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The Rift Valley lakes are a group of lakes in the East African Rift that runs north-south through the eastern side of the African continent from Ethiopia in the north to Malawi in the south. These lakes include some of the oldest, largest, and deepest lakes in the world. Many are freshwater ecoregions of great biodiversity, while others are alkaline "soda lakes" supporting highly specialised organisms. The Rift Valley lakes are well known for the evolution of at least 800 cichlid fish species that live in their waters. More species are expected to be discovered. The World Wildlife Fund has designated these lakes as one of its Global 200 priority ecoregions for conservation. In this article, the major lakes are listed, generally in order from north to south, and more detailed articles on each lake can be accessed through the linked names. ==Geology== The East African Rift came into being approximately 40 million years ago as the African tectonic plate began to split. Lakes such as Lake Malawi and Lake Tanganyika have formed in the various valleys of the rift zone, including the huge Lake Victoria. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rift Valley lakes」の詳細全文を読む スポンサード リンク
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