Differences among families in craniofacial shape at early life-stages of Arctic charr (Salvelinus alpinus)

Beck, Samantha V.; Räsänen, Katja; Leblanc, Camille A.; Skúlason, Skúli; Jónsson, Zophonías O.; Kristjánsson, Bjarni K.

doi:10.1186/s12861-020-00226-0

BMC Developmental Biology

Table 1 Final Procrustes ANOVA models characterising early life-stage craniofacial shape in Arctic charr (Salvelinus alpinus) embryos at hatching (H) and first feeding (FF)

From: Differences among families in craniofacial shape at early life-stages of Arctic charr (Salvelinus alpinus)

		Size								No Size
			Df	SS	MS	Rsq	F	Z	P	Df	SS	MS	Rsq	F	Z	P
Model 1	H & FF	Family	6	0.073	0.012	0.396	9.351	5.560	0.001	6	0.066	0.011	0.374	8.625	5.415	0.001
		Dev. stage	1	0.001	0.001	0.007	0.997	0.506	0.313	1	0.001	0.001	0.006	0.791	0.244	0.416
		Residuals	85	0.110	0.001	0.600				85	0.109	0.001	0.614
		Total	92	0.184						92	0.177
Model 1b	PC1	Off. size	1	0.005	0.005	0.043	4.057	1.158	0.045
		Dev. stage	1	0.000	0.000	0.004	0.360	0.161	0.540
		Residuals	90	0.121	0.001	0.947
		Total	92	0.128
	PC1	Family	6	0.056	0.009	0.434	10.875	3.997	0.001	6	0.050	0.008	0.406	9.951	3.921	0.001
		Dev. stage	1	0.000	0.000	0.004	0.569	0.363	0.439	1	0.001	0.001	0.006	0.909	0.575	0.322
		Residuals	85	0.072	0.001	0.566				85	0.071	0.001	0.578
		Total	92	0.128						92	0.123
	PC2	Off. size	1	0.000	0.000	0.004	0.365	0.171	0.514
		Dev. stage	1	0.000	0.000	0.000	0.013	−1.548	0.933
		Residuals	90	0.029	0.000	0.994
		Total	92	0.030
	PC2	Family	6	0.016	0.003	0.526	15.824	4.698	0.001	6	0.015	0.003	0.512	14.870	4.605	0.001
		Dev. stage	1	0.000	0.000	0.000	0.025	−1.210	0.899	1	0.000	0.000	0.001	0.186	−0.232	0.653
		Residuals	85	0.014	0.000	0.471				85	0.014	0.000	0.488
		Total	92	0.030						92	0.029
Model 2	H & FF	Dev. stage	1	0.001	0.001	0.007	0.658	0.035	0.482
		Egg size	1	0.006	0.006	0.031	2.905	1.579	0.061
		Residuals	90	0.177	0.002	0.962
		Total	92	0.184
Model 3	H	Off. size	1	0.001	0.000	0.006	0.338	−0.763	0.779
		Family	6	0.029	0.005	0.367	3.213	2.914	0.003	6	0.028	0.005	0.368	3.198	2.903	0.002
		Residuals	32	0.047	0.001	0.609				33	0.049	0.001	0.632
		Total	39	0.078						39	0.077
	FF	Family	6	0.052	0.009	0.498	7.591	4.662	0.001	6	0.045	0.008	0.478	7.022	4.490	0.001
		Residuals	46	0.053	0.001	0.502				46	0.049	0.001	0.522
		Total	52	0.105						52	0.094
		Off. size	1	0.010	0.010	0.099	5.630	2.325	0.008
		Residuals	51	0.094	0.002	0.901
		Total	52	0.105
Model 4	H	Egg Size	1	0.000	0.000	0.002	0.083	−2.322	0.993
		Residuals	38	0.078	0.002	0.998
		Total	39	0.078
	FF	Egg size	1	0.010	0.010	0.096	5.391	2.212	0.014
		Residuals	51	0.095	0.002	0.904
		Total	52	0.105

Significant effects are indicated in bold. Dev. stages Developmental stages; Off. Size Offspring size; Egg size Mean egg size of each female; Df Degrees of freedom; SS Sum of squares; MS Mean square; R² R-square; F F-value; Z Z-value; and P P-value of the significance of variables on influencing shape

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