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The Results of Thinning on Drain Lands of the Vologda Region

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E.A. Marinichev

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UDС

630*242:630*116

DOI:

10.17238/issn0536-1036.2018.4.70

Annotation

Swamp forests and marsh lands of the forest hydromelioration fund of the Vologda region occupy an area of 1,014,400 hectares; 742,100 ha are concentrated on forest-covered lands. The use of a complex of forest management measures ‒ drainage, improvement cutting, felling of mature and over-mature stands ‒ can increase the productivity of excessively moistened forests. The experience of integrated forest management is necessary for the scientific substantiation of the use of certain methods of cutting on drained peat soils. The issues of the formation of optimal species and age composition of stands on drained lands by means of a certain felling system in the region deserve attention. The goal of research is to identify optimal conditions for thinning in middle-aged pine forests on drained lands that ensure the cultivation of sustainable productive forest plantations. The experimental material is collected at stationary facilities of the Vologda region; the research results in pine forests on the soils of mesotrophic and oligomesotrophic types of waterlogging are summarized; conclusions and practical recommendations are presented. Morphometric parameters of stands are determined on trial plots. The processing of dynamic replications of inventory on trial plots with numbering is carried out by dividing the forest into fixed steps and revealing the growth dynamics for them. More highly productive plantations can be grown in conditions of increased moisture in the Vologda region. Scientifically grounded thinning should be marked among the measures for forest management intensification. A controlled process of thinning will allow stabilizing the structure of the forest fund and increasing the productivity of plantations. The thinning process is of great importance in the plantations that have been drained, due to the intensification of attrition and differentiation of trees. The improvement of plantation stand indicators on drained peat soils is possible only with the use of high-intensity thinning.

Authors

E.A. Marinichev, Candidate of Agricultural Sciences, Associate Professor

Authors job

Nizhny Novgorod State Agricultural Academy, pr. Gagarina, 97, Nizhny Novgorod, 603107, Russian Federation; e-mail: dobr2000@rambler.ru

Keywords

drainage, waterlogging, thinning, silvicultural efficiency, improvement cutting

For citation

Marinichev E.A. The Results of Thinning on Drain Lands of the Vologda Region. Lesnoy zhurnal [Forestry journal], 2018, no. 4, pp. 70–78. DOI: 10.17238/issn0536-1036.2018.4.70

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Received on March 06, 2018


The Results of Thinning on Drain Lands of the Vologda Region

 

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