A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient … 查看更多內容

The savannas of tropical America comprises broadleaved trees such as Curatella, Byrsonima, and Bowdichia, with grasses such as 查看更多內容

It is estimated that less than three percent of savanna ecosystems can be classified as highly intact. Reasons for savanna degradation are manifold, as outlined below. 查看更多內容

• Pampas
• Pasture
• Prairie
• Rangeland
• Steppe
• Veld 查看更多內容

The word derives from the Spanish sabana, which is itself a loanword from Taíno, which means "treeless grassland" in the West Indies. The letter b in Spanish, when positioned in the … 查看更多內容

Many grassy landscapes and mixed communities of trees, shrubs, and grasses were described as savanna before the middle of the 19th century, when the concept of a tropical savanna climate became established. The Köppen climate classification system … 查看更多內容

A savanna can simply be distinguished by the open savannah, where grass prevails and trees are rare; and the wooded savannah, … 查看更多內容