Observations on the reproductive biology of Unio terminalis (Bivalvia: Unionidae)

Mehmet Güler; Deniz Çoban; Birsen Kırım

doi:10.12714/egejfas.2017.34.3.09

TR EN

Unio terminalis (Bivalvia: Unionidae)' in üreme biyolojisi üzerine gözlemler

Öz

Çalışmamızda Çine Çayından toplanan tatlı su midyesi Unio terminalis (Bourguignat, 1852; Bivalvia: Unionidae)’ in üreme biyolojisi ile ilgili gözlemler yapılmıştır. Tatlı su midyelerinin kendilerine has üreme şekillerinde görülen yumurta paketleri, laboratuvar şartları altında yaklaşık 21–25 Cº su sıcaklığında Mayıs ve Kasım aylarında elde edilmiştir. Yumurta paketlerinin yumurta ve/veya özelleşmiş bir larva tipi olan glochidia ihtiva ettiği gözlenmiştir. Yumurtaların çapı ~225 μm olarak tespit edilmiştir; yumurtaları bırakan dişi boyu ve yumurta çapı arasında bir ilişki bulunmamıştır (R²<0,01). Elde edilen glochidia ortalama büyüklüğü ~185 μm ve bırakıldığı yapıdaki yoğunluğu 30±6 adet mm^-2 olarak kaydedilmiştir. Farklı boylardaki dişilerden elde edilen glochidia boyları arasında anlamlı bir büyüklük farkı bulunmamıştır (p>0,1). Larvalarının kapak hareketlerinin gözlenmesi sonucu en hızlı 1,2 sn^-1frekansında kapaklarını açıp kapattıkları ve bu hızı 15 sn boyunca koruyabildikleri gözlenmiştir. Bununla beraber, birçok larvanın 1 dk^-1 frekansından daha düşük sıklıkta kapak açma kapama hareketi yaptığı tespit edilmiştir. Farklı balık türleri ile birlikte yürütülen larva tutunma çalışmasında glochidia sadece Andinoacara cinsi balıkların solungaçlarında tespit edilmiştir.

Anahtar Kelimeler

tatlı su midyesi,Çine Çayı,Unio terminalis,glochidia,Çine Çayı

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

-

Bölüm

Araştırma Makalesi

Yazarlar

Mehmet Güler
ADNAN MENDERES UNIV
Türkiye

Deniz Çoban
ADNAN MENDERES UNIV

Birsen Kırım
ADNAN MENDERES UNIV

Yayımlanma Tarihi

26 Eylül 2017

Gönderilme Tarihi

21 Şubat 2017

Kabul Tarihi

8 Haziran 2017

Yayımlandığı Sayı

Yıl 2017 Cilt: 34 Sayı: 3

DOI

https://doi.org/10.12714/egejfas.2017.34.3.09

IZ

https://izlik.org/JA29GF62TG

Kaynak Göster

RIS / Bibtex

APA

Güler, M., Çoban, D., & Kırım, B. (2017). Observations on the reproductive biology of Unio terminalis (Bivalvia: Unionidae). Ege Journal of Fisheries and Aquatic Sciences, 34(3), 303-309. https://doi.org/10.12714/egejfas.2017.34.3.09

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Molluscan Research

https://doi.org/10.1080/13235818.2024.2446878

Unio terminalis (Bivalvia: Unionidae)' in üreme biyolojisi üzerine gözlemler

Unio terminalis (Bivalvia: Unionidae)' in üreme biyolojisi üzerine gözlemler

Öz

Anahtar Kelimeler