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This research aims to characterize the development of Siberian fir undergrowth using biological age and vitality assessments.

January 1, 2025Лесоведение / Forest Science

Polyvariance of the Siberian Fir’s Undergrowth Development in Dark Coniferous Forests of the Northern Ural

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Research characterises undergrowth development and predicts height increment in Siberian fir, suggesting management implications for reforestation.

This research aims to characterize the development of Siberian fir undergrowth using biological age and vitality assessments.
Analyzed morphometric indices of model Siberian fir plants up to 3.5 m in height.
Formulated diagnostic features based on ontogenetic stages and vitality levels.
Predicted height increment using the Mitscherlich function and compared it with generative trees.
High-prospects undergrowth should achieve a height increment of at least 15-20 cm/year.
Understory with normal vitality on im2 and v1 stages is classified as high-prospects.
Low vitality undergrowth is considered medium-prospects or questionable.

T. Yu. Braslavskaya (2025) studied this question.

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Research characterises undergrowth development and predicts height increment in Siberian fir, suggesting management implications for reforestation.