Artvin yöresindeki üçlü karışık meşcerelerde kütük çapı ile göğüs çapı ilişkisi

DOI: 10.26650/forestist.2019.18003Göğüs çapı, kolay ölçülebilir olması ve diğer ağaç değişkenleriyle yüksek korelasyona sahip olmasından dolayı, tek ağaç veya meşcere parametrelerinin birçoğunun hesaplanmasında bağımsız bir değişken olarak kullanılmaktadır. Ancak ormanlık alandan ayrılmış olan ağaç hakkında bilgi sahibi olabilmek için göğüs çapı büyüklüğünü tahmin etmek gerekmektedir. Bu çalışmada, Doğu Ladini (L), Sarıçam (Çs) ve Doğu Karadeniz Göknarı (G) karışık meşcerelerinde göğüs çapı-kütük çapı ilişkisi araştırılmıştır. Bu amaçla Artvin’de tam kapalı olan LÇsG ve ÇsLG meşcerelerinden alınan 23 farklı örnek alandan kesilmiş olan 206 ağaç (69 adet L, 69 adet Çs ve  68 adet G) verisi kullanılmıştır. Yapılan istatistiksel analizlere göre, göğüs çapındaki değişkenliği açıklayan en iyi modeller Ladin’de power, Sarıçamda kuadratik ve Göknarda ise doğrusal modeller olmuştur. Bu modellerin üçlü karışık meşcerlerde göğüs çapı değişkenliğini açıklama oranları Ladin için %95,2, Sarıçam için %96,5 ve Göknar için de %96,4 ve bu modellerin hataları da sırasıyla 1.850, 1.598 ve 1.643 şeklinde bulunmuştur. Sonuç olarak, göğüs çapını tahmin etmede belli başarı seviyesinde olan bu modeller, Artvin’deki tam kapalı üçlü karışık meşcerelerde uygulayıcılar tarafından kullanılabilir olarak bulunmuştur.

Estimating diameter at breast height (DBH) from diameter at stump height (DST) in triple mixed stands in the region of Artvin in Turkey

DOI: 10.26650/forestist.2019.18003

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