The Effects of Fire on Surface-Dwelling Arthropod Communities in Pinus brutia Forests of Southwestern Anatolia

Öz

This study aimed at exploring the response of surface-active arthropod communities to fre and
fre-induced habitat alteration in a Pinus brutia Ten. forests in southwestern Turkey. Samplings were carried on in
twelve study sites by using 36 pitfall traps in burned and unburned sites during two months immediately after fre
occurred in August 2004. According to results obtained in two sampling terms, the abundances of all arthropods,
insects and ants were higher on the burned site than on the unburned site. The other community parameters such as
species richness, diversity and evenness were found higher in the burned site for insects and ants. Diptera that was
represented mostly by one species, the syrphid fly Eumerus strigatus (Fallen, 1817) was caught in great abundance
in the burned site. Colonizing of Orthotomicus erosus (Wollaston, 1857) at burned site in two months after fre
increased abundance of bark beetles in the burned site rapidly. Consequently, it was not determined destructive
effects of fre on abundance of arthropods in spite there were changes in community structures depending on rapid
habitat alterations.  

Anahtar Kelimeler

• Arthropods,East Mediterranean,Forest Fires,Insects,Recovery

Güneybatı Anadolu Pinus brutia Ormanlarında Orman Yangınlarının Yüzey-Aktif Eklembacaklı Komüniteleri Üzerine Etkisi

Öz

Bu çalışma, Güneybatı Anadolu Pinus brutia Ten. ormanlarında yangının ve yangın kaynaklı habitat
değişiminin yüzey-aktif eklembacaklı komüniteleri üzerine etkilerinin araştırılmasını amaçlamıştır. Eklembacaklılara
yönelik örnekleme çalışmaları, 2004 yılının Ağustos ayında meydana gelen bir orman yangının hemen sonrasında
yanmış ve yanmamış alanlardan seçilen, 12 çalışma alanında 36 çukur tuzak kullanılarak, iki aylık dönem boyunca
gerçekleştirilmiştir. Çalışmanın sonucuna göre, eklembacaklıların (Şube: Arthropoda), böceklerin (Sınıf: Insecta) ve
karıncaların (Familya: Formicidae) bolluk değerlerinin her iki örnekleme döneminde de yanmış alanda yanmamış
alana gore daha yüksek olduğu tespit edilmiştir. Böcekler ve karıncalar için hesaplanan tür zenginliği, tür çeşitliliği
ve eşitlik değerleri yanmış alanda yanmamış alana gore daha yüksektir. Büyük oranda; Eumerus strigatus (Fallen,
1817) türü ile temsil edilen Diptera Takımı, yanmış alanda yüksek bolluk değerine sahiptir. Yangın sonrası ikinci
ayda Orthotomicus erosus (Wollaston, 1857)’un yanmış alanda gerçekleşen kolonizasyonu, kabuk böceklerinin bu
alandaki bolluğunun ani bir şekilde artmasına neden olmuştur. Sonuç olarak, yangın sonrası ani habitat değişimine
bağlı olarak eklembacaklı komünitelerinin yapısında önemli değişimler meydana gelmesine rağmen, yangının
arthropod komüniteleri üzerinde yıkıcı bir etkisi tespit edilmemiştir  

Anahtar Kelimeler

• Arthropoda,Doğu Akdeniz,Böcek,Orman Yangınları,Yenilenme

Kaynakça

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