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Fig. 5


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Manly's selection ratios wi for three size classes of salmonid fish in otter diet at three salmonid streams (Y: Ysper; O: Ois; P: Piesting) for relative frequency of occurrence (a) and relative biomass (b). Values above the dotted line indicate a preference, while values below indicate an avoidance. Error bars represent 95% confidence interval.

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