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Salter Re, H. J. (1978). Habitat utilization by feral horses in western Alberta. Naturaliste can., 105, 309–321.
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Monfort A, M. N. (1978). Structure et répartition des populations de zèbres dur Parc de l`Akagera (Rwanda). Mammalia, 42, 315–322.
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Stammbach, E. (1978). On Social Differentiation in Groups of Captive Female Hamadryas Baboons. Behaviour, 67(3-4), 322–338.
Abstract: The social differentiation in small groups of captive female hamadryas baboons was examined. Two positions could be distinguished: The highest ranking female, denoted as central individual, monopolized nearly all the presenting, mounting and grooming interactions. The lower ranking females, denoted as peripheral individuals, competed for access to the central female. All dyads of a group were arranged in a rank order according to the amount of sociopositive interaction which they reached within the group. This order of prevalence of dyads was positively correlated with the sum of dominance ranks of the dyad and the mutual attraction as estimated by choice tests. A multiple rank correlation demonstrated that the influence of the sum of ranks and of mutual attraction were nearly independent. If an individual's relationship to the central female had a higher rank of prevalence than that of its rival, it intervened more often and more successfully when the rival tried to interact with the central female. Interventions served to defend rather than to establish relationships. The results are compared with other studies that discuss basic principles governing structuring processes in nonhuman primate groups.
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RYDER OA et al,. (1978). Chromosome banding studies of the equidae. Cytogent Cell Genet, 20, 323–350.
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Iwuala, M. O., & Okpala, I. (1978). Studies on the ectoparasitic fauna of Nigerian livestock I: Types and distribution patterns on hosts'. Bull Anim Health Prod Afr, 26(4), 339–350.
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Sorensen, A. B. (1978). Mathematical Models in Sociology. Annual Review of Sociology, 4(1), 345–371.
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Iwuala, M. O., & Okpala, I. (1978). Studies on the ectoparasitic fauna of Nigerian livestock II: Seasonal infestation rates. Bull Anim Health Prod Afr, 26(4), 351–359.
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von Goldschmidt-Rothschild, V. B., & Tschanz, B. (1978). Soziale Organisation und Verhalten einer Jungtierherde beim Camargue-Pferd. Z. Tierpsychol., 46, 372–400.
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Clayton DA. (1978). Socially facilitated behavior. Q. Rev. Biol., 53, 373.
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Murphy, L. B. (1978). The practical problems of recognizing and measuring fear and exploration behaviour in the domestic fowl. Anim. Behav., 26, Part 2, 422–431.
Abstract: In studying behaviour supposedly motivated by fear or by exploration, consideration should be given to the biological functions of these two systems and to the ways in which the experimental environment may affect the performance of ‘natural’ responses. Extreme caution is needed in comparing the effectiveness of different stimuli and the amounts of fear or exploration represented by different responses. In particular, it should never be assumed when making such comparisons that the relative intensities of different stimuli and responses are constant.
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