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News stories tagged with "invasives"

VHS infection zone in orange, buffer zone in yellow
VHS infection zone in orange, buffer zone in yellow

Ontario works to slow fish virus

In Ontario, the Ministry of Natural Resources has drawn up maps to indicate a VHS zone along the border, a buffer zone above that and a VHS-free zone--which still includes most of the province. Ottawa correspondent Lucy Martin has more on containment efforts there.  Go to full article
Close-up of Garlic Mustard flowers
Close-up of Garlic Mustard flowers

Control time in the garden

Weeding is probably the least favorite garden chore. But horticulturist Amy Ivy says getting an early start this month will make it easier to control weeds later this summer. Plus -- discouraging news about the invasive garlic mustard. She spoke with Martha Foley.  Go to full article
Sirex woodwasps
Sirex woodwasps

Invasives spread across North Country; threaten Adirondack Park

The Sirex wood wasp has now spread across most of New York and virtually all the North Country. By burrowing and laying eggs in pine and scotch trees, the invasive insect kills them by introducing a fungus into their sap. As Jonathan Brown reports, officials with the state Department of Environmental Conservation are considering hauling restrictions, and possibly quarantines, to keep the wasps from spreading further.  Go to full article

New law for Great Lakes ships

The St. Lawrence Seaway is now open to international ship traffic from the Atlantic Ocean to the Great Lakes. But as Sarah Hulett reports, the start of this year's Great Lakes shipping season is raising questions about a new state law aimed at protecting the lakes from invasive species.  Go to full article

States pass feds on invasives law

U.S. ports receive more than imported cargo. They often receive fish and other aquatic organisms from foreign ports. They stow away in the ballast water of cargo ships. Once in U.S. waters, some of the foreign species become invaders, damaging the ecosystem. The federal government has done little to stop these invasive species. Rick Pluta reports now some states have decided to take things into their own hands.  Go to full article

Multimillion dollar parasite fight continues

One of the most destructive invasive species in the Great Lakes was also the first one to arrive. The sea lamprey invaded the Lakes more than a hundred years ago, and no one's been able to get rid of it. As Rebecca Williams reports, it's the only invader in the Lakes that managers have been able to control... but it takes millions of taxpayers' dollars every year to keep the blood-sucking parasite in check, and there's no end in sight.  Go to full article

Predicting new invaders

There are over 160 non-native species in the Great lakes and St.Lawrence Seaway. If they impact native species, they're called "invasive." It's estimated that invasive species already cost the Great Lakes basin billions of dollars a year. The Great Lakes Radio Consortium's Zach Peterson reports that invasive species are also changing the ecosystem, crowding out the native species, and disrupting the natural food chain. And there will likely be more coming.  Go to full article

New research center for ballast treatment

Foreign, invasive species often get into U.S. waters by hitching a ride in the ballast water of ocean going ships. Now, a new research center will work to stop the spread of these invasive species. The research center hopes to develop new treatment systems aimed at catching the critters before they get out. The GLRC's Stephanie Hemphill has more.  Go to full article

Top Ten Threats to the Great Lakes: Predicting New Invaders

There are new problems for the Great Lakes on the horizon. As part of the series, "Top Ten Threats to the Great lakes", new invasive species are one of the ten threats. There are more than 160 foreign species in the Great Lakes now, and scientists are expecting others to make their way into the Great Lakes ecosystem in the near future. The outsiders crowd out and disrupt the natural food chain. As Zach Peterson reports, it's likely more will be coming.  Go to full article

"Invasives" Fight Needs People and Money

Non-native plant species like zebra mussels, water milfoil, and purple loosestrife are called "invasives." They can overwhelm native species, upsetting whole ecosystems. In the Adirondacks, private groups that have been fighting invasives for years are now hoping for public help. Invasives are considered one of the most serious threats to the region's, and the state's, environment. A state task force studying the problem brought its draft report and recommendations to a meeting in Ray Brook this week. As Chris Knight reports, members found a receptive audience, with its own suggestions.  Go to full article

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