Trakya’daki, Bataklık Kurbağası, Rana ridibunda Pallas, 1771’ın Besin İçeriği

Bu çal›flman›n amac›, batakl›k kurba¤as›, Rana ridibunda’n›n Trakya Bölgesi populasyonunun beslenme al›flkanl›¤›n belirlemektir. 53 (19 , 34 ¶¶) ergin bireyin mide içeri¤i incelenmifltir. Bu kurba¤an›n besinini genifl oranda çeflitli eklembacakl›lar oluflturmaktad›r. Bu grup içinde de Diptera (% 42,62) ve Coleoptera (% 21,84) özellikle göze çarpan gruplard›r. Sucul formlar türün beslenmesinde çok fazla katk›da bulunmamaktad›r. Bireylerden tespit etti¤imiz besin içerikleri, bu türün di¤er ranidler gibi beslenmesinin büyük oranda av›n bulunuflu ile ilgili oldu¤u di¤er bir deyiflle genel f›rsatç› avc›lar olduklar›n› göstermektedir.

Anahtar Kelimeler:

Batakl›k kurba¤as›, Rana ridibunda, besin analizi, Trakya, Türkiye

Food Composition of the Marsh Frog, Rana ridibunda Pallas, 1771, in Thrace

The purpose of this investigation was to determine the feeding habits of the marsh frog, Rana ridibunda, populations inhabiting Turkish Thrace. Analysis of the stomach contents of 53 (19 males, 34 females) adult individuals was performed. The frog diet consisted of a wide variety of arthropods; Diptera (42.62%) and Coleoptera (21.84%) were especially prominent. Aquatic forms did not contribute much to the frog diet. The prey items identified indicate that individuals of this species, like other ranids, are generalist opportunistic predators whose diet is most strongly influenced by prey availability.

Keywords:

Marsh frog, Rana ridibunda, food analysis, Thrace, Turkey,

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