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Fisheries Ecology of the Dawhenya Impoundment

 

Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description
 

The fisheries ecology of the Dawhenya impoundment with special reference to the freshwater prawn, Macrobrachium vollenhovenii was studied for a period of 12 months. The analysis of the population parameters of M. vollenhovenii was done using the routines in the FAO-ICLARM Stock Assessment Tools (FiSAT). The length-weight relationship showed that the species exhibited a positive allometric growth pattern. The estimation of the von Bertalanffy growth parameters gave, L? = 14.2 cm, K = 1.0 yr-1, and to = -0.195 yr-1 with the growth performance index, ?' of 2.303. From the mortality estimations, the present rate of exploitation, E was 0.59 indicating that the species was being over-exploited in the impoundment. The relative yield-per-recruit from the selection ogive option gave maximum exploitation rate of 0.525 which is lower than the computed exploitation rate, confirming the high fishing pressure on M. vollenhovenii. Using the estimated value of the growth coefficient, K, the longevity was found to be 3 years. The estimations from the probability of capture routines gave the length-at-first capture, Lc as 3.07 cm.

Product Specifications
SKU :COC100170
AuthorElliot Haruna Alhassan
LanguageEnglish
BindingPaperback
Number of Pages96
Publishing Year2011-08-24T00:00:00.000
ISBN978-3845437613
Edition1 st
Book TypeAgriculture & farming
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-08-18 00:00:00