Lionfish

June 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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Blue Plate Special: Sow Thistle

May 26, 2014

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

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Attack of the Green Crabs

May 22, 2014

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

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Red Swamp Crayfish

May 19, 2014

  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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Clean Boats, Clean Tournaments

May 16, 2014

Help stop the spread of invasive species.

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Invasive Control, Bite by Bite

May 12, 2014

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

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Extraterrestrial Invaders

May 8, 2014

Three new scientific papers examine the risk of organisms native to Earth hitching a ride to another planet. Read more here.

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Snakeheads on the Potomac

April 26, 2014

April in DC. It means cherry blossoms for many and the start of northern snakehead season for a few. Fly fisherman and archer Austin Murphy recounts his efforts to catch the snakehead in the nation’s capital river. Northern snakeheads were first discovered in the Potomac River in 2004. I saw my first snakehead swimming in [...]

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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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What’s the Deal with . . . Invasivorism

April 2, 2014

“Invasivorism.” Practice saying it, because you’re gonna be hearing it a lot at cocktail parties and spying it on menus. Feral hog sashimi, grilled snakehead tacos, and Asian carp cakes, anyone? Yahoo! Food features editor Alex Van Buren speaks to Joe Roman about eating invasive species here.

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Land

nopales con huevo

Blue Plate Special: Prickly Pear

Fall is here, and the “cactus fig” is in season. Time to plate-up another widespread invader.


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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.


EAT ME!
800px-ChenopodiumAlbum001

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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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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chuka wakame

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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Hemigrapsus_sanguineus_big

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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Periwinkles

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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Kleiner_Taschenkrebs_(Carcinus_maenas)

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

Procambarus_clarkii_tank

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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Distinguishing _ Channa argus

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

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-mugshot

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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11 Steps to Harvesting Invaders

A couple of months ago we wrote about a new paper in Management of Biological Invasions reiviewing harvest incentives for managing invasives. The folks over at invasivore.org did a bang-up job of parsing these out in 11 recommendations for effective harvest. Read them here.


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The 800 Pound Grouper in the Room

Aquarium fish, sold as juveniles in the pet trade but able to outgrow their tanks, are at a high risk of becoming invasive. See the new paper in Marine Policy.


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green-crab

Green Crab Shell Secret Cracked

Researchers at the University of Prince Edward Island in Canada claim to have found a way to enhance molting in green crabs. If they can scale this up, and drum up interest by local chefs, they may just start a market for softshell invaders. Read more here.


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snakehead

Harvest the Invaders: Incentives to Control Invasive Species

Biologists Susan Pasko and Jason Goldberg discuss harvesting invaders in a new paper in Management of Biological Invasions. Incentive programs, such as bounties and encouraging recreational harvests, appear to be appropriate for certain species and regions. Among the many benefits is the development of an outreach program. “By engaging the public and encouraging harvest,” the [...]


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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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“What we see as weeds is dinner for a pollinator. A perfectly green, manicured lawn is a biological desert for pollinators.”

May Berenbaum in Heirloom Gardener