Length Based Growth Estimation of Sea Cucumbers (Holothuria verrucosa and Holothuria pardalis) (Holothuroidea:Echinodermata) Collected from Coastal Areas of Karachi, Pakistan (northern Arabian Sea)
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Tarih
2020
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Non-seasonal von Bertalanffy and Hoenig seasonal von Bertalanffy models were fittedto the length frequency data of Holothuria pardalis and Holothuria verucosa sampled from thecoastal areas of Karachi between January and December 2018 for estimating the growthparameters. The Hoenig seasonal von Bertalanffy growth parameters were estimated as L∞ = 18.0cm total length (TL), K = 1. 00 year-1for H. pardalis and as L∞ = 18.0 cm TL, K = 0.86 year-1forH. verrucosa. H. verrucosa individuals reached 68.9% of their maximum total length at the oneyear old age class. For H. pardalis it was calculated as 54.2%. The seasonal oscillation in growthrate for H. pardalis (C = 0.90) was larger than it was for H. verrucosa (C = 0.18). The slowestperiod of growth corresponded to June in H. verrucosa and February in H. pardalis may be theresult of the extended both reproduction and poor nutrition periods due to high rainfall regime.The relatively high calculated values of growth rate parameters for both species may have animportant state for their survival rate under the condition of biological stress, but may alsoincrease their potential as a candidate species for aquaculture.
Açıklama
Anahtar Kelimeler
Balıkçılık, Deniz ve Tatlı Su Biyolojisi
Kaynak
JOURNAL OF ANATOLIAN ENVIRONMENTAL AND ANIMAL SCIENCES
WoS Q Değeri
Scopus Q Değeri
Cilt
5
Sayı
3
