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Lake Nakuru

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Lake Nakuru

Lake Nakuru
View of lake from Babboon Cliff
Location Central Kenya
Coordinates
Type alkaline lake
Basin countries Kenya
Surface area 5 to 45 km²

Lake Nakuru is one of the Rift Valley soda lakes at an elevation of 1754 m above sea level. It lies to the south of Nakuru, in the rift valley of Kenya and is protected by Lake Nakuru National Park.

The lake's abundance of algae attracts the vast quantity of flamingos that famously line the shore. Other birds also flourish in the area, as do warthogs, baboons and other large mammals. Black and white rhinos have also been introduced.

The lake's level dropped dramatically in the early 1990s but has since largely recovered. In 2013, the lake received an alarming increase in the water levels that led to the migration of flamingos to Lake Bogoria in search for food supply. .[1]

Nakuru means "Dust or Dusty Place" in the Maasai language. Lake Nakuru National Park, close to Nakuru town, was established in 1961. It started off small, only encompassing the famous lake and the surrounding mountainous vicinity, but has since been extended to include a large part of the savannahs.

Lake Nakuru is protected under the Ramsar Convention on wetlands.[2]

Lake Nakuru National Park

National Park entrance
Flamingos feeding at Lake Nakuru

Lake Nakuru National Park (188 km², 73 mi²), created in 1961 around Lake Nakuru, near Nakuru Town. It is best known for its thousands, sometimes millions of flamingos nesting along the shores. The surface of the shallow lake is often hardly recognizable due to the continually shifting mass of pink. The number of flamingos on the lake varies with water and food conditions and the best vantage point is from Baboon Cliff. Also of interest is an area of 188 km (116 mi) around the lake fenced off as a sanctuary to protect Rothschild giraffes, black rhinos and white rhinos.

The park has recently been enlarged partly to provide the sanctuary for the black rhino. This undertaking has necessitated a fence - to keep out poachers rather than to restrict the movement of wildlife. The park marches for 12.1 km on the south eastern boundary with the Soysambu conservancy which represents a possible future expansion of habitat for the rhinos and the only remaining wildlife corridor to Lake Naivasha.

The park now (2009) has more than 25 black rhinoceros, one of the largest concentrations in the country, plus around 70 white rhinos. There are also a number of Rothschild's giraffe, again relocated for safety from western Kenya beginning in 1977. Waterbuck are very common and both the Kenyan species are found here. Among the predators are lion, cheetah and leopard, the latter being seen much more frequently in recent times. The park also has large sized pythons that inhabit the dense woodlands, and can often be seen crossing the roads or dangling from trees.

As well as flamingos, there are myriad other bird species that inhabit the lake and the area surrounding it, such as African fish eagle, goliath heron, hamerkop, pied kingfisher and verreaux eagle.

Lake Nakuru panoramic from Baboon Cliff


Habitat and Wildlife

Rhinos

Lake Nakuru, a small (it varies from 5 to 45 square kilometers) shallow alkaline lake on the southern edge of the town of Nakuru lies about 164 kilometers north of Nairobi. It can therefore be visited in a day tour from the capital or more likely as part of a circuit taking in the Masai Mara or Lake Baringo and east to Samburu. The lake is world famous as the location of the greatest bird spectacle on earth - myriads of fuchsia pink flamingos whose numbers are legion, often more than a million - or even two million. They feed on the abundant algae, which thrives in the warm waters. Scientists reckon that the flamingo population at Nakuru consumes about 250,000 kg of algae per hectare of surface area per year.

There are two types of flamingo species: the Lesser flamingo can be distinguished by its deep red carmine bill and pink plumage unlike the greater, which has a bill with a black tip. The Lesser flamingos are ones that are commonly pictured in documentaries mainly because they are large in number. The number of Flamingos has been decreasing recently, perhaps due to too much tourism, pollution resulting from industries waterworks nearby who dump waste into the waters or simply because of changes in water quality which makes the lake temporarily inhospitable. Usually, the lake recedes during the dry season and floods during the wet season.

In recent years, there have been wide variations between the dry and wet seasons' water levels. It is suspected that this is caused by increasing watershed land conversion to intensive crop production and urbanization, both which reduce the capacity of soils to absorb water, recharge ground water and thus increase seasonal flooding. Pollution and drought destroy the flamingos' food, Cyanobacteria, or blue-green algae, and causing them to migrate to the nearby Lakes, more recently lakes Elmenteita, Simbi Nyaima and Bogoria. Local climate changes have also been hypothesized to contribute to the changing environmental conditions in the lakes catchment. Recent media reports indicate increasing concern among stakeholders, as mass flamingo migrations and deaths could spell doom to the tourism industry.

The flamingos feed on algae, created from their droppings mixing in the warm alkaline waters, and plankton. But flamingo are not the only avian attraction, also present are two large fish eating birds, pelicans and cormorants. Despite the tepid and alkaline waters, a diminutive fish, Alcolapia grahami has flourished after being introduced in the early 1960s. The lake is rich in other bird life. There are over 400 resident species on the lake and in the surrounding park. Thousands of both little grebes and white winged black terns are frequently seen as are stilts, avocets, ducks, and in the European winter the migrant waders.

Zooplankton: The monogonont rotifer species Brachionus sp. Austria (belonging to the Brachionus plicatilis cryptic species complex) occurs in the lake.

Flamingos on Lake Nakuru


See also

References

  1. ^ "Lake Nakuru water levels rise as flamingoes move to Lake Bogoria". 
  2. ^ "Small Grants Fund project on ecotourism potential at Kenya's Lake Nakuru". Ramsar. 2006-03-28. Retrieved 2009-11-07. 

External links

  • National Geographic – "Mysterious Kenya Flamingo Die-Offs Tied to Toxins, Study Says" (November 2002)
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