Category Archives: international

Report on the volunteering weekend at Puttenahalli Lake

Posted March 2013
With some 20 volunteers responding to our call to remove the drying aquatic weed from the lake bed, it was a most satisfying morning today! READ MORE
Posted in compost, hand-pulling, international, physical control, salvinia molesta | Comments Off on Report on the volunteering weekend at Puttenahalli Lake

Choking water weed found

Posted February 2013
AN environmental group has found what is thought to be the first reported growth of the aquatic weed Limnobium laevigatum at the Liege Street wetlands. READ MORE
Posted in Amazon frogbit, aquarium plant, frogbit, international, spongeplant | Comments Off on Choking water weed found

UK bans sale of five invasive non-native aquatic plants

Posted February 2013
Five species of invasive non-native aquatic plants are to be banned from sale, the UK government has announced. The plants to be banned from April 2014 are water fern, parrot’s feather, floating pennywort, water primrose and Australian swamp stonecrop.READ MORE
Posted in Australian swamp stonecrop, floating pennywort, international, legislation, parrot’s feather, water fern, water primrose | Comments Off on UK bans sale of five invasive non-native aquatic plants

Ridding the Rubicon of rice grass

Posted February 2013

Volunteers battle the aquatic invader with herbicide and buckets and trowels (Rose Grant)

Volunteers battle the aquatic invader with herbicide and buckets and trowels (Rose Grant)

Source: ABC Online (Australia) 01/23/2013

Tasmania’s worst aquatic weed, rice grass, is making some of the state’s great beaches look less than their best. READ MORE
Posted in chemical control, estuary, international, manual control | Comments Off on Ridding the Rubicon of rice grass

Warning issued on sale of hyacinths

Posted January 2013
“Water hyacinth is still occasionally found in garden ponds and may look attractive but it is an aquatic weed that represents a major threat to our environment.” Department of Agriculture and Food (DAF) technical officer Brett Scourse said a report had been received recently of water hyacinths being sold by the roadside in the region.
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A machine for weeding out a persistent problem in water bodies

Posted January 2013
The machine in action: Photo: M.J. Prabu

The machine in action: Photo: M.J. Prabu

Every year, hyacinth grows wildly in water bodies and hampers the growth of the fish. The cost of removing the weeds is the responsibility of the locals, and about 50 people labour intensively for 2-3 months to remove the weeds. The cost of labour alone comes to Rs. 3 lakh rupees annually.
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Posted in fishing, international, mechanical control, water hyacinth | Comments Off on A machine for weeding out a persistent problem in water bodies

DC urges joint efforts to control water weeds

Posted January 2013
BUKOBA District Commissioner (DC) Zipporah Pangani, has urged residents of around Lake Victoria to join hands to control growth of water hyacinths that threaten aquatic life circle.She made the appeal on Friday while launching the ‘MV Gugumaji’ boat at Nyamkazi area, in Bukoba Municipality. Construction cost for the boat amounted to 43.6m/-. She commended members of the Beach Management Unit (BMU) at Nyamkazi who joined hands to start the project with support from Lake Victoria Environmental Management project (LVEMP ll ).
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Posted in international, lake victoria, mechanical control, water hyacinth | Comments Off on DC urges joint efforts to control water weeds

Gore District Council seeks more information on herbicide

Posted January 2013
The Gore District Council is seeking more information about an application by the Ministry of Primary Industries to use the aquatic herbicide Endothall in Southland. The ministry earlier this year sought resource consent for a 30-year approval to use Endothall to eradicate aquatic pests Hydrilla, Lagarosiphon and Hornwort, should they become a problem in Southland’s waters.
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Posted in aquatic herbicides, endothal, hornwort, hydrilla, international, lagarosiphon | Comments Off on Gore District Council seeks more information on herbicide

Lake hidden beneath a blanket of weeds

Posted January 2013
Photo Vicki Wood / Caboolture News

Photo Vicki Wood / Caboolture News

Source: Caboolture News (Australia) 12/19/2012

WATCHING birds walk on water has become an all too regular sight for Upper Caboolture resident Geoff Clayson. Only the birds aren’t actually walking on water, they’re making their way across a thick blanket of weed covering the lake which backs onto Mr Clayson’s property. Caboolture News first visited Mr Clayson’s property in June 2011 where glimpses of the lake could be seen beneath a sea of two pest weeds: Salvinia and water lettuce. Fast forward 18 months and the weed is still making its presence felt.
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Attempt today to eradicate aquatic weed on NSW north coast

Posted January 2013
A highly invasive and destructive aquatic weed has been found on a property on the NSW North Coast for the first time in 15 years. The Senegal tea plant is a declared weed in most states, except Victoria and the Northern Territory, and is on the National Alert List for Environmental Weeds. The Mullumbimby landholder thought the noxious plant could have been another aquatic pest, the alligator weed, because its flower looks similar.
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Posted in international, senegal tea plant | Comments Off on Attempt today to eradicate aquatic weed on NSW north coast
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