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Figure 6 | BMC Ecology

Figure 6

From: Benefits of migration in a partially-migratory tropical ungulate

Figure 6

Individual variations in body condition of impalas in relation to their dry season range and their migration strategy. The mean proportion of impalas scored as ‘poor’ is presented ± 95% CI for the year of higher (2002) and lower (2003) population density. The best supported GLMM model of the variation of body condition among impalas present in the north or the south range during the dry season (AIC = 184.01; variance estimation of the individual random effect = 0.74; Pearson χ2 goodness-of-fit test = 110.1, ddl = 151, P = 0.99) revealed a significant main effects of range and year. The best supported GLMM model among impalas that used distinct migration strategies (partial data set, AIC = 157.1; variance estimation of the individual random effect = 0.76; Pearson χ2 goodness-of-fit test = 95.11, ddl = 128, P = 0.98) revealed a significant main effects of migration strategy and year (see Results).

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