DOI: 10.31127/tuje.1511251 ISSN: 2587-1366

A Stocking Diagram for Even-aged Mixed Pine-Fir Stands of Kastamonu Region

Ferhat Kara, Arif Oguz Altunel
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Forest stand density diagrams help forest managers and practitioners more effectively manage stand density and tree occupancy to meet specific silvicultural goals. Therefore, creating such auxiliary silvicultural tools for different stands is essential. This study aimed to develop a stocking diagram for even-aged mixed Scots pine (Pinus sylvestris L.)-Kazdağı fir (Abies nordmanniana subsp. equi-trojani) stands. Field measurements and the General Directorate of Forestry dataset were used to create the diagram. In the study, statistical relations between stocking percent and diameter increment in selected sample areas were also determined, and these statistical relations were compared with the "stand basal area-diameter increment relations" in the same sample areas. Stand stocking percent is known to be more descriptive than absolute density measurement units (i.e., basal area) in defining stand density in mixed Scots pine-Kazdağı fir stands. The resulting stock diagram may allow more effective use of stand growing space to achieve various silvicultural goals, including regeneration, thinning, and wildlife protection in mixed Scots pine- Kazdağı fir stands.

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