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Assessment of marine fish stocks within India’s ExclusiveEconomic Zone: Status report 2022

Indian Agricultural Research Journals

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Title Assessment of marine fish stocks within India’s ExclusiveEconomic Zone: Status report 2022
 
Creator Kumar, Rajan
Dash, Gyanaranjan
M. Muktha
Sasikumar, Geetha
U. Ganga
Joe Kizhakudan, Shoba
Chellappan, Anulekshmi
Bhendekar, Santosh
Sukumaran, Sandhya
Thomas, Sujitha
Varghese, Eldho
Abdussamad, E. M.
Josileen, Jose
Sen Dash, Swatipriyanka
Rahangdale, Shikha
Pillai, Lakshmi
L. Remya
Akhilesh K.V.
Rekha Devi Chakraborty
K.M. Rajesh
T. M. Najmudeen
Somy Kuriakose
Mini K.G
G. B. Purushottama
M. Kavitha
Vidya, R.
Nakhawa, D. Ajay
Vinothkumar , R.
Roul, Subal Kumar
V., Mahesh
Wilson, Livi
Divipala, Indira
F. , Jasmin
P., Abdul Azeez
Surya, S.
Mohamed, Koya
Manas, H. M.
Vase, Vinay Kumar
Rajkumar, M.
Dineshbabu, A.P.
Sarada, P. T.
Venkatesan, V.
Nair, Rekha J.
Pradhan, Rajesh Kumar
Gomathi, P.
Ail, Sunil Kumar S.
Rathinam, A.Margaret Muthu
Laxmilatha, P.
Rohit, Prathibha
Ghosh, Shubhadeep
Jayasankar, J.
Gopalakrishnan, A.
 
Description India is one of the major fishing nations in the Indian Ocean, with commercial marine fishlandings in the country comprising of nearly 1000 species. A comprehensive and periodicassessment of the stocks is crucial for achieving the goals of sustainable fisheries harvestand management. The ICAR-Central Marine Fisheries Research Institute, Ministry ofAgriculture and Farmers’ Welfare, Govt. of India, is mandated to monitor and assess themarine fisheries resources in the Indian EEZ. In the present study, 135 stocks across 70species were assessed using monthly length-frequency data. The health status of the stockis projected based on a combination of indicators such as relative biomass or spawningstock biomass (B/Bmsy or SSB/SSB0) and relative fishing pressure (F/Fmsy) estimated usinga standard length-based dynamic pool model (i.e., Thompson and Bell Model). Based onthe comparison of estimated values of indicators against the thresholds, the stocks wereclassified as sustainable, overfishing, overfished and rebuilding. The study revealed that91.1% of the assessed fish stocks have a healthy biomass level (sustainable stocks andthose subjected to overfishing), 8.2% of stocks are overfished, whereas 0.7% are in theprocess of rebuilding.
Biology-based, Healthy stocks, Length-frequency,Stock assessment, Sustainable, Tropical
 
 
Publisher Central Marine Fisheries Research Institute (on behalf of Indian Council of Agricultural
 
Date 2024-03-31
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJF/article/view/149732
10.21077/ijf.2024.71.1.149732-01
 
Source Indian Journal of Fisheries; Vol. 71 No. 1 (2024)
0970-6011
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJF/article/view/149732/54251
 
Rights Copyright (c) 2024 Indian Journal of Fisheries