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Effects of Colour of Fyke-Net on CPUE and Species Composition of Fishes in Anzali Wetland

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Year: 2014
COI code: ICII02_108
Paper Language: English

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Authors Effects of Colour of Fyke-Net on CPUE and Species Composition of Fishes in Anzali Wetland

S.Y Paighambari - Fisheries Department, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
  A Moradinasab - Fisheries Department, Faculty of Marine Science and Technology, Hormozgan University, Bandar Abbas, Iran
  H Raeisi Azizi - Fisheries Department, Faculty of Marine Science and Technology, Hormozgan University, Bandar Abbas, Iran
  M Daliri - Fisheries Department, Faculty of Marine Science and Technology, Hormozgan University, Bandar Abbas, Iran
  M Parsa - Fisheries Department, Faculty of Marine Science and Technology, Hormozgan University, Bandar Abbas, Iran
E Kamrani -

Abstract:

This study examined the effect of Fyke-Net colour on CPUE (number caught perFyke-Net in 24 h) and species composition of fishes in Anzali wetland. We placed 9black, red and blue Fyke-Net (each with 3 replicate) for two month during Octoberand November 2010 in west of the Anzali wetland. In the study, 185 fishes, including3 families and 7 species, were identified and their biometric features were recorded.The species Esox lucius with 88.8% and Vimba vimba persa with 22.2% had thehighest and lowest percentage of catch, respectively. Comparing the results of theaverage CPUE, between the three treatments showed significant differences (F= 8.59;P < 0.05) among the mean CPUE of the traps and red colour had 5.7 specimens perday showing the maximum rate. There was a significant difference among CPUE ofthe traps for the species of E. lucius, Scardinius erythrophthalmus, Silurus glanis andV. vimba persa (P < 0.05). But for species of Tinca tinca, Cyprinus carpio andCarasius auratus no difference was detected in mean CPUE. The results suggest thatcolour of Fyke-Net is a factor influencing the catch rate with E. lucius and S.erythrophthalmus are caught with red Fyke-Net, S. glanis with black Fyke-Net andV. vimba persa with blue Fyke-Net, and color of Fyke-Net can be used to catch thetarget species and reduce the by-catch.

Keywords:

Fyke-Net, CPUE, Species Composition, Colour Tissue, Anzali Wetland

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COI code: ICII02_108

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Paighambari, S.Y; A Moradinasab; H Raeisi Azizi; M Daliri; M Parsa & E Kamrani, 2014, Effects of Colour of Fyke-Net on CPUE and Species Composition of Fishes in Anzali Wetland, The Second Iranian Conference of Ichthyology, كرج, دانشكده منابع طبيعي - دانشگاه تهران, https://www.civilica.com/Paper-ICII02-ICII02_108.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Paighambari, S.Y; A Moradinasab; H Raeisi Azizi; M Daliri; M Parsa & E Kamrani, 2014)
Second and more: (Paighambari; Moradinasab; Raeisi Azizi; Daliri; Parsa & Kamrani, 2014)
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