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Stock Assessment of Bogue, Boops Boops (Linnaeus, 1758) from the Egyptian Mediterranean Waters

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Vulnerability of Agriculture, Water and Fisheries to Climate Change

Abstract

The trawl fishery off Egyptian Mediterranean waters consists of 1,400 vessels, yielding a total annual landing of approximately 16,000 t. The bogue (Boops boops) is a target species for this fishery, with annual landings oscillating between 1,222 and 3,980 t during the last 18 years. The stock of Boops boops in the Egyptian Mediterranean waters has been assessed using a 3 years length frequency data (2007–2009) from the trawl fishery. The vector of natural mortality by age was calculated from Caddy’s formula, using the PROBIOM Excel spreadsheet Abella AJ, Caddy JF, Serena F (Aquat Living Resourc 10:257–269, 1997). The method applied was a tuned virtual population analysis (VPA), applying the Extended Survivor Analysis (XSA) method on the period 2007–2009 and Y/R analysis on the pseudo-cohort 2007–2009. The software used was the VIT program. Results showed that the stock is over exploited, being the fishery operating below the optimal yield level since the current Y/R is lower than the maximum. Results suggest a decreasing trend in the average fishing mortality during the study period by about 40 %.

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Authors and Affiliations

  1. Fish Population Dynamics Laboratory, Fisheries Division, National Institute of Oceanography and Fisheries (NIOF), 182, Suez, Egypt

    Sahar Fahmy Mehanna

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  1. Sahar Fahmy Mehanna
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Correspondence to Sahar Fahmy Mehanna .

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Editors and Affiliations

  1. Public Law Department Faculty of Law, Economics, and Social Sciences, Ibn Zohr University of Agadir North-South Center for Social Sciences (NRCS), Agadir, Morocco

    Mohamed Behnassi

  2. Kenya Agricultural Research Institute, Nairobi, Kenya

    Margaret Syomiti Muteng'e

  3. Department of Science and Technology, Vigyan Prasar Government of India, NOIDA, Uttar Pradesh, India

    Gopichandran Ramachandran

  4. National Council for Climate Change Sustainable Development and Public Leadership (NCCSD), Ahmedabad, Gujarat, India

    Kirit N. Shelat

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Fahmy Mehanna, S. (2014). Stock Assessment of Bogue, Boops Boops (Linnaeus, 1758) from the Egyptian Mediterranean Waters. In: Behnassi, M., Syomiti Muteng'e, M., Ramachandran, G., Shelat, K. (eds) Vulnerability of Agriculture, Water and Fisheries to Climate Change. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-8962-2_20

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