Thinning effects on stand growth, carbon stocks, and soil properties in Brutia pine plantations

Abstract Background The purpose of this study was to investigate the effects of thinning on stand growth, carbon (C) sequestration, and soil properties in Brutia pine (Pinus brutia Ten.) plantations. The study was conducted at two experimental sites -the Antalya-Kaş and Isparta-Eğirdir plantation ar...

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Main Authors: Neşat Erkan, Şükrü Teoman Güner, Ali Cem Aydın
Format: Article
Language:English
Published: BMC 2023-03-01
Series:Carbon Balance and Management
Subjects:
Online Access:https://doi.org/10.1186/s13021-023-00226-0
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author Neşat Erkan
Şükrü Teoman Güner
Ali Cem Aydın
author_facet Neşat Erkan
Şükrü Teoman Güner
Ali Cem Aydın
author_sort Neşat Erkan
collection DOAJ
description Abstract Background The purpose of this study was to investigate the effects of thinning on stand growth, carbon (C) sequestration, and soil properties in Brutia pine (Pinus brutia Ten.) plantations. The study was conducted at two experimental sites -the Antalya-Kaş and Isparta-Eğirdir plantation areas- in Turkey between 1985 and 2015. Different thinning intensities -unthinned (control), moderate, and heavy- were replicated in four blocks. We determined the C in the living biomass, litter, soil, and some soil features for each experimental parcel. Results We found no statistically significant difference in total stand volume between thinning-intensity treatments 30 years after thinning. This may be due to more light availability and less competition between trees and faster tree-diameter growth rate after thinning, thus explaining the volume in the treated parcels compared to the control over time. The C stocks in the biomass, litter, and soil were not significantly influenced by the thinning intensity. The nutrients in the litter and soil, and other soil properties, were not significantly different among thinning parcels. This implies that the C and other nutrients in the litter and soil are related to the stand volume and biomass, which were not changed by thinning in time. Conclusion This finding is important in terms of showing that there was no change in total stand volume by thinning, which has been debated in the literature. This information is useful for forest managers when determining thinning strategy.
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spelling doaj.art-4b72bd1124a146008247a48ea07735692023-04-03T05:15:49ZengBMCCarbon Balance and Management1750-06802023-03-0118111010.1186/s13021-023-00226-0Thinning effects on stand growth, carbon stocks, and soil properties in Brutia pine plantationsNeşat Erkan0Şükrü Teoman Güner1Ali Cem Aydın2Faculty of Forestry, Bursa Technical UniversityDepartment of Forestry, Ulus Vocational School, Bartın UniversitySouthwest Anatolian Forest Research InstituteAbstract Background The purpose of this study was to investigate the effects of thinning on stand growth, carbon (C) sequestration, and soil properties in Brutia pine (Pinus brutia Ten.) plantations. The study was conducted at two experimental sites -the Antalya-Kaş and Isparta-Eğirdir plantation areas- in Turkey between 1985 and 2015. Different thinning intensities -unthinned (control), moderate, and heavy- were replicated in four blocks. We determined the C in the living biomass, litter, soil, and some soil features for each experimental parcel. Results We found no statistically significant difference in total stand volume between thinning-intensity treatments 30 years after thinning. This may be due to more light availability and less competition between trees and faster tree-diameter growth rate after thinning, thus explaining the volume in the treated parcels compared to the control over time. The C stocks in the biomass, litter, and soil were not significantly influenced by the thinning intensity. The nutrients in the litter and soil, and other soil properties, were not significantly different among thinning parcels. This implies that the C and other nutrients in the litter and soil are related to the stand volume and biomass, which were not changed by thinning in time. Conclusion This finding is important in terms of showing that there was no change in total stand volume by thinning, which has been debated in the literature. This information is useful for forest managers when determining thinning strategy.https://doi.org/10.1186/s13021-023-00226-0Plant nutrient elements in soilSilvicultural treatmentsCarbon poolsPlant litter
spellingShingle Neşat Erkan
Şükrü Teoman Güner
Ali Cem Aydın
Thinning effects on stand growth, carbon stocks, and soil properties in Brutia pine plantations
Carbon Balance and Management
Plant nutrient elements in soil
Silvicultural treatments
Carbon pools
Plant litter
title Thinning effects on stand growth, carbon stocks, and soil properties in Brutia pine plantations
title_full Thinning effects on stand growth, carbon stocks, and soil properties in Brutia pine plantations
title_fullStr Thinning effects on stand growth, carbon stocks, and soil properties in Brutia pine plantations
title_full_unstemmed Thinning effects on stand growth, carbon stocks, and soil properties in Brutia pine plantations
title_short Thinning effects on stand growth, carbon stocks, and soil properties in Brutia pine plantations
title_sort thinning effects on stand growth carbon stocks and soil properties in brutia pine plantations
topic Plant nutrient elements in soil
Silvicultural treatments
Carbon pools
Plant litter
url https://doi.org/10.1186/s13021-023-00226-0
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