The Boatman’s Flute

January 15, 2015

              Is that the silver carp, Hypophthalmichthys molitrix, in its native country described in the last two lines? The Boatman’s Flute Today there is no wind on the Yangtze; the water is calm and green with no waves or ripples. All around the boat light floats in the air [...]

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Crayfish

December 19, 2014

  There are numerous invasive crayfish. We include details for the red swamp crayfish (Procambarus clarkii) and the rusty crayfish (Orenectes rusticus). The same recipes can be used for both species–and many other invasive crayfish. Red Swamp Crayfish Native range: Known as Louisiana crayfish, crawdad, and mudbug, Procambarus clarkii is native to the south central [...]

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11 Steps to Harvesting Invaders

December 15, 2014

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

December 9, 2014

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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Prickly Pear

October 21, 2014

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

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Green Crab Shell Secret Cracked

October 8, 2014

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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May Berenbaum

September 23, 2014

“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

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David E. Cooper

September 13, 2014

The carrot of convivial gastronomic pleasure is more persuasive than the stick of food scarcity. David E. Cooper in the Times Literary Supplement

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Harvest the Invaders: Incentives to Control Invasive Species

September 8, 2014

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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Lionfish

September 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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Land

Wild_boar

Wild Pig

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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Garden Snail

Deliberately or accidentally, by the movement of plants and by hobbyists who collect snails, humans have spread the garden snail to temperate and subtropical zones around the world.


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Prickly Pear

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


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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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Sea

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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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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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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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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

Armored Catfish Meatballs (1)

Armored Catfish

The armored catfish is abundant and destructive in Florida, Texas, and Mexico. Cast your nets for these flavorful natives of the Amazon. Scientific name: Two types have become established in North America: armadillo del rio, Hypostomus plecostomus, and sailfin catfishes in genus Pterygoplichthys Native range: Amazon River Basin Invasive range: Texas, Florida, and Hawaii; also [...]


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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. If the water is clean, and you’ve got corn for bait, try one of these recipes.


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Watercress

  Nasturtium officianale Native Range: Northern Africa, Europe, temperate Asia, and India Invasive Range: In USA: all lower 48 states, except North Dakota. Found in Alaska, Puerto Rico, and the Virgin Islands. Also southern Canada, Sub-Saharan Africa, South America, Australasia, and parts of tropical Asia. Habitat: Common along stream margins, ditches, and other areas with [...]


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Crayfish

  There are numerous invasive crayfish. We include details for the red swamp crayfish (Procambarus clarkii) and the rusty crayfish (Orenectes rusticus). The same recipes can be used for both species–and many other invasive crayfish. Red Swamp Crayfish Native range: Known as Louisiana crayfish, crawdad, and mudbug, Procambarus clarkii is native to the south central [...]


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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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Field Notes

invasive-brushes

The Alien Aesthetic

Patterson Clark turns invasive plants into art. As a volunteer for the National Park Service, he got an idea: “One day, when I was pulling a plant, I thought, how can I change my relationship with this plant so that it’s not just eradication, taking something’s life? Since then, I’ve been harvesting invasive plants, rather [...]


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The Lionfish Market

In a sign that the eat-the-invaders movement continues to gain steam, the University of West Florida’s College of Business is offering a course on marketing the highly invasive lionfish to consumers. Read more about it here.


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New Species Invade Campus Dining

Inspired by the work of the Eat the Invaders project, UVM Dining and the University of Vermont Real Food Working Group hosted a dinner featuring edible invasive species.


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Invasive Herbs for Herbal Tea

The ingredients for many herbal teas, including lemon balm, mint, and nettles, have become naturalized in the United States. RateTea reviews a few of them here.


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Can Markets Handle Invasive Species?

Marketing campaigns are underway to spur demand for the flaky white fillets of lionfish. The Reef Environmental Education Foundation has published a cookbook in an attempt to get people to realize that lionfish is an option for dinner. Whole Foods has hosted “Take a Bite Out of Lionfish”: live filleting and cooking demos and lionfish [...]


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“They say that time changes things, but you actually have to change them yourself.”

—Andy Warhol