Karyological and some morphological characteristics of Spalax leucodon Nordmann, 1840 (Mammalia: Rodentia) superspecies around Kastamonu Province, Turkey

Körfare Spalax leucodon Nordmann, 1840 üzerinde yapılan bu araştırmada Kastamonu çevresindeki 18 lokaliteden 98 örneğin karyolojisi ve morfolojisi incelendi. Kastamonu çevresinden incelenen körfare populasyonlarının 2n = 54, NF = 72; 2n = 56, NF = 74; 2n = 58, NF = 74; 2n =60, NF = 74 değerlerine sahip oldukları belirlendi. Bu karyolojik sonuçlara göre kromozom morfolojileri bakımından Kastamonu çevresinden belirlenen 2n = 56, 2n = 58 ve 2n = 60 kromozom sayıları Türkiye'deki Spalax leucodon için yeni değerlerdir. Bu populasyonların diploid kromozom sayıları Türkiye'den coğrafik olarak uzak bazı bölgelerde daha önce belirlendiği için bu çalışmada belirlenen değerleri aynı kromozom sayısına ancak farklı kromozom morfolojilerine sahip diğer formlardan ayırmak için 2n = 56N, 58N ve 60N olarak isimlendirildiler. t-testi analizleri sonucunda bütün kromozomal formların diploid kromozom sayıları yanında çok sayıda karakter ölçüsü bakımından da birbirlerinden ayrılabilmesi Spalax kromozomal formlarının ayrı biyolojik türler olarak değerlendirilmesi gerektiği şeklindeki yaklaşımı desteklemektedir.

Kastamonu İli çevresindeki Spalax leucodon Nordmann, 1840 (Mammalia: Rodentia) üsttürünün karyolojik ve bazı morfolojik özellikleri

The karyotypes and morphology of 98 specimens of the subterranean mole rat Spalax leucodon Nordmann, 1840 across 18 localities in and around Kastamonu province were analysed. It was determined that S. leucodon has 2n = 54, NF = 72; 2n = 56, NF = 74; 2n = 58, NF = 74; 2n =60, NF = 74 in the populations from the Kastamonu region. According to these karyological findings based on chromosome morphology the diploid chromosome numbers of 2n = 56, 2n =58, and 2n = 60 determined here are new for Spalax leucodon in Turkey. Because diploid numbers of these populations were formerly found from geographically distant localities in Turkey, they were given as 2n = 56N, 58N, and 60N, to differentiate them from the other forms having the same diploid chromosome numbers but different chromosome morphology. As a result of t-test analysis, separation of all chromosomal forms from each other beside 2n values by many character measurements supported the opinion that each of the chromosomal forms of Spalax should be evaluated as good biological species.

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Turkish Journal of Zoology-Cover
  • ISSN: 1300-0179
  • Yayın Aralığı: Yılda 6 Sayı
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