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A tree savanna at Tarangire National Park in Tanzania in East Africa A grass savanna at Kruger National Park in South Africa. A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close.
The ecoregion is a mosaic of forest, savanna, and grassland. Semi-evergreen rainforest is found along the rivers that drain northwards into the Congo Basin, with open woodland, savanna, and grassland in the uplands. Rainforest flora is typically Guineo-Congolian species, while the woodland, savanna, and grassland species are mostly Zambezian. [3]
The principal plant communities include Lake Victoria drier peripheral semi-evergreen Guineo-Congolian rain forest, Lake Victoria transitional rain forest, moist Combretum wooded grassland, dry Combretum wooded grassland, Evergreen and semi-evergreen bushland and thicket, Edaphic wooded grassland on drainage-impeded or seasonally flooded soils, and swamp forest.
Forest–savanna mosaic is a transitory ecotone between the tropical moist broadleaf forests of Equatorial Africa and the drier savannas and open woodlands to the north and south of the forest belt. The forest–savanna mosaic consists of drier forests, often gallery forest , interspersed with savannas and open grasslands .
The most intact assemblages currently occur in East African Acacia savannas and Zambezian savannas consisting of mosaics of miombo, mopane, and other habitats. [3] Large-scale migration of tropical savanna herbivores, such as wildebeest ( Connochaetes taurinus ) and zebra ( Equus quagga ), are continuing to decline through habitat alteration ...
Temperate grasslands, savannas, and shrublands are terrestrial biomes defined by the World Wide Fund for Nature. [1] The predominant vegetation in these biomes consists of grass and/or shrubs. The climate is temperate and ranges from semi-arid to semi-humid. The habitat type differs from tropical grasslands in the annual temperature regime and ...
The varying rainfall, topography, and soils within the ecoregion supports several plant communities. In the north and east, Mopane savanna with the trees Colophospermum mopane, Sesamothamnus benguellensis, and S. guerichii, is predominant. The semi-desert and savanna transition community supports a variety of species.
The classification system uses a hierarchy to organise the vegetation types within the nine defined biomes and a tenth azonal group. Bioregions are described within the biomes, and the vegetation types are at the more detailed level, and represent groups of communities with similar biotic and abiotic features.