Browsing by Author "Keles, SO"
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Web of Science Burn severity evaluation in black pine forests with topographical factors using Sentinel-2 in Kastamonu, Turkiye(2023.01.01) Genc, CO; Kucuk, O; Keles, SO; Unal, SWeb of Science Development and anatomical traits of black pine on an abandoned agricultural land compared to forested areas(2021.01.01) Kara, F; Keles, SO; Loewenstein, EFPublication How anatomical and morphological characteristics affect the flexural properties of two angiosperm species at the sapling stage(2020-08-01) Keleş S.Ö.; Keles, SOThe sapling stage is an important phase due to maintaining plant growth, stability, and survival over the life cycle of trees. However, there are limited investigations in the literature related to both growth and stability of different tree species. This study thus investigated how different tree species at the sapling stage showed different anatomical, morphological, and flexural traits despite being of similar age and growing under the same environmental conditions. The variation of sapling properties was determined in two deciduous tree species: common oak (Quercus robur L.) and Oriental beech (Fagus orientalis Lipsky). The results of anatomical and morphological measurements showed that the highest average values of ray length, ray width, pith radius, pith%, bark%, and node numbers were obtained in oak saplings, whereas average ring width, number of rays, and wood% were found to be higher in beech saplings. Oak also exhibited better functional stability in its saplings. The flexural properties were almost 60% greater in oak stems than beech stems. The variations in flexural properties were explained by the morphological and anatomical traits since stability was positively correlated with pith radius, pith%, and bark% and negatively correlated with the number of rays and wood%.Web of Science Web of Science Publication The effect of altitude on the growth and development of trojan fir (Abies nordmanniana subsp. equi-trojani [asch. & sint. ex boiss] coode & cullen) saplings(2020-01-01) Keleş S.Ö.; Keles, SOThe altitude is an important factor to affect the growth and development of saplings of the tree. However, the effect of altitude on the growth and properties of wood during their young stage it has been little studied. This study, therefore, aimed to evaluate the influence of two different altitude steps: 795 m (a.s.l. low-altitude) and 1350 m (a.s.l. high altitude) on the morphological, anatomical and wood density properties of saplings of Abies nordmanniana subsp. equi-trojani [Asch. & Sint. ex Boiss] Coode & Cullen (Trojan fir). Trojan fir is an endemic species in Turkey and its morphology and anatomy have less studied in the literature. The functional traits and wood density properties differed significantly between the two altitudes. The saplings grown at low-altitude showed greater taper degree, pith radius, pith proportion, and bark proportion than high-altitude. However, stem height, stem diameter, node number, and xylem proportion were found to be higher in saplings grown at high-altitude than low-altitude. Wood cell anatomy also varied significantly between two altitudes such that ring width, ray numbers, tracheid length, and tracheid width were higher at low-altitude, whereas ray height, ray width, tracheid lumen width, and tracheid wall thickness were greater at high-altitude. This study, therefore, suggested that the growth and development of fir saplings were better when they were grown at high-altitude than low-altitude.Web of Science The effect of Melampsorella caryophyllacearum (fir broom rust) on the morphological and anatomical traits of Abies nordmanniana subsp. equi-trojani(2021.01.01) Keles, SO; Unal, S; Karadeniz, MWeb of Science Tree species richness influence productivity and anatomical characteristics in mixed fir-pine-beech forests(2023.01.01) Kara, F; Keles, SO