Dispersion Patterns Of The Helminth Parasites

The frequency patterns for the parasites of the two salmonid species and the variance/mean ratios and the dispersion indices (Table 6) indicate that all the parasite populations have strongly clumped, aggregated, overdispersed or contagious distributions. However, it is noteworthy that the values for the

Table 6 The variance/mean ratios and the dispersion indices (/D = S1 (n - 1 )/x) for the parasites of the brown trout and salmon parr

Parasite

Brown trout

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