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 پایگاه استنادی علوم جهان اسلام (ISC)

پایگاه اطلاعات جهاد دانشگاهی (SID) 



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:: Volume 24, Issue 1 (2025) ::
IJFS 2025, 24 Back to browse issues page
Research Article: Annual food consumption/biomass ratio of demersal fish resources in the Persian Gulf and Oman Sea
S. Behzadi , A.R. Rastgoo * , T. Valinassab
South Iran Aquaculture Research Center, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran , Rastgoo.alireza@yahoo.com
Abstract:   (442 Views)
The consumption/Biomass (Q/B) ratio and aspect ratio are basic inputs to mass-balanced trophic structures that are frequently used by ECOPATH software program. Here, we listed Q/B ratio for 154 fish species of the Persian Gulf and the Gulf of Oman to contribute to mass-balanced trophic model parametrization. Samples were collected using a research vessel bottom trawl from the Persian Gulf and the Gulf of Oman (Hormozgan province) between May and December 2017. All species were classified into six ecological groups (demersal, benthopelagic, reef-associated, pelagic-neritic, pelagic-oceanic, and bathypelagic). The aspect ratio value for all species ranged from 0.59 for Plotosus lineatus to 5.16 for Megalaspis cordyla. On the other hand, the Q/B ratio varied from 3.94 for Epinephelus coioides to 29.47 for Pentaprion longimanus. The Q/B index quantifies the proportion of food consumed within the ecosystems of the Persian Gulf and Gulf of Oman, establishing a significant correlation with fish production. It serves as a fundamental parameter in ECOPATH modeling, which is essential for sustainable fishing practices and effective fisheries management.
Keywords: Consumption/biomass, Aspect ratio, Fish, Persian Gulf, Gulf of Oman
Full-Text [PDF 546 kb]   (252 Downloads)    
Type of Study: Orginal research papers | Subject: Ecology
Received: 2022/08/15 | Accepted: 2023/02/26 | Published: 2024/12/2
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Behzadi S, Rastgoo A, Valinassab T. Research Article: Annual food consumption/biomass ratio of demersal fish resources in the Persian Gulf and Oman Sea. IJFS 2025; 24 (1) :57-68
URL: http://jifro.ir/article-1-5123-en.html


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Volume 24, Issue 1 (2025) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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