highly significantp<0.01
The average pairwise inter-laboratory difference for δ 15 N col values was 0.4‰ ( Table 3 , below diagonal), with highly significant differences among laboratories (ANOVA, F 19,76 = 19.3, p<0.01).
The average pairwise inter-laboratory difference for δ 15 N col values was 0.4‰ ( Table 3 , below diagonal), with highly significant differences among laboratories (ANOVA, F 19,76 = 19.3, p<0.01).