Savannah | |
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A savanna or savannah is a mixed woodland-grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.Savannas maintain an open canopy despite a high tree density. It is often believed that savannas feature widely spaced, scattered trees. However, in many savannas, tree densities are higher and trees are more regularly spaced than in forests. The South American savanna types cerrado sensu stricto and cerrado dense typically have densities of trees similar to or higher than that found in South American tropical forests, with savanna ranging from 800–3300 trees per hectare (trees/ha) and adjacent forests with 800–2000 trees/ha.
Waadhoeke | |
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Waadhoeke is a municipality of Friesland in the northern Netherlands. It was established 1 January 2018 and consists of the former municipalities of Franekeradeel, het Bildt, Menameradiel and parts of Littenseradiel, all four of which were dissolved on the same day. The municipality is located in the province of Friesland, in the north of the Netherlands. Waadhoeke is bordered by Harlingen, Terschelling, Ferwerderadiel, Leeuwarden and Súdwest-Fryslân.