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Article Information:
The Condition Factor, Length-Weight Relationship and Abundance of Elops seneganensis (Regan, 1909) from Nkoro River, Niger Delta, Nigeria
J.F.N. Abowei
Corresponding Author: Abowei Jasper
Submitted: 2009 October, 09
Accepted: 2009 November, 04
Published: 2010 January, 10 |
Abstract:
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The condition factor, length-weight relationship and abundance of Elops senegalensis from Nkoro
River in the Niger Delta area of Nigeria was studied for a period of one year (January-December 2008). From
a sample size of 1325 specimens, K value was 0.941 and the exponential equation was Wt = 0.0153 (TL)3.066,
indicating an isometric growth pattern. The highest catch was recorded in Decem ber (1.62), followed by August
(1.41), July (1.28), January (1.12), February (1.01) and M arch (0.64), November (0.60), September (0.59),
October (0.14), A pril (0.12) and M ay (0.11). E. Senegalensis occurred all year round during the study. The
highest condition factor value (1.00) was recorded in January and the lowest (0.40) in October. The highest
catch per unit effort (3.42) was recorded in stations 1, followed by station 2 (3.11), station 4 (2.11) and station
3 (0.12). Although E. Senegalensis from Nkoro River occurred all year round, the specie was more abundant
in the dry season months of December and January; and also in the heavy rains months of July and August.
Key words: Abundance, condition factor, Elops senegalensis, length-weight relationship, Nigeria, Nkoro River,
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Cite this Reference:
J.F.N. Abowei, . The Condition Factor, Length-Weight Relationship and Abundance of Elops seneganensis (Regan, 1909) from Nkoro River, Niger Delta, Nigeria. Advance Journal of Food Science and Technology, (1): Page No: 16-21.
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ISSN (Online): 2042-4876
ISSN (Print): 2042-4868 |
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