Mortality and stock-size estimates of the Harpodon nehereus (ham.), off Nawabunder, Gujarat

Khan, Mohammad Zafar (1986) Mortality and stock-size estimates of the Harpodon nehereus (ham.), off Nawabunder, Gujarat. Indian Journal of Fisheries, 33 (3). pp. 354-358.

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Abstract

The estimated total mortality rate of bombayduck, Harpodorl r~ehereus,at Nawabunder varied between 2.443 and 2.939 for the period 1976-79. The Natural mortality coefficient (M) was at 1.575 for the unexploited phase and 1.462 for the exploited phase. Exploitation rate (u) was at 0.422. The MSY and the average yield were close to each other as the estimated values were 3918.4 t and 3561.0 t, respectively.

Item Type:Article
Uncontrolled Keywords:Bombay duck; Harpodon nehereus; Nawabunder
Subjects:Demersal Fishes > Bombay Duck
Marine Biology > Biology
Divisions:CMFRI-Cochin > Marine Capture > Pelagic Fisheries
ID Code:556
Deposited By:Edwin Joseph
Deposited On:14 May 2010 12:45
Last Modified:14 May 2010 12:49

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