Warm season turfgrasses as potential candidates to phytoremediate arsenic pollutants at Obuasi Goldmine in Ghana
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Ghana, originally known as the Gold Coast prior to March 6, 1957, has generally had a very long history of gold mining dating back over 1000 years. Gold is one of the largest contributors to the economy, including cocoa (Gavin, 2002), accounting for about 38% of total merchandise and 95% of total mineral exports as well as about 80% of all mineral revenue. Arsenic enters the environment from a variety of sources associated with gold mining, including waste soil and rocks, tailings, atmospheric emissions from ore roasting, and bacterially enhanced leaching. The combination of opencast mining by ...