Tree diversity patterns along the latitudinal gradient in the northwestern Russia

Abstract Background One of the key forest characteristics is the biodiversity, particularly the diversity of trees which are forest ecosystem engineers. Nowadays the most worldwide common approach for assessment of forest conditions and dynamics is based on the systematic monitoring, performed at a...

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Main Authors: Elena Tikhonova, Gleb Tikhonov, Nikolay Shevchenko, Svetlana Knyazeva, Alexandra Plotnikova, Natalia Lukina, Maxim Shashkov
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2017-12-01
Series:Forest Ecosystems
Subjects:
Online Access:http://link.springer.com/article/10.1186/s40663-017-0114-y
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author Elena Tikhonova
Gleb Tikhonov
Nikolay Shevchenko
Svetlana Knyazeva
Alexandra Plotnikova
Natalia Lukina
Maxim Shashkov
author_facet Elena Tikhonova
Gleb Tikhonov
Nikolay Shevchenko
Svetlana Knyazeva
Alexandra Plotnikova
Natalia Lukina
Maxim Shashkov
author_sort Elena Tikhonova
collection DOAJ
description Abstract Background One of the key forest characteristics is the biodiversity, particularly the diversity of trees which are forest ecosystem engineers. Nowadays the most worldwide common approach for assessment of forest conditions and dynamics is based on the systematic monitoring, performed at a set of regularly structured plots. To fulfill the existing gap in this sort of knowledge on the Russian forests, an extensive study of tree species diversity on a regular network was conducted in north-west of Russia. Methods The study used the ICP Forests monitoring network that spans over 1700 km along the western Russian border from forest-tundra in the north to broadleaved-coniferous forests in the south. Tree data were collected at 710 sites that were assigned along a regular grid. We performed series of statistical analyses of the tree species distribution and diversity in relation to environmental and anthropogenic factors. Results According to the Maxent species distribution modelling results only Pinus sylvestris, Betula sp. and Picea abies have the potential to grow throughout the study area. The locally maximum tree species diversity varies along the latitudinal gradient from 1 to 3 species in the north to 5–7 species in the south. Monocultural stands are relatively abundant across the study area, being especially common in the south taiga. The prevailing part of the monocultural stands is represented by Scots pine (72%). The age distribution of dominant trees has a clear connection with the intensity of forest use. We found that recent wildfire events had only little effect on tree diversity in the study area. Conclusions We demonstrated that ICP Forests monitoring network enables to successfully establish the main qualitative and quantitative relations of the spatial variation of tree species diversity to climatic, landscape, soil and anthropogenic factors. Analysis of the influence of these factors on tree species distribution allowed us to conclude that with the continuing trend of reducing the frequency and intensity of fires, Norway spruce will further replace Scots pine and Betula sp. in the north-western Russia. Extending the monitoring network, especially adding the time-series context, could provide novel appealing opportunities for forest dynamics projection and sustainable management.
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spelling doaj.art-0bb247dc2fa44500b98cdef580f807652023-01-03T04:54:16ZengKeAi Communications Co., Ltd.Forest Ecosystems2197-56202017-12-014111110.1186/s40663-017-0114-yTree diversity patterns along the latitudinal gradient in the northwestern RussiaElena Tikhonova0Gleb Tikhonov1Nikolay Shevchenko2Svetlana Knyazeva3Alexandra Plotnikova4Natalia Lukina5Maxim Shashkov6Center of Forest Ecology and Productivity RASDepartment of Biosciences Metapopulation Research Centre, University of HelsinkiCenter of Forest Ecology and Productivity RASCenter of Forest Ecology and Productivity RASCenter of Forest Ecology and Productivity RASCenter of Forest Ecology and Productivity RASInstitute of Physicochemical and Biological Problems in Soil Science RASAbstract Background One of the key forest characteristics is the biodiversity, particularly the diversity of trees which are forest ecosystem engineers. Nowadays the most worldwide common approach for assessment of forest conditions and dynamics is based on the systematic monitoring, performed at a set of regularly structured plots. To fulfill the existing gap in this sort of knowledge on the Russian forests, an extensive study of tree species diversity on a regular network was conducted in north-west of Russia. Methods The study used the ICP Forests monitoring network that spans over 1700 km along the western Russian border from forest-tundra in the north to broadleaved-coniferous forests in the south. Tree data were collected at 710 sites that were assigned along a regular grid. We performed series of statistical analyses of the tree species distribution and diversity in relation to environmental and anthropogenic factors. Results According to the Maxent species distribution modelling results only Pinus sylvestris, Betula sp. and Picea abies have the potential to grow throughout the study area. The locally maximum tree species diversity varies along the latitudinal gradient from 1 to 3 species in the north to 5–7 species in the south. Monocultural stands are relatively abundant across the study area, being especially common in the south taiga. The prevailing part of the monocultural stands is represented by Scots pine (72%). The age distribution of dominant trees has a clear connection with the intensity of forest use. We found that recent wildfire events had only little effect on tree diversity in the study area. Conclusions We demonstrated that ICP Forests monitoring network enables to successfully establish the main qualitative and quantitative relations of the spatial variation of tree species diversity to climatic, landscape, soil and anthropogenic factors. Analysis of the influence of these factors on tree species distribution allowed us to conclude that with the continuing trend of reducing the frequency and intensity of fires, Norway spruce will further replace Scots pine and Betula sp. in the north-western Russia. Extending the monitoring network, especially adding the time-series context, could provide novel appealing opportunities for forest dynamics projection and sustainable management.http://link.springer.com/article/10.1186/s40663-017-0114-yForest monitoringICP ForestsTree diversitySpecies distribution modellingNW Russia
spellingShingle Elena Tikhonova
Gleb Tikhonov
Nikolay Shevchenko
Svetlana Knyazeva
Alexandra Plotnikova
Natalia Lukina
Maxim Shashkov
Tree diversity patterns along the latitudinal gradient in the northwestern Russia
Forest Ecosystems
Forest monitoring
ICP Forests
Tree diversity
Species distribution modelling
NW Russia
title Tree diversity patterns along the latitudinal gradient in the northwestern Russia
title_full Tree diversity patterns along the latitudinal gradient in the northwestern Russia
title_fullStr Tree diversity patterns along the latitudinal gradient in the northwestern Russia
title_full_unstemmed Tree diversity patterns along the latitudinal gradient in the northwestern Russia
title_short Tree diversity patterns along the latitudinal gradient in the northwestern Russia
title_sort tree diversity patterns along the latitudinal gradient in the northwestern russia
topic Forest monitoring
ICP Forests
Tree diversity
Species distribution modelling
NW Russia
url http://link.springer.com/article/10.1186/s40663-017-0114-y
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