Yaban hayatı araç çarpışmalarının zamansal ve mekânsal analizi: Ankara-Çankırı Karayolu

Öz

Ulaşım ağları habitatları parçalayarak yaban hayvanları üzerinde olumsuz etkilere yol açmaktadır. Bu etkilerden belki de en önemlisi yaban hayatı araç çarpışmalarıdır (YHAÇ). YHAÇ’ndan sadece yaban hayvanları etkilenmez aynı zamanda insanlara da maddi ve manevi etkilere sahiptir. Bu çalışma ile Ankara-Çankırı Karayolu’nun 50 kilometrelik kısmında; i) YHAÇ sonucu meydana gelen kazaların yerlerinin belirlenmesi, ii) sıcak noktaların tanımlanması hedeflenmiştir. Bu amaç için haftada bir kez YHAÇ verileri toplanmıştır. YHAÇ yerlerine ait sıcak noktaları için CrimeStat3 yazılımı ile nüve yoğunluk haritaları oluşturulmuştur. YHAÇ sonucunda 10 türden, 114 adet orta ve büyük memeli kaydedilmiştir. En fazla ölen türler, kirpi (Erinaceus concolor Martin, 1838) (n = 43), tilki (Vulpes vulpes Linnaeus, 1758) (n = 34) ve sansar (Martes foina Erxleben, 1777) (n = 18) olmuştur. Yaban hayatı araç çarpışmaları sıcak noktalar haritasında beş adet çok yüksek, bir adet yüksek ve iki adet de orta yoğunlukta kümelenme meydana gelmiştir. Çalışmanın sonuçları biyolojik çeşitliliğin korunmasına ve YHAÇ’nin azaltılmasına katkı sağlayacaktır. Yaban hayatı araç çarpışmalarının konumunun, zamanının ve sıklığının bilinmesi, çarpışmaların azaltılması için ulaşım planlamalarının yapılmasında önem arz etmektedir.

Anahtar Kelimeler

• Ankara-Çankırı Karayolu
• Nüve yoğunluk kestirimi
• Memeli
• Sıcak nokta
• Yaban hayatı

Temporal and spatial analysis of wildlife vehicle collisions: Ankara-Çankırı Highway

Öz

Transportation networks disrupt habitats and cause adverse effects on wildlife. Perhaps the most important of these effects is wildlife vehicle collisions (WVC). WVC not only harms wildlife, but also has economically and mortal effects on humans. With this study, in the 50-kilometer section of the Ankara-Çankırı Highway, it was aimed to i) identify the locations of the WVC events, ii) identify the hotspots. For this purpose, roadkill data was collected once a week. The hotspots of WVC sites were generated by CrimeStat3 software. A total of 114 medium and large mammal wild animals were recorded from 10 species that died because of WVC. The species that died the most were hedgehog (Erinaceus concolor Martin, 1838) (n = 43), fox (Vulpes vulpes Linnaeus, 1758) (n = 34) and marten (Martes foina Erxleben, 1777) (n = 18). In the WVC hotspots map, five very high, one high and two medium intensity clusters occurred. The results of the study will contribute to the protection of biodiversity and the reduction of WVC. Determining the spatial, temporal and frequency of WVC is important in making transportation plans to reduce collisions.

Anahtar Kelimeler

• Ankara-Çankırı Highway
• Kernel density estimation
• Mammal
• Hotspot
• Wildlife

Kaynakça

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