The tree layer structure of forest communities of the Kola Peninsula central part formed when aerotechnogenic emissions reduced

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This research provides an overview of the main component of forest ecosystems in northern Europe, the tree layer formed by the Scotch pine (Pinus sylvestris L .) species. The studied communities are located in the immediate vicinity of the largest plant in Europe, OAO Severonickel (Monchegorsk, Murmansk region). The main pollutants are polymetallic dust containing elements such as Cu, Ni and Co (which are by-products of processing and smelting non-ferrous ores) and sulfur dioxide - SO2 (which is formed during the primary processing of ores, the so-called “roasting”). The first permanent trial plots (PPPs) in this region were established in the early 1970s. Since the second half of the 1990s, the plant has significantly reduced the amount of aerotechnogenic emissions, as evidenced by the data noted by some researchers at that time. The cumulative nature of the accumulation (and release) of polymetallic dust led to the fact that, starting from the time the ore processing plant reduced its capacity, the concentration of metals contained in the soil and plant organs decreased to a certain level. We present the materials obtained in the course of field research in 2015-2018.

About the authors

Alexander S. Evdokimov

Herzen State Pedagogical University of Russia

Author for correspondence.
ORCID iD: 0000-0002-8871-4774
SPIN-code: 8151-6417

Researcher, Department of Botany and Ecology, Faculty of Biology

Russian Federation, 191186, St. Petersburg, Moika emb., 48

Vasily T. Yarmishko

Komarov Botanical Institute of Russian Academy of Sciences

SPIN-code: 4483-9930
Dr. Sc., Professor, Department Head, Department of Botanical Garden 2 Professor Popova St, St. Petersburg, 197022, Russian Federation


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Copyright (c) 2023 Evdokimov A.S., Yarmishko V.T.

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