Kentsel alanlardaki yaprak döken bazı yol ağaçlarının fenolojik ve görsel açıdan değerlendirilmesi

Peyzaj ekolojik olarak leke-matris-koridor kavramalarının referansı ile ifade edilir. Yol koridorları kentsel ortamların sadece ekoljik değil aynı zamanda görsel durumun da katkı sağlayan önemli kentsel yapılardır. Kentler artan nüfüs bakımından açık ve yeşil alanların sıklığı yönünden baskı altındadır. Yol kenarı bitkilendirmeleri bu sıklık üzerinde olumlu yönde önemli katılar sağlamaktadır. Bu çalışmanın temel amacı; yol kenarındaki bazı yaprak döken bitkilerin morfolojik değişimlerinin neler olduklarını belirlemek ve bu ağaçların yolu kullananlar üzerindeki görsel etkilerini mevsimsel değişim ve yaşlara göre değişim yönünden ele almaktır. Bu amaçların gerçekleştirilmesi için; ilk aşamada morfolojik değişimlerini belirlemek için bu ağaçlar altı yıl boyunca gözlemlenmiştir. Ikici aşamada altı yıl boyunca ve mevsimsel değişimleri fotoğraflanan bu ağaçlar Platanus orientalis L., Aesculus hippocastanum L., Liriodendron tulipifera L. and Acer negundo L. yol kenarı boyunca fotoğraflanmıştır. Daha sonra, fotoğraflar ankette değerlendirmek için ön elemeye tabi tutulmuştur. Anket çalışması iki aşamada gerçekleştirilmiştir. Ilk aşamasında fotoğrafların yıllara göre beğeni düzeylerini belirlemek için yapılırken, ikinci aşamasında ise mevsimsel değişimlerin görsel tercih ve kalite düzeylerini belirlemek üzere değerlendirmeler yapılmıştır. Sonuç olarak bu çalışma ile, yol kenarında bulunan bazı yaprak döken ağaçların görsel kalite ve beğeni durumları ve ağaçalrın fenolojik değişimleri belirlenmiştir

Anahtar Kelimeler:

bitki fenolojisi, görsel tanımlamalar, yol kenarı bitkilendirmeleri, yaprak döken ağaç

Phenological and visual evaluations of some roadside deciduous trees in urban area

Landscape has been referred to ecologically as a patch-corridor-matrix. Road corridors are not only significant in contributing to the urban landscape, but are also of great importance from an ecological point of view. Under pressure from increasing urban population, the density of urban open green areas is diminishing. In urban spaces, plantings along roadside corridors provide a very important positive effect on this density. The main objectives of this study were to identify the morphological changes in some deciduous roadside trees, and to use images of urban roadside plantings of different species, ages and seasonal change potential to identify the visual effects they had on urban motorists. In order to realize these aims, firstly, a number of deciduous trees were observed over a six-year period to determine their morphological changes. Secondly, seasonal changes of Platanus orientalis L. oriental plane , Aesculus hippocastanum L. horse chestnut , Liriodendron tulipifera L. tulip poplar and Acer negundo L. boxelder maple along urban roadsides were photographed over each of the six years. These images were then subjected to a preliminary survey in order to evaluate the questionnaire. The survey itself was conducted in two stages. In the first stage, the images of the trees were evaluated according to the years in order to determine visual preference levels. In the second stage, they were assessed according to seasonal changes in order to define visual quality levels. Consequently, the preference and visual quality levels of the images of the roadside trees as they affected urban motorists were identified and the phenological changes of the trees were determined

Keywords:

plant phenology, visual determinations, roadside plantings, deciduous trees,

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