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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.
Miombo woodland is a tropical and subtropical grasslands, savannas, and shrublands biome (in the World Wide Fund for Nature scheme) located in central and southern tropical Africa. It includes three woodland savanna ecoregions (listed below) characterized by the dominant presence of Brachystegia and Julbernardia species of trees, and has a ...
African savannas occur between forest or woodland regions and grassland regions. Flora includes acacia and baobab trees, grass, and low shrubs. Acacia trees lose their leaves in the dry season to conserve moisture, while the baobab stores water in its trunk for the dry season. Many of these savannas are in Africa.
The Zambezian and mopane woodlands is a tropical and subtropical grasslands, savannas, and shrublands ecoregion of southeastern Africa.. The ecoregion is characterized by the mopane tree (Colophospermum mopane), and extends across portions of Botswana, Malawi, Mozambique, Namibia, South Africa, Eswatini, Zambia, and Zimbabwe, including the lower basins of the Zambezi and Limpopo rivers.
Jackalberry trees often grow in riparian forests and on termite mounds, preferring deep alluvial soils, but are not uncommon on sandy soils in savanna. It grows in mutualism with termites , which aerate the soil around its roots but do not eat the living wood; in turn, the tree provides protection for the termites.
Botswana is around 90% covered in savanna, varying from shrub savanna in the southwest in the dry areas to tree savanna consisting of trees and grass in the wetter areas. [1] Even under the hot conditions of the Kalahari Desert, many species survive; in fact the country has more than 2500 species of plants and 650 species of trees. [2]
Climate change and fragmentation: Climate change impacts, such as increased temperatures and altered rainfall patterns, can have adverse effects on the Nigerian lowland forests. [78] Changes in climatic conditions may disrupt the ecological balance and affect the distribution and abundance of plant and animal species. [ 79 ]
The modern, arid Sahara. The Sahara was not a desert during the African humid period. Instead, most of northern Africa was covered by grass, trees, and lakes. The African humid period (AHP; also known by other names) was a climate period in Africa during the late Pleistocene and Holocene geologic epochs, when northern Africa was wetter than today.