Regeneration Method of Cedar Forests in the Far East

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UDС

630*232.311.3

DOI:

10.17238/issn0536-1036.2018.3.77

Abstract

Large volumes of logging in the 50‒80-ies of the last century in the Far East led to depletion of forest resources, especially of unique and valuable cedar forests. The restoration of cedar in the indigenous area of its habitat is one of the most important and urgent tasks facing the forestry and our society. The paper presents an effective method of active regeneration of cedar forests by reconstructive-seed plantings in shallow-contour plots (biogroups). This method has the following advantages: the maximum use of nature forces in the forest eco-systems self-regeneration; ensuring reliable restoration of cedar forests on large areas with minimal resource costs; insignificant violation of the natural forest environment due to a lower probability of mortality of biogroups because of forest fires and harmful insects in comparison with widely used plantation forest crops. The productive evaluation of the pro-posed method of cedar forest restoration was carried out in the forest districts of the Khabarovsk Territory. Large-sized seedlings (4‒5-year-old) of Korean pine developed quite successfully. Preservation of plantings in biogroups at the registration time was over 80 %, the average annual height growth was more than 25 cm. The plantings did not require silvicul-tural attention; and by the age of fruiting (in 30 years), the biogroups should ensure the seeding of the adjacent territories.

Authors

A.P. Kovalev, Doctor of Agricultural Sciences
M.A. Sheshukov, Doctor of Agricultural Sciences, Senior Research Officer
V.V. Pozdnyakova, Senior Research Officer

Affiliation

Far East Forestry Research Institute, ul. Volochaevskaya, 71, Khabarovsk, 680020, Russian Federation; е-mail: dvniilh@gmail.com

Keywords

cedar forest, biogroup, industrial harvesting, natural reforestation, cedar plant, forest fire, minimum costs

For citation

Kovalev A.P., Sheshukov M.A., Pozdnyakova V.V. Regeneration Method of Cedar Forests in the Far East. Lesnoy zhurnal [Forestry journal], 2018, no. 3, pp. 77–83. DOI: 10.17238/issn0536-1036.2018.3.77

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Received on January 23, 2018