Determination of stand structure in even-aged Oriental Beech Forests in Turkey
This study aimed at developing a stand yield model for even-aged and pure Oriental beech (Fagus orientalis) stands in Sinop Province, located in the north of Turkey. The data used in this study were obtained from 238 sample plots. The sample plots are 24-131 years of stand age range, 19.0-35.9 m of site index range, and 2.2-10.8 of stand density range (relative density index). With the generated equation systems, stand age, site index and density of the three main factors in Oriental beech stands, including the effects of individual, dual and triple factor interactions on the stands were numerically determined. As for even-aged Oriental beech stands, the main stand volume values increase depending on age, site index and density. The number of stems per hectare decreases as the stand grows older, and site index rises; the number, however, increases in parallel with stand density. The current annual volume increment reaches a peak at 30-35 years at all site index groups and density levels, and begins to fall afterwards. Mean annual volume increment peaks up at 65-75 years at all site index classes and density levels, before beginning to decline. The results were in arrangement with the acknowledged growth rules. Stand yield models were assessed as Density-Variable Yield Table used for estimation of the remaining, removal and total stands.
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Format: | Artículo de revista biblioteca |
Language: | English |
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Universidad Austral de Chile, Facultad de Ciencias Forestales
2019-06-12T02:00:50Z
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Subjects: | stand model, oriental beech, density-variable yield table, pure stand, |
Online Access: | https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-92002016000300013 https://bibliotecadigital.infor.cl/handle/20.500.12220/29025 |
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dig-infor-cl-20.500.12220-290252019-06-12T02:00:50Z Determination of stand structure in even-aged Oriental Beech Forests in Turkey Kahriman,Aydin Altun,Lokman Güvendi,Engin stand model oriental beech density-variable yield table pure stand This study aimed at developing a stand yield model for even-aged and pure Oriental beech (Fagus orientalis) stands in Sinop Province, located in the north of Turkey. The data used in this study were obtained from 238 sample plots. The sample plots are 24-131 years of stand age range, 19.0-35.9 m of site index range, and 2.2-10.8 of stand density range (relative density index). With the generated equation systems, stand age, site index and density of the three main factors in Oriental beech stands, including the effects of individual, dual and triple factor interactions on the stands were numerically determined. As for even-aged Oriental beech stands, the main stand volume values increase depending on age, site index and density. The number of stems per hectare decreases as the stand grows older, and site index rises; the number, however, increases in parallel with stand density. The current annual volume increment reaches a peak at 30-35 years at all site index groups and density levels, and begins to fall afterwards. Mean annual volume increment peaks up at 65-75 years at all site index classes and density levels, before beginning to decline. The results were in arrangement with the acknowledged growth rules. Stand yield models were assessed as Density-Variable Yield Table used for estimation of the remaining, removal and total stands. 2016-01-01 2019-06-12T02:00:50Z 2019-06-12T02:00:50Z Artículo de revista https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-92002016000300013 https://bibliotecadigital.infor.cl/handle/20.500.12220/29025 en 10.4067/S0717-92002016000300013 info:eu-repo/semantics/openAccess text/html Universidad Austral de Chile, Facultad de Ciencias Forestales Bosque (Valdivia) v.37 n.3 2016 |
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stand model oriental beech density-variable yield table pure stand stand model oriental beech density-variable yield table pure stand Kahriman,Aydin Altun,Lokman Güvendi,Engin Determination of stand structure in even-aged Oriental Beech Forests in Turkey |
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This study aimed at developing a stand yield model for even-aged and pure Oriental beech (Fagus orientalis) stands in Sinop Province, located in the north of Turkey. The data used in this study were obtained from 238 sample plots. The sample plots are 24-131 years of stand age range, 19.0-35.9 m of site index range, and 2.2-10.8 of stand density range (relative density index). With the generated equation systems, stand age, site index and density of the three main factors in Oriental beech stands, including the effects of individual, dual and triple factor interactions on the stands were numerically determined. As for even-aged Oriental beech stands, the main stand volume values increase depending on age, site index and density. The number of stems per hectare decreases as the stand grows older, and site index rises; the number, however, increases in parallel with stand density. The current annual volume increment reaches a peak at 30-35 years at all site index groups and density levels, and begins to fall afterwards. Mean annual volume increment peaks up at 65-75 years at all site index classes and density levels, before beginning to decline. The results were in arrangement with the acknowledged growth rules. Stand yield models were assessed as Density-Variable Yield Table used for estimation of the remaining, removal and total stands. |
format |
Artículo de revista |
topic_facet |
stand model oriental beech density-variable yield table pure stand |
author |
Kahriman,Aydin Altun,Lokman Güvendi,Engin |
author_facet |
Kahriman,Aydin Altun,Lokman Güvendi,Engin |
author_sort |
Kahriman,Aydin |
title |
Determination of stand structure in even-aged Oriental Beech Forests in Turkey |
title_short |
Determination of stand structure in even-aged Oriental Beech Forests in Turkey |
title_full |
Determination of stand structure in even-aged Oriental Beech Forests in Turkey |
title_fullStr |
Determination of stand structure in even-aged Oriental Beech Forests in Turkey |
title_full_unstemmed |
Determination of stand structure in even-aged Oriental Beech Forests in Turkey |
title_sort |
determination of stand structure in even-aged oriental beech forests in turkey |
publisher |
Universidad Austral de Chile, Facultad de Ciencias Forestales |
publishDate |
2019-06-12T02:00:50Z |
url |
https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-92002016000300013 https://bibliotecadigital.infor.cl/handle/20.500.12220/29025 |
work_keys_str_mv |
AT kahrimanaydin determinationofstandstructureinevenagedorientalbeechforestsinturkey AT altunlokman determinationofstandstructureinevenagedorientalbeechforestsinturkey AT guvendiengin determinationofstandstructureinevenagedorientalbeechforestsinturkey |
_version_ |
1767600526485094400 |