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Fig. 2 | Frontiers in Zoology

Fig. 2

From: Population variation alters aggression-associated oxytocin and vasopressin expressions in brains of Brandt’s voles in field conditions

Fig. 2

Effects of population density in field enclosures (a, b) on frequency of aggression or chasing behaviors between voles. For (a) and (b), C, control group; F, food supplementation; LG, light grazing; MG, moderate grazing; LP, light precipitation supplementation; MP, moderate precipitation supplementation. For (c) and (d), Low: low density populations; Moderate: moderate density populations; High: high density populations. Data are shown as mean ± SE. Asterisks indicate significant differences between density groups (*P < 0.05; **P < 0.01; ***P < 0.001)

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Frontiers in Zoology

ISSN: 1742-9994