The Serengeti ecosystem is a geographical region located in north-western Tanzania and extends to south-western Kenya between latitudes 1 and 3 S and longitudes 34 and 36 E. It spans some 30,000 km2 (12,000 sq mi).
The Serengeti hosts the largest migration in the world, which is one of the ten natural travel wonders of the world.
The region contains several national parks and game reserves. Serengeti is derived from the Maasai language, Maa; specifically, "Serengit" meaning "Endless Plains".
Approximately 70 larger mammal and some 500 avifauna species are found there. This high diversity in terms of species is a function of diverse habitats ranging from riverine forests, swamps, kopjes, grasslands and woodlands. Blue Wildebeests, gazelles, zebras and buffalos are some of the commonly found large mammals in the region.
Currently there is controversy surrounding a proposed road that is to be built through the Serengeti in Tanzania.
Much of the Serengeti was known to outsiders as Maasailand. The Maasai were known as fierce warriors, and lived alongside most wild animals with an aversion to eating game and birds, subsisting exclusively on their cattle. Their strength and reputation kept the newly arrived Europeans from exploiting the animals and resources of most of their land. A rinderpest epidemic and drought during the 1890s greatly reduced the numbers of both Maasai and animal populations. Poaching and the absence of fires, which had been the result of human activity, set the stage for the development of dense woodlands and thickets over the next 30–50 years. Tsetse fly populations now prevented any significant human settlement in the area.
Fire, elephants, and wildebeest were influential in determining the current character of the Serengeti. By the 1960s, as human populations increased, fire, either intentionally set by the Maasai to increase area available for pasture, or accidentally, scorched new tree seedlings. Heavy rainfall encouraged the growth of grass, which served as fuel for the fires during the following dry seasons. Older Acacias, which live only 60 to 70 years, began to die. Initially elephants, which feed on both young and old trees, had been blamed for the shrinking woodlands. But experiments showed that other factors were more important. Meanwhile, elephant populations were reduced from 2,460 in 1970 to 467 in 1986 by poaching.
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