Abstract
The purpose of this study was to investigate the history of growth of the introduced species Pinus sibirica Du Tour and Larix sibirica Ledeb. in the Murmansk region and their state in natural areas of preferential protection. The first finds of Siberian cedar in the Arctic region were recorded in 1911, and Siberian larch in 1925. In the 1930s and 1950s–1960s, these kinds of trees were extensively cultivated in the region. Many cedar and larch growth areas are protected as natural monuments of regional significance. Currently, there are eight natural monuments with Siberian cedar growing on the territory of the Murmansk region and seven natural monuments with Siberian larch. The condition of the trees in the territories under preferential protection and the Lapland State Natural Biosphere Reserve was studied in detail. The invasive species occupy a territory of about 70 ha. It was a complete or random enumeration of the trees and undergrowth with measurements of height and diameter. Siberian cedar ranged in height from 0.02 to 18.00 m, whereas Siberian larch was between 0.01 and 18.00 m. Cedar diameters varied from 0.3 to 31.7 cm, whereas larch diameters ranged from 0.4 to 38.3 cm. It is shown that coniferous introduced species are well acclimatized to the natural conditions of the Arctic, which increases the biodiversity of ecosystems and aesthetic perception. Pinus sibirica Du Tour and Larix sibirica Ledeb. fructify in the conditions of the Kola Arctic region that is a sign of a natural regeneration. It is recommended to monitor the conditions of the plantations on a regular basis in order to provide appropriate care. With the inclusion of plots with the growth of the studied species in natural areas of preferential protection, it is necessary to study their condition, location, accessibility, and targeted application. Evaluation of the effectiveness of existing forest management system will allow a more rational approach to the conservation of valuable cedar and larch tree species in the Arctic region. For citation: Isaeva L.G., Ershov V.V., Urbanavichus G.P., Borovichev E.A. Introduced Species of Cedar and Larch in the Climate Conditions of the Kola Arctic Region. Lesnoy Zhurnal = Russian Forestry Journal, 2023, no. 4, pp. . 41–57. (In Russ.). https://doi.org/10.37482/0536-1036-2023-4-41-57
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