Table 2.

The outcome of principal component analysis based on 28 size‐removed measurements of fish body (only trout from Georgia included). (a) Eigenvalues and % of variance for the PC exceeding one; (b) loadings of individual distances (see Figure 2 for details) on the first seven PC axes

(a)
Component	Initial Eigenvalues
	Total	% of Variance	Cumulative %
1	9.652	35.750	35.750
2	4.379	16.219	51.969
3	2.471	9.152	61.122
4	1.941	7.187	68.309
5	1.845	6.833	75.142
6	1.417	5.247	80.389
7	1.190	4.406	84.795

(b)
Distances	Component
	1	2	3	4	5	6	7
1–2	−0.109	0.893	−0.076	−0.050	0.143	0.186	0.027
1–3	0.150	0.746	0.227	−0.033	−0.204	−0.043	−0.254
3–4	0.511	−0.614	−0.098	0.197	0.464	0.023	−0.104
4–5	0.159	0.427	0.156	−0.086	−0.452	−0.577	0.004
5–6	−0.142	−0.006	0.392	−0.793	0.251	0.019	0.185
6–7	0.606	−0.312	−0.368	−0.021	−0.475	0.175	−0.139
7–8	−0.711	0.190	0.100	0.450	0.178	−0.055	0.242
8–9	−0.602	0.294	0.243	0.267	0.127	−0.063	0.293
9–10	0.280	0.272	−0.586	−0.554	−0.143	0.201	0.205
10–11	0.418	−0.067	0.481	0.294	−0.420	−0.259	0.088
11–12	−0.025	−0.320	0.390	0.259	−0.316	0.611	−0.023
12–13	0.626	−0.069	−0.496	0.086	0.290	−0.386	0.067
13–1	0.075	0.691	0.149	−0.139	0.202	−0.036	−0.547
3–13	0.741	0.442	0.138	0.170	−0.009	−0.036	−0.123
1–8	0.759	−0.234	−0.202	−0.028	0.428	−0.275	−0.026
3–12	0.835	−0.060	−0.075	0.361	0.155	0.021	0.018
4–13	0.923	0.150	0.158	0.079	0.077	−0.070	0.077
4–12	0.669	−0.125	0.506	−0.250	−0.052	−0.178	0.032
4–11	0.894	0.120	0.115	0.238	−0.040	0.108	0.058
5–12	0.764	−0.263	0.380	−0.165	0.217	0.120	0.087
5–11	0.523	−0.445	0.534	−0.292	0.064	0.124	0.150
5–10	0.712	0.500	0.134	0.122	0.046	0.024	0.287
6–11	0.775	0.345	−0.090	0.206	0.096	0.221	0.191
6–10	0.770	0.000	−0.296	−0.004	−0.247	0.231	−0.235
6–9	0.493	0.174	−0.340	−0.132	−0.381	−0.047	0.523
7–10	0.835	0.218	0.095	−0.162	0.080	0.080	−0.184
7–9	−0.071	0.751	0.002	0.040	0.337	0.333	0.154