Kırmızı bataklık kereviti (Procambarus clarkii) jüvenillerinde substrat seçimi

Bu çalışmada, jüvenil kırmızı bataklık kerevitlerinin (Procambarus clarkii) altı farklı substrat (bazalt, boş, çakıl, kalsit, kum, sinek teli) üzerinde substrat tercihleri araştırılmıştır. Substrat seçiminde tabanı altı farklı bölüme ayrılmış ve her bölümde farklı substrat olan altıgen şekilli cam akvaryum kullanılmıştır. Yaklaşık 3 aylık 10 adet kerevit (30±0,2 mm total boy) akvaryuma bireysel olarak yerleştirilerek 24 saat boyunca gözlemlenmişlerdir. Her bir substratta geçirilen süreler kaydedilmiştir. Kerevitler en fazla kum ve bazaltı tercih etmişlerdir (P

Substrate preference on juvenile red swamp crayfish (Procambarus clarkii)

In this study, substrate preference was investigated on juvenile red swamp crayfish (Procambarus clarkii) in six different substrates (basalt, bare glass, small stones, calcite, fine sand, plastic mesh). A hexagonal glass aquarium divided into six sections each containing different substrates was used for substrate preference. Three months old ten juveniles (30±0.2 mm of total lenght) were individually placed into the aquarium and each of them was recorded for 24 h. Spending time in each section was registered. Sand and basalt were the most preferred substrates (P<0.05).

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