Tree-ring growth of Pinus nigra Arn. subsp. pallasiana under different climate conditions throughout western Anatolia

Nesibe Köse*, ünal Akkemik, Hasan Nüzhet Dalfes, Mehmet Sinan Özeren, Doĝanay Tolunay

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)


Pinus nigra Arn. subsp. pallasiana (black pine) is one of the most widely grown tree in Turkey. It is the third most widely distributed tree species after Quercus L. and Pinus brutia Ten. Black pine grows in 20% of all forested areas in Turkey. In this dendroecological study, we identified the most important climate factors affecting radial growth of black pine in western Anatolia and classified its responses to climate. Twenty-eight site chronologies developed by different researchers were used in the analysis. Response functions were calculated for each chronology to identify the effect of climate on radial growth. Hierarchical cluster analysis was used to sort response functions and to classify the chronologies into groups based on climate responses. The individual responses of these chronologies to temperature and precipitation were classified in four main groups. Climatic and phytogeographic differences were the major factors influencing the formation of clusters. The results suggest that the major limiting factor is drought caused by low precipitation, especially in May, in almost all sites. The drought effect is much stronger in the transition region to the steppe, Central Anatolia and Mediterranean Regions than the Black Sea Region. Black pine trees respond positively to higher temperature at the beginning of growing season in almost all areas except in transition region to the steppe.

Original languageEnglish
Pages (from-to)295-301
Number of pages7
Issue number4
Publication statusPublished - 2012


This study was supported by The Scientific and Technical Research Council of Turkey (TUBITAK) ; project number TOGTAG 3316. We thank to H. Tuncay Güner and Ali Kaya for their valuable assistance. We are grateful to Meral Avcı, who prepared the map, floristic regions and geological features of Turkey. We thank John Sakulich and Mehmet Aydeniz for their help on an earlier draft of this manuscript.

FundersFunder number
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu


    • Black pine
    • Dendroecology
    • Hierarchical cluster
    • Response function
    • Tree ring
    • Turkey


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