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Vegetation is an assemblage of plant species and the ground cover they provide. [2] It is a general term, without specific reference to particular taxa , life forms, structure, spatial extent, or any other specific botanical or geographic characteristics.
An evergreen forest is a forest made up of evergreen trees. They occur across a wide range of climatic zones, and include trees such as conifers and holly in cold climates, eucalyptus, live oak, acacias, magnolia, and banksia in more temperate zones, and rainforest trees in tropical zones.
Much of the extraordinary abundance of Guinean and Sahelian savannas has been eliminated, although the large-scale migrations of Ugandan Kob still occur in the savannas in the Sudd region. [1] The Sudan type of climate is characterized by an alternating hot and rainy season, and a cool and dry season.
The word "tropical" can specifically refer to certain kinds of weather, rather than to the geographic region; these usages ought not be confused. The Earth's axial tilt is currently around 23.4° , and therefore so are the latitudes of the tropical circles , marking the boundary of the tropics: specifically, ±23°26′09.7″ (or 23.43603°).
It is located in equatorial latitudes to no more than 5°S and 5°N of equator. It is almost exclusive of Ecuadorian-Colombian Andes, located from 1500 m altitude. It consists of tropical variation of oceanic mediterranean climate Csb. Common vegetation is the highland wooded savanna.
35% [2] The East African montane forests is a montane tropical moist forest ecoregion of eastern Africa . The ecoregion comprises several separate areas above 2000 meters in the mountains of South Sudan , Uganda , Kenya , and Tanzania .
The plants and animals that live in grasslands are connected through an unlimited web of interactions. But the removal of key species—such as buffalo and prairie dogs within the American West—and introduction of invasive species , like cane toads in northern Australia, have disrupted the balance in these ecosystems and damaged a number of ...
Tundra vegetation is composed of dwarf shrubs, sedges, grasses, mosses, and lichens. Scattered trees grow in some tundra regions. The ecotone (or ecological boundary region) between the tundra and the forest is known as the tree line or timberline. The tundra soil is rich in nitrogen and phosphorus. [2]