Yayın:
Stump Diameter and Diameter at Breast Height Relationships for Oriental Beech and Kazdağı Fir at Mixed Stands in Karabük

dc.contributor.authorSAKICI, Oytun Emre
dc.contributor.authorÜNAL, Gülay
dc.date.accessioned2026-01-05T23:05:09Z
dc.date.issued2017-09-28
dc.description.abstractOzet Calismanin amaci: Bu calismanin amaci, Karabuk yoresi karisik mescerelerinde bulunan Dogu kayini ( Fagus orientalis ) ve Kazdagi goknari ( Abies nordmanniana subsp. equi-trojani ) turleri icin iki farkli yukseklikten (10 cm ve 30 cm) olculen dip kutuk caplari ( d 0.10 ve d 0.30 ) ile gogus caplari ( d 1.30 ) arasindaki iliskilerin arastirilmasidir. Calisma alani: Arastirma, Zonguldak Orman Bolge Mudurlugu’ne bagli Karabuk Orman Isletme Mudurlugu’nun Buyukduz Orman Isletme Sefligi’nde yurutulmustur. Materyal ve Yontem: Arastirma materyali olarak toplam 516 ornek agacta (238 adet Dogu kayini ve 278 adet Kazdagi goknari) yapilan dip kutuk capi ve gogus capi olcumlerinden yararlanilmistir. Dip kutuk caplari ile gogus capi arasindaki iliskilerin modellenmesinde on regresyon denklemi test edilmistir. Denklemler Belirtme Katsayisi ( R 2 ), Hatalarin Ortalama Karekoku ( RMSE ) ve Ortalama Mutlak Hata ( MAE ) olcutlerine gore siralanmis ve en basarili modeller belirlenmistir. Sonuclar: d 0.10 - d 1.30 ve d 0.30 - d 1.30 iliskileri icin incelenen denklemler arasinda her iki agac turu icin de power denklemi en basarili denklem olmustur. Bu denkleme gore elde edilen d 0.10 - d 1.30 ve d 0.30 - d 1.30 iliskilerine iliskin R 2 , RMSE ve MAE degerleri; Dogu kayini icin sirasiyla 0.981, 3.64 ve 2.58 ile 0.989, 2.01 ve 1.36 iken, Kazdagi goknari icin sirasiyla 0.955, 3.80 ve 2.81 ile 0.988, 1.96 ve 1.28’dir. Arastirma vurgulari: Calisma kapsaminda gelistirilen denklemler, mescereden uzaklastirilan agaclarin gogus capi tahmininde kullanilabilecek ve hacim hesaplamalarinda bu tahminlerden yararlanilabilecektir.
dc.description.urihttps://doi.org/10.17475/kastorman.298713
dc.description.urihttp://dergipark.org.tr/download/article-file/447059
dc.description.urihttps://dx.doi.org/10.17475/kastorman.298713
dc.identifier.doi10.17475/kastorman.298713
dc.identifier.issn1303-2399
dc.identifier.openairedoi_dedup___::6954e34da852c2cb126454315122b343
dc.identifier.urihttps://hdl.handle.net/20.500.12597/43558
dc.identifier.wos000424527300008
dc.publisherKastamonu University
dc.relation.ispartofKastamonu Üniversitesi Orman Fakültesi Dergisi
dc.rightsOPEN
dc.subject.sdg13. Climate action
dc.subject.sdg3. Good health
dc.titleStump Diameter and Diameter at Breast Height Relationships for Oriental Beech and Kazdağı Fir at Mixed Stands in Karabük
dc.typeArticle
dspace.entity.typePublication
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