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Dynamics of annual growth of Pinus sylvestris on industrial wastes of mining companies

Journal of Forestry Research 2021年第4期32卷 1385-1393页

作者： Svetlana Bakhtina Yulai Yanbaev Aleksey Kulagin nina redkina Ilgam Masalimov Shamil Fayzrakhmanov Scientific and Educational Center Federal State Budgetary Educational Institution of Higher EducationBashkir State Agrarian University50-Letia Octyabrya Str.34UfaRussia 450001 Department of Forestry and Landscape Design Federal State Budgetary Educational Establishment of Higher EducationBashkir State Agrarian University50-Letia Octyabrya Str.34UfaRussia 450001 Laboratory of Forestry Ufa Institute of BiologyUfa Research Center of Russian Academy of SciencesProspect Octyabrya69UfaRussia 450054 Department of Ecology and Life Safety Federal State Budgetary Educational Institution of Higher EducationBashkir State UniversityZaki Validi Str.32UfaRussia 450076 Department of Mechanics and Engineering Graphics Federal State Budgetary Educational Establishment of Higher EducationBashkir State Agrarian University50-Letia Octyabrya Str.34UfaRussia 450001 Department of Mechanics and Machine Design Federal State Budgetary Educational Establishment of Higher EducationBashkir State Agrarian University50-Letia Octyabrya Str.34UfaRussia 450001

The development of the mining industry has led to the appearance in many parts of the world of vast technogenic territories from which toxic heavy metals enter the environment and food ***,chemical,and biological methods of cleaning industrial land due to technological complexity and hi gh cost are relatively little used on a large *** forest overgrowth of mining sites and the removal of heavy metals by woody plants can be an effective form of ***,the study of this process is of significant scientific and practical *** analysis of the annual growth in height and width of the annual rings of the stem of Scots pine(Pinus sylvestris L.) in 2004-2019 was made on the territory of the Uchalinsky mining and processing plant(South Ural,Russia) contaminated with heavy *** hi gh concentrations of copper and zinc were found in soils,roots,bark,young shoots,comparable to exceeding the maximum allowable *** the spatial uniformity of the heavy metal content in the stands,the tree samples significantly differed in terms of annual *** suggest that the lack of nutrients and not stress from exposure to heavy metals is the main reason for relatively low growth rates on slopes of industrial *** was confirmed by studying the annual growth in height of the undergrowth in habitats with different soil cover *** data prove the relatively high potential of Scots pine for the natural recovery of industrial lands polluted with heavy metals by mining enterprises.

关键词： Annual growth Pinus sylvestris Heavy metals Phytoremediation

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