Zebra mussel-killing bacteria could help native species in the Great Lakes

Originally Published at interlochenpublicradio.org

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A treatment that kills zebra and quagga mussels could soon be available for use in lakes and rivers. It’s very effective and safe.

But it is not likely to undo much of the ecological damage done to Michigan waters by invasive mussels.

It could be good news, though, if you’re a clam.

Bacteria that kill

Quagga and zebra mussels are native to Eastern Europe and have been a disaster in the Great Lakes. more »

California Approves Marrone Bio Innovations’ Zequanox® for Invasive Mussel Control

Bio-based product for controlling zebra and quagga mussels provides environmentally responsible alternative to chlorine and other toxic chemicals

Logo_Zequanox_NOtag_rgb_R_sm_FOR_POSTINGMarrone Bio Innovations, Inc. (MBI) [NASDAQ: MBII], a leading global provider of bio-based pest management products for agriculture and water, announced today that the state of California has issued a Certificate of Pesticide Registration for Zequanox® to control invasive zebra and quagga mussels (Dreissena species) in pipe systems and infrastructure. Under this registration, Zequanox can now be used as an effective, environmentally responsible alternative to toxic, broad-spectrum chemicals (such as chlorine) to treat irrigation lines and water conveyance structures, as well as cooling and process water systems of industrial and power generation facilities. more »

Can Zequanox end the era of malicious mussels?

As Originally Published in Alexandria Echo Press
by Crystal Dey

Buzz has been circulating that another Zequanox trial is planned for a Douglas County lake this summer. It’s true.

Scientists from the New York State Museum documented zebra mussels suffocating native clam species in June 2013. (Photo contributed by NYSM)

In 2012, a mobile laboratory trial was conducted on Lake Carlos. The 2013 study planned for Little Lake Darling will determine how effective Zequanox can be at saving native clam species from zebra mussels.

Denise A. Mayer, director and senior research scientist with the New York State Museum’s Field Research Laboratory (NYSM-FRL) in Cambridge, New York is working on a U.S. Environmental Protection Agency (EPA) project in collaboration with the United States Geological Survey (USGS) out of La Crosse, Wisconsin and in cooperation with the Minnesota Department of Natural Resources. Scientific teams visited Douglas County and scoped out a prime location during a scuba dive expedition in June.
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USGS to Test New Weapon in Fight Against Zebra Mussels | ABC Eyewitness News Video

eyewitnessnesThe U.S. Geological Survey will begin testing a California-made product called Zequanox that is designed to kill zebra mussels.

The test will be done in Lake Minnetonka later this summer at Robinson’s Bay.

Richard Kiesling is a Hydrologist and Water Quality Specialist with the U.S. Geological Survey.

Kiesling says Zequanox has proven effective in smaller bodies of water. The Lake Minnetonka test will measure success in a larger bodies of water.

“The real question is, how effective is it going to be in that environment,” said Kiesling.

According to the U.S.G.S., Zequanox has had effective kill rates between 85 percent and 97 percent.

Test applications will begin in early September.

watch news report online >>

Feds Launch New Zebra Mussel Experiment on Lake Minnetonka

USGS_article_zequanoxAs Originally Published in the Lake MinnetonkaPatch

The Environmental Protection Agency has approved the use of Zequanox on an experimental basis to gauge its effectiveness at combating invasive zebra mussels in open water.

The United States Geological Survey (USGS) has begun an experiment on Lake Minnetonka that could turn the tide in the war against zebra mussels.

The experiment centers around the use of a biopesticide called Zequanox in open water to kill the invasive zebra mussel. The USGS recently applied for and was awarded a grant to conduct the experiment through the Legislative-Citizen Commission on Minnesota Resources (LCCMR), and several local, state and federal agencies have approved experimental use of Zequanox on Lake Minnetonka.

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Controlling Invasive Mussels

Water Power and Dam magazineStory by Dr. Sarahann Rackl
Published in International Water Power and Dam magazine, March 2013

Zebra and quagga mussels may be small in stature, but there’s power in numbers and these tiny creatures are having a big ecological and economic impact throughout North America. The invasive mussel problem has been particularly pervasive and costly for the hydroelectric power industry, but recent scientific developments offer new hope for controlling these pesky invaders.

Zequanox, a new biological treatment, offers new hope for controlling invasive mussels at hydroelectric projects.

Download article PDF >>

Marrone’s invasive species control system approved by four northeastern states

HydroworldPublished on HydroWorld.com, 3/18/13

Marrone Bio Innovations, Inc. has received Certificates of Pesticide Registration from New York, Pennsylvania, Connecticut and Vermont for a biopesticide product [Zequanox] designed to control invasive quagga and zebra mussels at hydropower projects.

Marrone’s product — called “Zequanox” — is composed of dead cells from naturally occurring microbes which the company said provide a level of efficacy comparable to chlorine and other chemical treatments. This makes Zequanox biodegradable, non-corrosive and non-volatile, Marrone said, and removes the need for detoxification before water discharge. more »

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