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Egyptian Journal of Aquatic Biology and Fisheries
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Aminisarteshnizi, M. (2022). Population Dynamics of Macrobrachium nipponense (De Haan, 1849) in Anzali Lagoon, Iran. Egyptian Journal of Aquatic Biology and Fisheries, 26(2), 477-487. doi: 10.21608/ejabf.2022.231609
Mehrnoush Aminisarteshnizi. "Population Dynamics of Macrobrachium nipponense (De Haan, 1849) in Anzali Lagoon, Iran". Egyptian Journal of Aquatic Biology and Fisheries, 26, 2, 2022, 477-487. doi: 10.21608/ejabf.2022.231609
Aminisarteshnizi, M. (2022). 'Population Dynamics of Macrobrachium nipponense (De Haan, 1849) in Anzali Lagoon, Iran', Egyptian Journal of Aquatic Biology and Fisheries, 26(2), pp. 477-487. doi: 10.21608/ejabf.2022.231609
Aminisarteshnizi, M. Population Dynamics of Macrobrachium nipponense (De Haan, 1849) in Anzali Lagoon, Iran. Egyptian Journal of Aquatic Biology and Fisheries, 2022; 26(2): 477-487. doi: 10.21608/ejabf.2022.231609

Population Dynamics of Macrobrachium nipponense (De Haan, 1849) in Anzali Lagoon, Iran

Article 31, Volume 26, Issue 2, March and April 2022, Page 477-487  XML PDF (739.92 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2022.231609
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Author
Mehrnoush Aminisarteshnizi
Abstract
This study estimates growth parameters, length-frequency growth performance index, longevity, and total mortality of the oriental river prawn, Macrobrachium nipponense, from Anzali lagoon, Iran. The von Bertalanffy growth parameters were, L∞ = 8.65 cm, K = 0.82 yr-1, and t0 = -0.146 yr-1. The growth performance index, Ф', was 1.78. Total mortality, Z, from the linearised length-converted catch curve was 4.89 yr-1. Natural mortality M calculated from Pauly's empirical formula was 2.1 yr-1, and fishing mortality F calculated from Z - M was 2.74 yr-1. The exploitation ratio E calculated from F/Z was 0.57. The longevity was about 3 yrs. Length-frequency showed no significant difference between the two sexes (p>0.05). According to the results of this study, it seems that the Anzali lagoon has a suitable environment for the life and growth of M. nipponense.
Keywords
Growth; mortality; length frequency; Anzali lagoon; Macrobrachium nipponense
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