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Stability in a multi-species assemblage of large herbivores in East Africa

Animal census data from Lake Manyara National Park in northern Tanzania are presented. The data refer to large mammalian herbivores, that is individually heavier than twenty kg, of which the numbers were counted in nine different years between 1959 and 1984. The total biomass of these herbivores was comprised mainly of African buffalo and African elephant. Five functional groups of herbivores were distinguished (buffalo, ” elephant-as-grazer”, ” elephant-as-browser “, “other grazers”, and “other browsers”). The pressures of all these groups

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