Regional height growth models for Scots pine in Poland

Abstract Site productivity remains a fundamental concern in forestry as a significant driver of resource availability for tree growth. The site index (SI) reflects the overall impact of all environmental factors that determine tree height growth and is the most commonly used indirect proxy for fores...

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Autores principales:	Jarosław Socha, Luiza Tymińska-Czabańska, Karol Bronisz, Stanisław Zięba, Paweł Hawryło
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/322e53a3ba76434ab797df767ba9c253
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spelling	oai:doaj.org-article:322e53a3ba76434ab797df767ba9c2532021-12-02T17:15:24ZRegional height growth models for Scots pine in Poland10.1038/s41598-021-89826-92045-2322https://doaj.org/article/322e53a3ba76434ab797df767ba9c2532021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89826-9https://doaj.org/toc/2045-2322Abstract Site productivity remains a fundamental concern in forestry as a significant driver of resource availability for tree growth. The site index (SI) reflects the overall impact of all environmental factors that determine tree height growth and is the most commonly used indirect proxy for forest site productivity estimated using stand age and height. The SI concept challenges are local variations in climate, soil, and genotype-environmental interactions that lead to variable height growth patterns among ecoregions and cause inappropriate estimation of site productivity. Developing regional models allow us to determine forest growth and SI more appropriately. This study aimed to develop height growth models for the Scots pine in Poland, considering the natural forest region effect. For height growth modelling, we used the growth trajectory data of 855 sample trees, representing the Scots pine entire range of geographic locations and site conditions in Poland. We compared the development of regional height growth models using nonlinear-fixed-effects (NFE) and nonlinear-mixed-effects (NME) modelling approaches. Our results indicate a slightly better fit to the data of the model built using NFE approach. The results showed significant differences between Scots pine growth in natural forest regions I, II, and III located in northern Poland and natural forest regions IV, V, and VI in southern Poland. We compared the development of regional height growth models using NFE and NME modelling approaches. Our results indicate a slightly better fit to the data of the model built using the NFE approach. The developed models show differences in height growth patterns of Scots pines in Poland and revealed that acknowledgement of region as the independent variable could improve the growth prediction and quality of the SI estimation. Differences in climate and soil conditions that distinguish natural forest regions affect Scots pine height growth patterns. Therefore, extending this research to models that directly describe height growth interactions with site variables, such as climate, soil properties, and topography, can provide valuable forest management information.Jarosław SochaLuiza Tymińska-CzabańskaKarol BroniszStanisław ZiębaPaweł HawryłoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jarosław Socha Luiza Tymińska-Czabańska Karol Bronisz Stanisław Zięba Paweł Hawryło Regional height growth models for Scots pine in Poland
description	Abstract Site productivity remains a fundamental concern in forestry as a significant driver of resource availability for tree growth. The site index (SI) reflects the overall impact of all environmental factors that determine tree height growth and is the most commonly used indirect proxy for forest site productivity estimated using stand age and height. The SI concept challenges are local variations in climate, soil, and genotype-environmental interactions that lead to variable height growth patterns among ecoregions and cause inappropriate estimation of site productivity. Developing regional models allow us to determine forest growth and SI more appropriately. This study aimed to develop height growth models for the Scots pine in Poland, considering the natural forest region effect. For height growth modelling, we used the growth trajectory data of 855 sample trees, representing the Scots pine entire range of geographic locations and site conditions in Poland. We compared the development of regional height growth models using nonlinear-fixed-effects (NFE) and nonlinear-mixed-effects (NME) modelling approaches. Our results indicate a slightly better fit to the data of the model built using NFE approach. The results showed significant differences between Scots pine growth in natural forest regions I, II, and III located in northern Poland and natural forest regions IV, V, and VI in southern Poland. We compared the development of regional height growth models using NFE and NME modelling approaches. Our results indicate a slightly better fit to the data of the model built using the NFE approach. The developed models show differences in height growth patterns of Scots pines in Poland and revealed that acknowledgement of region as the independent variable could improve the growth prediction and quality of the SI estimation. Differences in climate and soil conditions that distinguish natural forest regions affect Scots pine height growth patterns. Therefore, extending this research to models that directly describe height growth interactions with site variables, such as climate, soil properties, and topography, can provide valuable forest management information.
format	article
author	Jarosław Socha Luiza Tymińska-Czabańska Karol Bronisz Stanisław Zięba Paweł Hawryło
author_facet	Jarosław Socha Luiza Tymińska-Czabańska Karol Bronisz Stanisław Zięba Paweł Hawryło
author_sort	Jarosław Socha
title	Regional height growth models for Scots pine in Poland
title_short	Regional height growth models for Scots pine in Poland
title_full	Regional height growth models for Scots pine in Poland
title_fullStr	Regional height growth models for Scots pine in Poland
title_full_unstemmed	Regional height growth models for Scots pine in Poland
title_sort	regional height growth models for scots pine in poland
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/322e53a3ba76434ab797df767ba9c253
work_keys_str_mv	AT jarosławsocha regionalheightgrowthmodelsforscotspineinpoland AT luizatyminskaczabanska regionalheightgrowthmodelsforscotspineinpoland AT karolbronisz regionalheightgrowthmodelsforscotspineinpoland AT stanisławzieba regionalheightgrowthmodelsforscotspineinpoland AT pawełhawryło regionalheightgrowthmodelsforscotspineinpoland
_version_	1718381253293506560

Regional height growth models for Scots pine in Poland

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