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14-644: There are concerns about changes in the river flow, economy and ecology due to upstream dams, the largest at present being the Tiga Dam in Kano State , with plans being discussed for the Kafin Zaki Dam in Bauchi State . The River Yobe provides a means of subsistence for hundreds of thousands of people who work in a variety of commercial and agricultural endeavours along its almost 200 km length in

28-528: A river in Niger is a stub . You can help Misplaced Pages by expanding it . This Borno State , Nigeria location article is a stub . You can help Misplaced Pages by expanding it . This article related to a river in Nigeria is a stub . You can help Misplaced Pages by expanding it . Tiga Dam 11°26′14″N 8°24′9″E  /  11.43722°N 8.40250°E  / 11.43722; 8.40250 The Tiga Dam

42-664: Is a community in Yobe State in northeastern Nigeria , on the Yobe River a few miles below the convergence of the Hadejia River and the Jama'are River . Average elevation is about 299 m. The population in 2006 was about 125,000. The hottest months are March and April with temperature ranges of 38-40 Celsius. In the rainy season, June–September, temperatures fall to 23-28 Celsius, with rainfall of 500 to 1000mm. Gashua

56-791: Is located in southern part of Kano State in the Northwest of Nigeria , constructed in 1971–1974. It is a major reservoir on the Kano River , the main tributary of the Hadejia River . The dam was built during the administration of Governor Audu Bako in an attempt to improve food security through irrigation projects. The dam was built during the administration of Governor Audu Bako in an attempt to respond threat of recurrent drought and to improve food security through irrigation projects. The dam covers an area of 178 square kilometres (69 sq mi) with maximum capacity of nearly 2,000,000,000 cubic metres (7.1 × 10  cu ft). Water from

70-733: Is one of the largest and most developed towns in Yobe State. Since 1976, it has been headquarters of the Bade Local Government Area . The town lies near the Nguru-Gashua Wetlands , an economically and ecologically important ecological system. The town is the location of the court of Mai Bade, the Emir of Bade . The Bade language is spoken in Gashua and in an area fanning out east and south of Gashua. Bade

84-612: The Tiga and Challawa Dams had caused intense poverty, increased desert encroachment, migration and conflicts between arable farmers and herdsmen. He noted that the Yobe River no longer flows into Lake Chad . It is estimated that Lake Chad will dry up completely within 40 years. More than 30 million people derive their livelihood from the Lake Chad Basin through fishing, raising live stock and farming. A study group to examine

98-658: The cycle, reducing fish catches and harvests of other wetland products. In August 2009, Senator Ahmed Ibrahim Lawan of Yobe North, Chairman of the Senate Committee on Public Accounts, stated that the Tiga Dam had reduced water flow in the Kano River by about 50%. The senator was speaking in opposition to the proposed Kafin Zaki Dam on the Jama'are River , the other main tributary of the Yobe River . He said

112-582: The dam supplies the Kano River Irrigation Project as well as Kano City. Several studies have shown that the dam has delivered negative economic value when its effect on downstream communities was taken into account. On completion of the dam the river flow downstream at Gashua in Yobe State fell by about 100,000,000 cubic metres (3.5 × 10  cu ft) per year due to upstream irrigation and by more than 50,000,000 cubic metres (1.8 × 10  cu ft) due to evaporation from

126-739: The dam was closed for repairs as part of Transforming Irrigation Management in Nigeria (TRIMING), a World Bank funded Project for the rehabilitation of the Kano River Irrigation Schemes (KRIS) and Hadejia Valley Irrigation Scheme (HVIS). The dam was reopended in April 2022 by Hadejia Jama’are River Basin Development Authority (HJRBDA). It was not the first time the dam was being closed. Gashua 12°52′5″N 11°2′47″E  /  12.86806°N 11.04639°E  / 12.86806; 11.04639 Gashua

140-607: The levels of metals analyzed, it can be concluded that concentrations of Zn, Pb, Fe and Mn were all over WHO and Child allowable limits in all inspecting regions. This demonstrates an increment in metal contamination stack, likely due to fertilizer development, agrarian cinders and sewage-effluent run-off squanders. Water tests sourced from this stream may be that as it may be utilized for agrarian and water system purposes but unfit for human utilization. 12°39′06″N 10°38′50″E  /  12.65167°N 10.64722°E  / 12.65167; 10.64722 This article related to

154-467: The problem was established in November 2008, visiting the Tiga dam and other locations. Tiga Dam attracts tourists due to its scenic beauty and the recreational activities it offers. Visitors can enjoy boating, fishing, and picnic spots along the reservoir. The surrounding area is also known for its diverse wildlife and offers opportunities for bird watching and nature photography. On November 1, 2021,

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168-493: The reservoir. A study published in 1999 concluded that farmers in the downstream floodplain had adapted their agriculture, helped by new technology, but the increased level of production might not be sustainable. The Hadejia-Nguru wetlands further downstream have considerable economic and ecological importance. They are home to about one million people living by wet-season rice farming, agriculture at other seasons, fishing and cattle grazing by Fulani people. The dam has damaged

182-594: The state's northern region, which spans seven local government areas (LGAs) from Nguru to Yunusari. Notable towns near the river include Gashua , Geidam , and Damasak in Nigeria , and Diffa in Niger . Some rural dwellers in Yobe, on Saturday, complained that chemicals and waste products had contaminated various water sources in their communities, posing danger to lives Water tests were collected from Yobe River amid

196-700: The stormy and dry seasons at Nguru, Gashua, Azbak, Dumsai and Wachakal. The tests were analyzed for their mineral constituents counting Zn, Pb, Fe, Mn and Mg utilizing the Nuclear Assimilation Spectrometry (AAS) whereas Na, Ca, and K were analyzed utilizing Fire Emanation Spectrometry (FES). The ranges of metal concentrations gotten are; Zn (7.06 mg/dm3 – 13.44 mg/dm3), Pb (0.05 mg/dm3 – 0.135mg/dm3), Fe (0.052 mg/dm3 – 0.53 mg/dm3), Mn (0.102 mg/dm3 – 0.383 mg/dm3), Ca (28.50 mg/dm3 – 87.52 mg/dm3), Mg (7.34 mg/dm3 – 29.4 mg/dm3) , Na (13.95mg/dm3 – 22.98 mg/dm3) and K (40.08mg/dm3 – 78.2mg/dm3 ). From

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