Andreevich Usoltsev, V., Reza Shobairi, S.O. and Petrovich Chasovskikh, V. 2018. Geographic gradients of forest biomass of two nee-dled pines on the territory of Eurasia. Ecological Questions. 29, 2 (May 2018), 9–17. DOI:https://doi.org/10.12775/EQ.2018.012.