Singapore replaced a 2.7-km concrete canal with a winding river; biodiversity rose 30%

Aug 10, 2026 - 14:30
Singapore replaced a 2.7-km concrete canal with a winding river; biodiversity rose 30%

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Singapore transformed a 2.7-km concrete canal at Bishan-Ang Mo Kio Park into a 3-km meandering river between 2009 and 2011. The project created a flood plain and more varied river habitat. Later research found 26 fish species in the rehabilitated section, including three native species, compared with eight non-native species in an untreated canal section.

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