Lionfish

April 4, 2014

Some say it started in 1992 in Miami when Hurricane Andrew smashed an aquarium tank. Don’t blame the weather, others say; in the mid-nineties, disappointed yet softhearted hobbyists…

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Invasive Cuisine

April 2, 2014

Joe Roman talks with Jane Lindholm of Vermont Public Radio about his mission to change what’s on our dinner plates. Listen here.

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The Gourmet Invasivore’s Dilemma

March 30, 2014

“The invasivore movement has caught fire. Some of the worst invaders, like gypsy moths and Asian long-horned beetles, will not grace lunch counters anytime soon, yet where perniciousness meets deliciousness, there is hope.” Rowan Jacobsen writes about Bun Lai and Joe Roman in April’s Outside Magazine.

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New Green Crab Fishery in Canada

March 23, 2014

Fisheries and Oceans Canada wants to create a commercial green crab fishery on Prince Edward Island. Read more about it here.

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Invader vs. Invader

February 17, 2014

Crazy ants may soon displace fire ants from much of the southeastern U.S. and become the new ecologically dominant invasive ant species. Read more here.

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Eat the Invaders in Brazil

February 9, 2014

Fala portugués? Eat the Invaders has been covered by Brazil’s Época magazine. Roast capybara, anyone? Coma as Invasores

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Asian Carp at the Doorstep of Great Lakes

January 7, 2014

The Asian carp could devastate native species and local fisheries in the Great Lakes. Can the Army Corps of Engineers and regional managers stop this invasion. David Schaper provides an update on NPR.

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Cows Eat Weeds, Too

November 18, 2013

It’s not only humans that can develop an appetite for invaders. Kathy Voth, founder of Livestock for Landscapes, has helped farmers control invasive weeds on their land by training cows to eat invasive multiflora rose. The cows are fed the roses, until they develop a taste for it. Says one farmer: “the cows ate all [...]

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News from Sparkling Lake

November 4, 2013

In the early 2000s, researchers at the University of Wisconsin-Madison began an eight-year battle against an invasive species found in northern Wisconsin’s Sparkling lake. Orconectes rusticus, known as the rusty crayfish, was mowing down native plants, to better spot approaching predators, and outcompeting native crayfish. It consumed the eggs of native fish, and left other [...]

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We Came over on The Mayflower, Too! A Timeline of North American Invasive Species

October 20, 2013

1500s Water lettuce, Pistia stratiotes, introduced, perhaps in the ballast water of ships from Spain or South America. 1539 Feral pigs, Sus scrofa, begin with the introduction of Spanish domestic stock in Florida by Hernando de Soto; whether the release was accidental or intentional is unknown. 1600s Scots pine, Pinus sylvestris, native to Europe and [...]

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Land

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Blue Plate Special: Sow Thistle

It’s spring and time to weed. Sow thistle is a delicious invader found throughout the continent.


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Lamb’s Quarters

Lamb’s quarters was a popular spring tonic in the South—an early season edible green—but its leaves are good throughout the summer.       Chenopodium album Native range: Described by Linnaeus in 1753, this European native has been transferred throughout much of the world. Because its spread was rarely recorded, C. album‘s native and invasive [...]


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Wild Fennel

  Foeniculum vulgare Native range: Mediterranean, from Turkey west to Spain and Morocco Invasive range: Much of North and South America, South Africa, and parts of Oceania and the British Isles. Check out the USDA Plants Database to see if it’s found near you. Habitat: Roadsides, pastures, along the edge of wild habitats. Rocky shores [...]


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Garlic Mustard

  Alliaria petiolata Native range: Europe, Asia, Northwest Africa Invasive range: Much of the Lower 48, Alaska, and Canada. (See map.) Habitat: Moist, shaded soil of floodplains, forests, roadsides, edges of woods, and forest openings. Often dominant in disturbed areas. Description: Biennial herb. First-year plant has a rosette of green leaves close to the ground. [...]


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Wild Boar

Did the domestic ancestors of today’s feral pigs streak off De Soto’s ship into the Florida scrub of their own accord in 1539? Or did they have to be urged to go find something to eat? All you need to…


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Sea

Pterois volitans

Lionfish

Some say it started in 1992 in Miami when Hurricane Andrew smashed an aquarium tank. Don’t blame the weather, others say; in the mid-nineties, disappointed yet softhearted hobbyists…


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Wakame

  Undaria pinnatifida Native range: Japan Sea Invasive range: Southern California, San Francisco Bay, New Zealand, Australia, Europe, Argentina Habitat: Opportunistic seaweed, can be found on hard substrates including rocky reefs, pylons, buoys, boat hulls, and abalone and bivalve shells. Description: Golden brown seaweed, growing up to nine feet. Forms thick canopy. Reproductive sporophyll in [...]


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Asian Shore Crab

The first sighting of the Asian shore crab in the United States was at Townsend Inlet, Cape May County, New Jersey, in 1988. Though the source is unknown . . .


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Periwinkle

The common periwinkle, which first appeared in New England in the 1860s, is now found along the coast wherever there’s hard substrate–rocks, riprap, broken concrete, or docks–from Labrador to . . .


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Green Crab

Since the green crab was first recorded off southern Massachusetts in 1817, it has been hard to ignore. A few minutes of rock-flipping in Maine can turn up dozens of them, brandishing their claws as they retreat…


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Fresh

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Red Swamp Crayfish

  Procambarus clarkii Native range: Red Swamp Crayfish, also known as Louisiana Crayfish, Crawdad, and Mudbug, is native to the south central United States and northeastern Mexico. Invasive range: Widely introduced throughout the United States including Arizona, California, Georgia, Hawaii, Idaho, Indiana, Maryland, North Carolina, Nevada, Ohio, Oregon, South Carolina, Utah, and Virginia. Populations have [...]


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Northern Snakehead

His sister was ailing, and the man in Maryland remembered that, back home in Hong Kong, there was a fish that was considered a delicacy and a restorative. He would make a fish soup…


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Bullfrog

“They live in a wide variety of habitats, colonize new ones readily, and eat everything that fits into their mouths,” says Dr. Peter Moyle of the Center for Watershed Sciences at UC-Davis…


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Nutria

Nutria, also known as coypu and river rat, is native to temperate and subtropical South America. It has been introduced to Europe, Asia, and Africa, mainly for fur farming. These voracious. . .


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Common Carp

For a bottom-feeder, what is the good life? The common carp isn’t very demanding: any body of water that’s sluggish and murky will do. One catching sewage or…


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Field Notes

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An App to Find Nemo

“Creating a consumer market for invasive species is one of the most successful ways of combatting them. Like cupcakes or artisanal pickles, it can take a lot of marketing and hype to create a demand that matches the supply. The Connecticut chef Bun Lai’s invasive-species menu, which Elizabeth Kolbert wrote about in 2012, includes lionfish [...]


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Hunting for Alien Bug and Seed Invaders at Baltimore’s Port

The fight against invaders starts at seaports and airports across the world. Listen to the NPR story here.


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Attack of the Green Crabs

Green crabs on the move in Maine and the Maritimes. Watch the movie here.


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Clean Boats, Clean Tournaments

Help stop the spread of invasive species.


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Invasive Control, Bite by Bite

Dorothy Pellett discusses eating invaders in the Burlington Free Press. Read the story here.


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“Most of us eat only what we know. It’s time to put on our boots (or our sneakers) and look around.”

—Jane Kramer in The New Yorker