Öksin bölgesinde plantasyon yapılan ve tahribata uğramamış ormanlarda bir Akdeniz türünün (Arbutus unedo) yaprak karakterleri

Abstract

Bu araştırmada Arbutus unedo'nun farklı orman habitatlarındaki yaprak özellikleri karşılaştırıldı., Spesifik yaprak alanı ve spesifik yaprak ağılrığı yaprak karakterleridir. Bu karakterler ekosistem dinamiği için çok önemli yaprak özellikleridir. SLA ve LMA, çevreye karşı verilen tepkide ve bitki fonksiyonları üzerindeki etkilerde (örneğin; yaprak besinleri ve ekonomisi, atmosfer ile gaz alışverişi vb.) önemlidir. A. unedo, doğal olarak Avrupa-Sibirya floristik bölgesinde yetişen bir Akdeniz enklav türüdür. A. unedo'nun yaprak özellikleri doğal ve P. pinaster ekili ormanlarda incelenmiştir. Vejetasyon dönemi boyunca ormanlardan yaprak örnekleri toplandı ve SLA ve LMA değerleri hesaplandı. Doğal ormandaki ortalama SLA değerlerinin P. pinaster ekili ormandan yüksek olduğu, P. pinaster ekili ormanda, LMA değerlerinin doğal ormandan yüksek olduğu bulunmuştur. Fakat orman habitatları arasında istatistiksel olarak fark bulunmadığı tespit edilmiştir.

Keywords

• Spesifik yaprak alanı ve ağırlığı,habitat tipleri,ekosistem dinamiği,kanopi yoğunluğu

The leaf traits of a Mediterranian species (Arbutus unedo L.) in an undisturbed and planted forests in Euxine Region

Abstract

We compared the leaf traits of Arbutus unedo in different forest habitats in this research. Leaf traits are spesific leaf area and specific leaf mass. These traits are very important leaf features in ecosystem dynamics. SLA and LMA response to environment and effect on plant functions (i.e. leaf nutrients and economy, gas exchanges with atmosphere and etc.). A. unedo is a mediterranian enclave species, naturally growing in Euro-Siberian floristic region. Leaf traits of A. unedo were investigated on a natural and P.pinaster planted forest. We collected leaves during vegetation period from forests and calculated SLA and LMA values. We found that mean SLA values in natural forest are high than the P. pinaster planted forest and LMA values in P. pinaster planted forest are high than the natural forest. But statistical differences were not found between forest habitats.

Keywords

• Spesific leaf area and mass,habitat types,ecosystem dynamic

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