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... and brings pest plant downstream
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LAST week’s heavy rain brought invasive water hyacinth downstream in the Huangpu River.
Authorities said 42,204 tons of water hyacinth had been removed from the river by Monday.
The heaviest rainfall of the past 52 years early last week prompted the authorities to take flood discharge measures upstream in the Huangpu River, bringing water hyacinth downstream to flourish along the river’s middle and lower reaches.
Last Thursday, some 4,300 tons of water hyacinth was taken from water, the largest quantity removed in a day this year.
Water hyacinth is a South American free-floating perennial which can quickly clog up waterways.
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