Murat Nehri’ndeki Garra rufa (Heckel, 1843)’n?n Baz? Populasyon Parametreleri

نویسندگان

چکیده

Bu çal??mada, Murat Nehri’nde ya?ayan ve “doktor bal?k” olarak bilinen Garra rufa (Heckel, 1843)’n?n baz? populasyon parametrelerinin belirlenmesi amaçlanm??t?r. Ara?t?rmada kullan?lan toplam 322 adet bal?k örne?i, serpme a?? elektro?oker cihaz? kullan?larak, Mart 2016 ile ?ubat 2017 tarihleri aras?nda Nehri’nden temin edilmi?tir. Populasyonun I-V ya? gruplar? da??l?m gösterdi?i di?i/erkek oran?n?n 1:1.24 oldu?u tespit Boy-a??rl?k ili?kisi regresyon analizi belirlenmi?tir. Buna göre; katsay?s? (b) di?ilerde 2.4551 (negatif allometrik büyüme), erkeklerde 2.2039 büyüme) tüm bireylerde 2.3167 ?ncelenen örneklerinin total boylar? 5.1-15.5 cm, a??rl?klar? ise 3.0-50.6 g de?i?iklik göstermi?tir. genelinde gruplar?n?n kondisyon faktörü de?erlerinin ortalamas? 1.17 büyüme parametreleri di?ilerde; L? = 16.33 K 0.37 y?l-1, t0 -0.18 y?l, W? 42.59 g, erkeklerde; 15.25 0.43 -0.03 31.37 bireylerde; 15.88 0.39 -0.13 36.62 Büyüme performans indeksi (?) 4.59, 4.61 populasyonun 4.59 hesaplanm??t?r.

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ژورنال

عنوان ژورنال: Yüzüncü Y?l Üniversitesi Tar?m Bilimleri Dergisi

سال: 2021

ISSN: ['1308-7584', '1308-7576']

DOI: https://doi.org/10.29133/yyutbd.781650