Tuesday, July 2, 2019

Video - Invasive foreign plant species choking rivers and dams in Nigeria

The water hyacinth is a foreign weed introduced in the early 1990s to Nigeria, Since then it has spread rapidly to two-thirds of the country's rivers. It has caused immense damage to boatmen’s and fishermen’s livelihoods as it blocks waterways and sunlight to aquatic life. But despite its bad reputation, some scientists have discovered other ways it can be put to good use.

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