Table 3

Coefficients (a: intercept. b: slope) of body weight (g) − length (cm) linear regression lines (after ln transformation of data) for CF (fish group in control-RAS) and UF (fish group in Ulva-RAS), adjusted R2 of the model estimated at different time periods of sea bass farming.

Fish farming time (weeks) CF UF R2 pa pb


a b a b
Weight (lnW) − Total Length (lnTL) relationships
0 −5.30422 3.24374 −5.01647 3.13718 92.68 NS NS
4 −5.59144 3.33915 −4.35441 2.89589 88.89 NS ***
8 −5.92633 3.46068 −4.61629 3.01710 93.04 ** ***
12 −5.90181 3.44055 −4.55872 3.00069 93.93 *** ***
Weight (lnW) − Standard Length (lnSL) relationships
0 −4.28199 3.04893 −3.94339 2.91710 92.52 NS NS
4 −4.37995 3.08482 −3.43461 2.72771 87.68 NS **
8 −4.45626 3.11989 −3.46734 2.76668 92.45 * ***
12 −4.73555 3.21193 −3.43411 2.76145 92.74 *** ***
Weight (lnW) − Fork Length (lnFL) relationships
0 −5.09568 3.23315 −4.78254 3.11611 92.23 NS NS
4 −5.12548 3.24185 −3.97465 2.81939 88.41 NS **
8 −5.26751 3.30033 −4.25378 2.94750 91.93 NS **
12 −5.41514 3.33991 −4.14708 2.91638 94.12 *** ***

pa: p for differences in intercepts, pb: p for differences in slopes, NS: non-significant. n = 144–150.

*p < 0.05, **p < 0.01, ***p < 0.001.

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