From the category archives:

News & Reviews

Striking a Deal with the Weed from Hell

January 27, 2015

After eradicating the water hyacinth from Florida’s Crystal River, managers are slowly starting to bring the notorious aquatic weed back to the famed manatee winter ground. Read more in Conservation Magazine.

    Full article

    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 [...]

      Full article

      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.

        Full article

        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.

          Full article

          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.

            Full article

            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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              An App to Find Nemo

              July 27, 2014

              “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

                June 16, 2014

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

                  Full article

                  Attack of the Green Crabs

                  May 22, 2014

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

                    Full article

                    Clean Boats, Clean Tournaments

                    May 16, 2014

                    Help stop the spread of invasive species.

                      Full article

                      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.


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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 [...]


                            EAT ME!
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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 [...]


                              EAT ME!
                              GarlicMustard1

                              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…


                                  EAT ME!
                                  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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                                    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 . . .


                                      EAT ME!
                                      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 . . .


                                        EAT ME!
                                        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

                                          rusty_crayfish-large

                                          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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                                            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

                                                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

                                                    water-hyacinth

                                                    Striking a Deal with the Weed from Hell

                                                    After eradicating the water hyacinth from Florida’s Crystal River, managers are slowly starting to bring the notorious aquatic weed back to the famed manatee winter ground. Read more in Conservation Magazine.


                                                      EAT ME!
                                                      jumping-carp_0

                                                      The Boatman’s Flute

                                                                    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 [...]


                                                        EAT ME!
                                                        Phragmites-young-shoots-300x225

                                                        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.


                                                          EAT ME!
                                                          images

                                                          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.


                                                            EAT ME!
                                                            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.


                                                              EAT ME!

                                                              “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