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Lesnoy Zhurnal (Forestry Journal)
Article . 2018 . Peer-reviewed
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Productivity of Artificial Pine Stands in Ribbon Forests of the Altai Territory

Производительность искусственных сосняков в ленточных борах Алтайского края
Authors: Osipenko, A. E.; Zalesov, S. V.;

Productivity of Artificial Pine Stands in Ribbon Forests of the Altai Territory

Abstract

Pure and strip pine forest plantations were widely practiced in ribbon forests of the Altai Territory by the species mixture of Scots pine (Pinus sylvestris L.) with silver willow (Salix acutifolia Willd.). In the 1990s this approach was cancelled. We can assess the productivity of those plantations so far it is still possible to determine which artificial pine forests were created with preliminary willow planting The paper presents the studies carried out in the Barnaul ribbon forest in the Rubtsovskiy and Uglovskiy districts of the Altai Territory from 2013 to 2016. Forest growth conditions are described by a sharply continental climate, lengthy cold winters and short hot summers; small (250...350 mm/year) amount of precipitation; sandy soils and the level of groundwater, located at a depth of 4 to 10 m and more. In the course of the research, the authors have used the quadrant sampling method. The sample plots (57 pcs.) are established in artificial pine forests of the forest type of dry coniferous forest of flat hilly surfaces. The investigated stands are from 13 to 81 years of age, of II-V quality class and different species mixture patterns Thinning in these stands has not been carried out. The mensurational description of the most typical studied pine forests and yield charts of artificial pine forests with different tree arrangement on the area are also presented. Data approximation is performed using the Terazaki function, since it demonstrates the highest value of the determination coefficient in comparison with the other S-shaped functions. The most productive artificial pine forests are formed from forest cultures with a uniform arrangement of seedlings in the ribbon forests of the Altai Territory. Pine stands created by the strip forest plantation method in the mixture with silver willow (Salix acutifolia) are more productive than stands formed from forest cultures with a similar arrangement of trees on the area but without willow. В ленточных борах Алтайского края наряду с посадкой чистых сосновых лесных культур широко практиковалось их создание кулисным способом в смешении сосны обыкновенной (Pinus sylvestris L.) с ивой остролистной ( Salix acutifolia Willd.). В 90-е гг. XX в. эта практика была прекращена. Целесообразно оценить производительность таких древостоев пока еще можно определить, какие искусственные сосняки создавались с предварительным шелюгованием. Исследования проведены в Барнаульском ленточном бору на территории Рубцовского и Угловского административных районов Алтайского края с 2013 по 2016 г. Лесорастительные условия района: резко континентальный климат, продолжительная холодная зима и короткое жаркое лето; небольшое (250...350 мм/год) количество осадков; песчаные почвы; уровень грунтовых вод, находящийся на глубине от 4 до 10 м и более. В ходе исследований применялся метод пробных площадей. Пробные площади (в количестве 57 шт.) закладывались в искусственных сосняках типа леса сухой бор пологих всхолмлений. Исследуемые древостои имели возраст от 13 до 81 года, класс бонитета II-V и разные схемы смешения пород. Рубки ухода в рассматриваемых насаждениях не проводились. Приведены таксационная характеристика наиболее типичных исследованных сосняков и графики хода роста по запасу искусственных сосняков, имеющих различное размещение деревьев на площади. Аппроксимация данных была выполнена при помощи функции Теразаки, так как она показала наибольшее значение коэффициента детерминации по сравнению с другими S -образными функциями. В ходе исследований установлено, что в ленточных борах Алтайского края из лесных культур с равномерным размещением сеянцев на площади формируются наиболее производительные искусственные сосняки. Если сравнить производительность древостоев, сформировавшихся из лесных культур сосны, созданных кулисным способом в смешении с ивой остролистной, и производительность древостоев, образованных из лесных культур с аналогичным размещением деревьев на площади, но без ивы, то можно сделать вывод, что первые формируются в более производительные древостои.

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Keywords

СОСНА ОБЫКНОВЕННАЯ, PRODUCTIVITY, RIBBON FOREST, ИСКУССТВЕННЫЕ СОСНЯКИ, ИВА ОСТРОЛИСТНАЯ, ДРЕВОСТОЙ, FOREST STAND, ЧИСТЫЕ ЛЕСНЫЕ КУЛЬТУРЫ, GROWING STOCK, ЗАПАС ДРЕВОСТОЯ, ХОД РОСТА ПО ЗАПАСУ, YIELD, ЛЕНТОЧНЫЕ БОРЫ, ARTIFICIAL PINE STAND, SILVER WILLOW (SALIX ACUTIFOLIA), КУЛИСНЫЕ ЛЕСНЫЕ КУЛЬТУРЫ, STRIP FOREST PLANTATION, ПРОИЗВОДИТЕЛЬНОСТЬ, SCOTS PINE, PURE FOREST PLANTATION

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Top 10%
Average
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