International Journal of Biodiversity / 2018 / Article / Tab 2

Research Article

Alien Fish Species in the Mbô Floodplain Rivers in Cameroon

Table 2

Length-weight relationships parameters, growth type, and mean K factor of alien fish species caught in the Mbô Floodplain Rivers (October 2014–October 2015).

SpeciesLWR parametersTgMean K factor

Clarias gariepinus780.950.00623.000.020I0.674±0.300
Tilapia cameronensis600.920.00523.370.491+A0.523±0.083
Oreochromis niloticus660.900.01243.080.030I1.262±0.230
Parachanna obscura330.960.00343.260.417+A0.336±0.040
Total population2370.930.00683.180.575+A0.700±0.400

(a and b) superscript letters in the same column are significantly different (P=.01); N: sample size; r2: coefficient of determination; a and b = estimated parameters of the LWR (length-weight relationships); ts: Student's t-test; Tg: types of growth; I: isometric growth; +A: positive allometric growth; -A: negative allometric growth; ±: standard deviation

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