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Siberian Journal of Forest Science

2014 year, number 3

Types of Structure and Sustainability of Forest Shelter Belts in the Southern Part of Central Siberia

G. S. Varaksin1, A. A. Vais2
1V. N. Sukachev Institute of Forest, Russian Academy of Sciences, Siberian Branch, Academgorodok, 50/28, Krasnoyarsk, 660036 Russian Federation
2Siberian State Technological University, Prospect Mira, 82, Krasnoyarsk, 660049 Russian Federation
Keywords: forest belts, the structure by stem diameter, tree species, evaluation, sustainability, the Southern part of Central Siberia


The series of tree stem diameter distributions has been basis for study tree stand structure in forest shelter belts. The measurements were carried out in forest shelter belts of the southern part of the Central Siberia. Experimental sample plots have been established in the Republic of Khakassia (Ust-Abakan, Beisk, and Shira districts), Krasnoyarsk Territory (Shushenskoe and Minusinsk districts), and the Republic of Tuva (Kyzyl district). The analysis of tree stem diameter distributions series allowed making reference table in determining the shape of distributions in the forest shelter belts. The evaluation involves allocation of six types of the tree stem diameter series: symmetric, left asymmetric, right asymmetric, peak, flat, and pectinate. Comparing agrotechnical features of creating tree stands and distributions series of the tree stem diameters, the optimal parameters in terms of sustainability for different tree species has been determined.