Transactions of KarRC RAS :: Scientific publications
Transactions of KarRC RAS :: Scientific publications

Transactions of KarRC RAS :: Scientific publications
Karelian Research Centre of RAS
ISSN (print): 1997-3217
ISSN (online): 2312-4504
Transactions of KarRC RAS :: Scientific publications
Background Editorial committee Editorial Office For authors For reviewer Russian version
Transactions of KarRC RAS :: Scientific publications

Electronic Journal OJS



Series

Biogeography

Experimental Biology

Mathematical Modeling and Information Technologies

Precambrian Geology

Ecological Studies

Limnology and Oceanology

Research in the Humanities (2010-2015)

Region: Economy and Management (2012-2015)



Issues

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

1999-2008




SCIENTIFIC PUBLICATIONS
Н.И. Ставрова, В.В. Горшков, П.Н. Катютин.
Формирование структуры ценопопуляций лесообразующих видов в процессе послепожарного восстановления северотаежных лесов
N.I. Stavrova, V.V. Gorshkov, P.N. Katyutin. Structure Formation of Forest Tree Species Coenopopulations During Post-Fire Recovery of Northern Taiga Forest // Transactions of Karelian Research Centre of Russian Academy of Science. No 3. Biogeography. 2016. Pp. 10-28
Keywords: coenopopulations; age structure; size structure; vitality structure; Picea obovata; Pinus sylvestris; Kola Peninsula
The goal of this study was to compare the coenopopulation structure of two main stand-forming tree species of European northern taiga forest – Picea obovata Ledeb. and Pinus sylvestris L. at different stages of post-fire successions. Investigations were carried out in the Kola Peninsula (67°30ʹ–68°10ʹ N, 33°57ʹ–34°21ʹ E) in Siberian spruce forest of the true moss site type with fire age of 82 and 146, Scots pine forest of the lichen-true moss site type with a similar fire age (83 and 155), and in mixed pine-spruce forest of the true moss site type with fire age of 376. Five 0.1–0.2-ha permanent sample plots were surveyed. In order to register living tree individuals > 0.1 m high, the sample plots were divided into 5 x 5 m squares. Tree individuals < 0.1 m high (aged > 1 yr.) were sampled from 40–100 1x1 m squares. To analyze the age and size distributions we chose three key parameters: range of values, skewness and kurtosis. The vitality of the trees was determined on the basis of relative crown density, using a five-category classification: I – healthy individuals, II – moderately weak individuals, III – very weak individuals, IV – declining individuals, V – dead individuals.

According to our data, Picea obovata and Pinus sylvestris showed similar patterns in the formation of the age, size and vitality structure of the coenopopulations during post-fire succession despite the differences in biological and ecological properties. Hence, there exist common mechanisms of coenopopulation structure transformation, based on the laws of competition among tree individuals within a population and coenotic regulation of regeneration processes. The established structural differences are not significant and mostly manifest themselves during the first half of the succession. The distinctive feature of pine coenopopulations is discontinuity of the age and diameter class distribution over a period from ~100–150 to at least 400–500 yrs. after a fire. At later stages of a post-fire succession (>350 yrs. after the fire) one observes a convergence of the age, size and vitality structure of coenopopulations of the two species. This result can be regarded as evidence of uniformity of the main tree species structural organization in subclimax and climax northern taiga forest.
Indexed at RSCI


  Last modified: March 30, 2016