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| Photo by Hannah Sharpe |
The spraying of herbicides to remove aquatic weeds in Lake Pinehurst resulted in damage to small fish breeding grounds.
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Wednesday, August 22, 2012
Fish Population Struggling in Lake Pinehurst
The spraying of herbicides to remove aquatic weeds in Lake Pinehurst resulted in damage to small fish breeding grounds.
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NPDES litigation floodgates swing open
The first of an expected barrage of legal actions by environmental groups regarding the new pesticide application permits was filed in Massachusetts. The Public Employees for Environmental Responsibility (PEER) asked EPA to investigate whether the Massachusetts Dept. of Public Health (MDPH) violated the Clean Water Act (CWA) when it declared a pest emergency for mosquitos and aerially sprayed more than 400,000 acres in the southeastern part of the state.
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Schumer gets Chautauqua Lake $54,000 for weed battle
U.S. Senator Charles E. Schumer secured commitment from the U.S. Army Corps of Engineers (USACE) to unlock $54,000 in federal funds to combat the invasive species Eurasian milfoil and water chestnut in Chautauqua Lake.
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Carp promising for waterweed control
A Ministry for Primary Industries-funded trial has shown that grass carp (a weed eating fish) in enclosures could be used to eradicate early infestations of aquatic weeds, doing away with the need to release large numbers of fish throughout a lake, and preventing damage to other plant species in the water.
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Govt targets destructive river weeds
The NSW government is launching an offensive against aquatic weeds that it says are damaging rivers in the Hawkesbury-Nepean region.
"The project will tackle some of the most serious and destructive aquatic weeds in the country, including Salvinia, Water Hyacinth, Alligator weed, Senegal Tea plant and Egeria," Ms Hodgkinson said in a statement.
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Thursday, August 9, 2012
Meet Amelia Exotica Floridana
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| Photo: James Mayer |
Amy Richard and her colleagues from the University of Florida bring an exciting approach to environmental education to the 2012 Smithsonian Folklife Festival. Her character, named Amelia exotica floridana, educates students of all ages about invasive plant species through visual and experiential interactions. Amy dresses up in a costume that visually represents the difference between an invasive species monoculture and a diverse habitat of native plants.
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PLANT CAMP 2012 - An invasive plant workshop for teachers only
Congratulations to this year’s PLANT CAMP graduates! It was a really great group of teachers this year.
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An exotic snail may help save endangered snail kite
An exotic apple snail began appearing in central Florida wetlands and flourishing in hydrilla, an exotic aquatic plant found throughout the state. The snail is particularly prevalent in Lake Tohopekaliga, where most of the state’s snail kites are now found. "An abundance of snails popped up and the birds took advantage of them," Kitchens says. "The kite population would be in critical shape if the exotic apple snails hadn’t come along."
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Salvinia Aquatic Ferns Near Destroys East Java Lake
TEMPO Interactive, Jakarta:The water quality of Ranu Pani, a lake which lies at the foot of Mount Semeru in Lumajang, East Java, is steadily deteriorating due to wild vegetation and increased sediments setting in. If neglected, within 20 years, this lake will no longer exist.
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Fishing, Some Boating Banned at Wallace Lake Due to Invasive Plant
A highly invasive aquatic weed has shown up at Wallace Lake in Berea, and Cleveland Metroparks is trying to stop it in its tracks. Hydrilla (Hydrilla verticillata), believed to have come from Africa or Southeast Asia, is often called the "perfect" aquatic weed because of its ability to grow rapidly under just about any conditions.
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Waikato Playing Key Role In Aquatic Weed Spraying Efficiency
Waikato Regional Council has been playing a central role in moves designed to make spraying of aquatic weeds more cost effective and to get formal approval for such spraying. The Environmental Protection Authority (EPA) has announced today it is seeking submissions on an application to allow a number of herbicides to be used over water to control aquatic pest plants. The herbicides have been used for many years over water already but the application is designed to secure the necessary formal approval under the Hazardous Substances and New Organisms (HSNO) Act. The group is seeking approval to use herbicides containing one of four active ingredients (haloxyfop-R-methyl, imazapyr isopropylamine, metsulfuron-methyl or triclopyr triethylamine).
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Plan to attack Beaver Lake weed finalized
The battle against Eurasian watermilfoil in Beaver Lake continues. The latest development was a Wednesday evening closure of the lake by the Montana Department of Agriculture.
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Sharing banned aquatic plants illegal
Bay of Plenty residents are being urged not to share or grow banned aquatic pest plants which pose a "huge" risk to the region’s waterways. The Ministry of Primary Industries and the Bay of Plenty Regional Council is particularly concerned about salvinia, also known as kariba weed, and water hyacinth.
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Help protect Sherborn's Farm Pond from invasive plants -- become a Weed Watcher today
An important role of the Farm Pond Advisory Committee is to advise the Board of Selectmen on actions that will keep Farm Pond pristine. This year, FPAC has taken on the control of nonnative invasive aquatic plants as a major focus.
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Weeds choke local lakes
The town has tried herbicides ($10,000 to $70,000 per treatment), basic hand pulling ($10,000 to $30,000 per treatment), weevils (beetles introduced into the ecosystem specifically to chow on milfoil) and Diver Assisted Suction Farming or DASH ($10,000 to $30,000 per treatment). "The pond was a mess," Lowery said. "You could practically walk over it, you couldn't get a canoe through it, and you couldn’t swim in it. The pond was unusable. People started putting their houses on the market."
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Clearwater Lake Association tries aquatic weed harvesting over chemicals
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| Photo: Hannah Potes, MLive.com |
LEONI, MI - In an effort to cut down on the use of chemicals in Center Lake, the Clearwater Lake Association began using a different method for clearing weeds and algae from the lake. The technique, called aquatic harvesting, started Monday morning and will continue until Wednesday.
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