Savanna

Savanna is a type of biome characterized by a grassy ground layer and a distinct upper layer of trees. Savannas are found in many parts of the world, including Africa, South America, Australia, and India. They are typically located in regions with a warm climate and a distinct wet and dry season.

Characteristics

Savannas are characterized by their two-layered vegetation structure. The ground layer is dominated by grasses and herbs, while the upper layer consists of scattered trees. The tree layer is often sparse, allowing sunlight to reach the ground and support the growth of grasses.

The climate in savannas is typically warm year-round, with a distinct wet season and dry season. The wet season is characterized by heavy rainfall, while the dry season is characterized by drought. This seasonal variation in rainfall is a key factor in shaping the vegetation structure of savannas.

Biodiversity

Savannas are home to a diverse range of plant and animal species. Many large mammals, such as elephants, giraffes, and lions, are adapted to the savanna environment. Savannas are also important habitats for birds, reptiles, and insects.

Threats and conservation

Savannas face a number of threats, including deforestation, climate change, and overgrazing by livestock. Conservation efforts are aimed at protecting savannas and their biodiversity from these threats.

See also

• Grassland
• Tropical rainforest
• Desert
• Biome

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Savanna

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