Length-weight relationships of fishes from tributaries of the Volta River, Ghana: Part II and Conclusion

Palomares, M.L.D. and Entsua-Mensah, M. and Osei-Abunyewa, A. (1996) Length-weight relationships of fishes from tributaries of the Volta River, Ghana: Part II and Conclusion. Naga, the ICLARM Quarterly, 19(1), pp. 45-47.

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Abstract

Slopes and intercepts of length-weight relationships obtained from 37 populations from the rivers Oti, Pru and Black Volta in Ghana were compared using a one way analysis of covariance with fixed effects. Although no significant differences were obtained from this analysis, an ANOVA comparing the magnitudes of mean condition factors (Wx100/SL3) found 9 out of 37 populations significantly different at the 0.05 level. A two-way nested ANOVA using all populations combined, however, did not yield any significant differences between the three rivers. Thus, pooling the data to obtain the results presented in Part I (see Entsua-Mensah et al. Naga 1995) is justified here.

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