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Lake Nicaragua

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Title: Lake Nicaragua  
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Subject: Nicaragua, San Juan River (Nicaragua), Nicaragua Canal, List of freshwater ecoregions of Latin America and the Caribbean, Index of Nicaragua-related articles
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Lake Nicaragua

Lake Nicaragua
Lake Nicaragua
Location Nicaragua
Type Rift lake
Primary outflows San Juan River
Catchment area 41,600 km2 (16,062 sq mi)[1]
Basin countries Nicaragua, Costa Rica
Max. length 161 km (100 mi)
Max. width 71 km (44 mi)
Surface area 8,264 km2 (3,191 sq mi)
Max. depth 26 m (85 ft)
Water volume 108 km3 (26 cu mi)
Surface elevation 32.7 m
Islands 400+ (including Islets of Granada, Ometepe, Solentiname Islands, and Zapatera)
Settlements San Jorge

Lake Nicaragua or Cocibolca or Granada (Spanish: Lago de Nicaragua, Lago Cocibolca, Mar Dulce, Gran Lago, Gran Lago Dulce, or Lago de Granada) is a freshwater lake in Nicaragua. Of tectoniGranada Nicaragua |accessdate=2009-01-14}} Before construction of the Panama Canal, a stagecoach line owned by Cornelius Vanderbilt's Accessory Transit Company connected the lake with the Pacific across the low hills of the narrow Isthmus of Rivas. Plans were made to take advantage of this route to build an interoceanic canal, the Nicaragua Canal, but the Panama Canal was built instead. In order to quell competition with the Panama Canal, the U.S. secured all rights to a canal along this route in the Bryan-Chamorro Treaty of 1916. However, since this treaty was mutually rescinded by the United States and Nicaragua in 1970, the idea of another canal in Nicaragua still periodically resurfaces, such as the Ecocanal proposal. In 2014, the government of Nicaragua offered a 50-year concession to the Hong Kong Nicaragua Canal Development Investment Co. (HKND) to build a canal across Nicaragua at a cost of US$40 billion, with construction beginning in December 2014 and completing in 2019.[3] the 19th largest lake in the world (by area) and the 9th largest in the Americas, slightly smaller than Lake Titicaca. With an elevation of 32.7 metres (107 ft) above sea level, the lake reaches a depth of 26 metres (85 ft). It is intermittently joined by the Tipitapa River to Lake Managua.

The lake drains to the Caribbean Sea via the San Juan River, historically making the lakeside city of Granada, Nicaragua, an Atlantic port although Granada (as well as the entire lake) is closer to the Pacific ocean geographically. The Pacific is near enough to be seen from the mountains of Ometepe (an island in the lake). The lake has a history of Caribbean pirates who assaulted Granada on three occasions.[4] Protests against the ecological and social effects of the canal as well as questions about financing have led to doubts about the project.[5]

Lake ecology

Lake Nicaragua, despite being a freshwater lake, has sawfish, tarpon, and sharks.[2] Initially, scientists thought the sharks in the lake belonged to an endemic species, the Lake Nicaragua Shark (Carcharhinus nicaraguensis). In 1961, following comparisons of specimens, the Lake Nicaragua Shark was synonymized with the widespread Bull shark (C. leucas),[6] a species also known for entering freshwater elsewhere around the world.[7] It had been presumed that the sharks were trapped within the lake, but this was found to be incorrect in the late 1960s, when it was discovered that they were able to jump along the rapids of the San Juan River (which connects Lake Nicaragua and the Caribbean Sea), almost like salmon.[8] As evidence of these movements, bull sharks tagged inside the lake have later been caught in the open ocean (and vice versa), with some taking as little as 7–11 days to complete the journey.[6] Numerous other species of fish live in the lake, including at lces and the Environment|Nicaraguan Institute of Natural Resources and the Environment (IRENA)]] conducted an environmental assessment study and found that half of the water sources sampled were seriously polluted by sewage. It was found that 32 tons (70,000 pounds) of raw sewage were being released into Lake Nicaragua daily. Industry located along the lake's shore had been dumping effluent for an extended period of time. Pennwalt Chemical Corporation was found to be the worst polluter. Nicaragua's economic situation has hampered the building of treatment facilities nationwide (see: Water supply and sanitation in Nicaragua).

The country's worst drought in 32 years (as of August 2014) is taking its toll on the lake, the Nicaraguan government has recommended citizens grow and eat iguanas over chickens to reduce water consumption,[9] yet plans for the Nicaragua canal through the lake are still unhampered, the lake is the nation's largest source of freshwater, in which the water quality during co

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