Category Archives: water hyacinth

Community pulls water-thirsty invasive weeds from Ethiopia’s Lake Tana

Posted September 2017

The free-floating, water-thirsty perennial can grow up to three feet tall and is swallowing the northeast shores of Lake Tana, impacting both aquatic …

Read more at: https://news.mongabay.com/2017/09/community-pulls-water-thirsty-invasive-weeds-from-ethiopias-lake-tana/

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DBW Begins Herbicide Treatment in the Delta for Water Hyacinth and Egeria Densa

Posted February 2017

SACRAMENTO, Calif. – The Division of Boating and Waterways (DBW) will begin herbicide treatment of water hyacinth and Egeria densa on March 1 in various areas of the Sacramento-San Joaquin Delta (Delta) . . .

READ MORE: http://eastcountytoday.net/dbw-begins-herbicide-treatment-in-the-delta-for-water-hyacinth-and-egeria-densa/

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Green hazard spreads tentacles in Kochi

Posted January 2014
Source: The Hindu (India) 01/08/14
Water hyacinths choke the Poorna river at Tripunithura. Photo: Vipin Chandran

Water hyacinths choke the Poorna river at Tripunithura. Photo: Vipin Chandran

The prospect of water hyacinth choking major canals and freshwater bodies in the city to death looms large as the authorities have failed to come up with proposals for controlling the weed. READ MORE

 

 

 

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Mississippi River water hyacinth, water lettuce and parrot feather, oh my!

Posted January 2014
In recent years, three invasive species of aquatic plants have been found in Pool 5 of
the Mississippi River near Buffalo City, WI. Water hyacinth and water lettuce were first found in 2011 in Pool 5; in 2012 parrot feather was found in an isolated bay of Pool 5. Thousands of water lettuce and water hyacinth plants were found in Pool 5 in 2011 and by 2012 the populations exploded into the tens of thousands.
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Posted in Eichhornia crassipes, Myriophyllum aquaticum, parrot’s feather, Pistia stratiotes, water hyacinth, water lettuce | Comments Off on Mississippi River water hyacinth, water lettuce and parrot feather, oh my!

Crews work to control invasive Lake Houston aquatic vegetation

Posted December 2013
Each year during the growing season, aquatic vegetation that appears on the surface of the lake is treated with State of Texas-approved herbicides. READ MORE
Posted in chemical control, common salvinia, Eichhornia crassipes, Pistia stratiotes, Salvinia minima, water hyacinth, water lettuce | Comments Off on Crews work to control invasive Lake Houston aquatic vegetation

Water weed threatening rivers, farms

Posted June 2013
It looks spectacular and unique, but water hyacinth is one of the world’s worst aquatic species. It is the dangerous potential of the species that has prompted authorities in both Victoria and NSW to warn people about it. There is particular concern for the Yarrawonga and Corowa regions and especially Lake Mulwala. READ MORE
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Weed woes

Posted June 2013
The water hyacinth sent the British into a tizzy. Alarmed by the presence of this “pest” in tanks and ponds, they decided to have it uprooted. It is only after funds were sanctioned for the purpose did they realise that the task at hand was daunting.
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Aquatic weed harvester clearing lake at Bobby Hicks Park

Posted June 2013
The city’s newly acquired aquatic weed harvester has been put to work clearing out the lake at Bobby Hicks Park. The machine’s manufacturer delivered the harvester, which cost more than $100,000, on May 7.
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Water hyacinth threatens to choke L. Victoria again

Posted May 2013
About 6,300 tonnes of the water hyacinth (Eichhornia crassipes) has been invading Lake Victoria per day, for about three years now. The weed is threatening to choke the lake like it did in the 1990s.  READ MORE
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No fishing on Henderson Lake as state applies herbicide for hyacinths throughout March

Posted March 2013
LAKE HENDERSON–The Louisiana Department of Wildlife and Fisheries has scheduled a series of large-scale herbicide applications for Henderson Lake as a preventative measure to address a chronic issue with water hyacinth.  READ MORE
Posted in chemical control, herbicide, maintenance control, water hyacinth | Comments Off on No fishing on Henderson Lake as state applies herbicide for hyacinths throughout March
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