH
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