. Bulletin of the British Ornithologists' Club. Birds. 49 TABLE 2 [ Orn. CI. 1986 106(2)] Univariate analysis of inter-locality variation in Dunlin Calidris alpina. Results of Anova. All F-ratios are significant at P< for the degrees of freedom () shown. A high coefficient of intra-class correlation indicates that the character is important in interpreting inter-locality variation. Character Sex F-ratio Coefficient of intra-class correlation/% Wing-length M 91 16,512 75 F 58 16,352 73 Tarsus-length M 89 16,521 74 F 48 16,365 69 Tarsus-width M 14 16,519 29 F 8 16,363
. Bulletin of the British Ornithologists' Club. Birds. 49 TABLE 2 [ Orn. CI. 1986 106(2)] Univariate analysis of inter-locality variation in Dunlin Calidris alpina. Results of Anova. All F-ratios are significant at P< for the degrees of freedom () shown. A high coefficient of intra-class correlation indicates that the character is important in interpreting inter-locality variation. Character Sex F-ratio Coefficient of intra-class correlation/% Wing-length M 91 16,512 75 F 58 16,352 73 Tarsus-length M 89 16,521 74 F 48 16,365 69 Tarsus-width M 14 16,519 29 F 8 16,363 25 Bill-length M 130 16,508 81 F 85 16,355 80 Tail-length M 15 16,515 32 F 13 16,360 37 White vane M 19 16,506 62 F 35 16,353 62 samples are arranged in order of means and when subsets are omitted whose members are all contained in a larger subset. Maps of variation in the other characters can be inspected in Greenwood (1979b).. 1 X s 1 51 o: 22 10 8 14 9 12 3 21 2 69 ® 6 59 7 11 10 23 11 13 » 12 12 13 15 • 15 85 16 9 • 17 37 14 62 Figure 2. Inter-locality variation of bill-length of male Dunlin Calidris alpina. Means (x) are ranked in increasing order of magnitude, along with locality number (1), standard deviation (s), and sample size (n). Lines to the right of these data each represent a maximal non-significant subset resulting from comparisons using SS-STP (for further explanation see text). Occasional bars separating localities on the map indicate those adjacent localities which are significantly different mensuraly from one another. The populations with the largest means for bill-length are represented by solid circles, the smallest by open circles. The intervals were obtained by dividing the range of means into 5 equal parts. For all the morphological characters, the correlations b
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