Reproductive characteristics of Mullet (Liza abu H., 1843) (Pisces, Mugilidae) in the Atatürk Dam Lake, southeastern Turkey
Küçük Resim Yok
Tarih
2011
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Bu çalışmada Fırat Nehir Sistemi?ndeki, Atatürk Baraj Gölü'nde bulunan Liza abu (Pisces Mugilidae)?nun (n=821); yaş, yumurta sayısı, cinsiyet ve gonadosomatik indeks (GSI) gibi bazı üreme özellikleri dikkate alınarak üreme biyolojisi incelendi. Ocak 2004 ile Aralık 2005 arasındaki dönem boyunca; total ağırlık ($W _t$), total uzunluk ($L _t$) ve fekondite (F) verileri arasındaki ilişki araştırılmıştır. İncelenen balıkların yaşları 1 ile 5 arasında değişti. Yumurtalı dişi (89): total dişi (413): total örnek (810) oranları sırasıyla 1: 4,64:9,10 olarak belirlendi. En yüksek gonadosomatik indeks değeri dişilerde Nisan ayında belirlenirken, erkeklerin Mayıs ayı oldu. Total ağırlık ($W _t$) ve fekondite (F) ile, total uzunluk ($L _t$) ve fekondite (F) arasındaki ilişki sırasıyla $F _W$ = 25,5+0,00583$W _t$ ($R^ 2$= 0,557) ve FL= 14,2+0,000373 $L _t$ ($R^ 2$= 0,496) olarak belirlendi. Erkek ve dişilerde total ağırlık ($W _t$) ve gonad ağırlığı ($W _g$) arasındaki ilişki sırasıyla $W _t$ = 38,5+2,55$W _g$ ($R^ 2$= 0,222) ve $W _t$= 36,8+4,55$W _g$ ($R^ 2$=0,331) olarak belirlendi.
In this study reproductive biology of Liza abu (Pisces Mugilidae) from Atatürk Dam Lake in the Euphrates River Basin was observed. Some reproductive characteristics such as age, egg number, sexual determination, gonadosomatic index (GSI) of Liza abu (n=821) are taken into consideration. The relationship between total weight ($W _t$), and total length ($L _t$) and fecundity (F) were investigated during the period from January 2004 to December 2005. The ages of investigated fish ranged from 1 to 5. The ratio of the numbers of fish samples with egg (89): total of female (413): total sample of Liza abu (810) were determined as 1:4.64:910 respectively. Though the highest gonadosomatic index (GSI) of female was found in April, male‟s was highest in May. The relationships between the total weight ($W _t$) and fecundity (number of eggs= F), total length ($L _t$) and fecundity (F) of L. abu were found as $F _W$ = 25.5+0.00583$W _t$ ($R^ 2$= 0.557) and $F _L$= 14.2+0.000373 Lt ($R^ 2$= 0.496) respectively. Relationship between total weight ($W _t$) and gonad weight ($W _g$) in males and females were found as $W _t$=38.5+2.55$W _g$ ($R^ 2$=0.222) and $W _t$= 36.8+4.55$W _g$ ($R^ 2$=0.331), respectively.
In this study reproductive biology of Liza abu (Pisces Mugilidae) from Atatürk Dam Lake in the Euphrates River Basin was observed. Some reproductive characteristics such as age, egg number, sexual determination, gonadosomatic index (GSI) of Liza abu (n=821) are taken into consideration. The relationship between total weight ($W _t$), and total length ($L _t$) and fecundity (F) were investigated during the period from January 2004 to December 2005. The ages of investigated fish ranged from 1 to 5. The ratio of the numbers of fish samples with egg (89): total of female (413): total sample of Liza abu (810) were determined as 1:4.64:910 respectively. Though the highest gonadosomatic index (GSI) of female was found in April, male‟s was highest in May. The relationships between the total weight ($W _t$) and fecundity (number of eggs= F), total length ($L _t$) and fecundity (F) of L. abu were found as $F _W$ = 25.5+0.00583$W _t$ ($R^ 2$= 0.557) and $F _L$= 14.2+0.000373 Lt ($R^ 2$= 0.496) respectively. Relationship between total weight ($W _t$) and gonad weight ($W _g$) in males and females were found as $W _t$=38.5+2.55$W _g$ ($R^ 2$=0.222) and $W _t$= 36.8+4.55$W _g$ ($R^ 2$=0.331), respectively.
Açıklama
Anahtar Kelimeler
Zooloji, Balıkçılık
Kaynak
Turkish Journal of Fisheries and Aquatic Sciences
WoS Q Değeri
Scopus Q Değeri
Cilt
11
Sayı
1
