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Alertes Google 2018 sur les espèces animales introduites ou invasives

14/01/18

  • Invasive species making inroads in BC. Times Colonist: B.C. has a long history of exotic introductions, and with each new species, the natural character of the province is changed forever. Some introduced species, such as the European robin, vanished without a trace. At the other end of the spectrum, green crab, English ivy and Himalayan blackberry have …

13/01/18

  • Portland Vegans Are Now Protesting Leather Stores. Willamette Week: That piece discussed the horrors of trapping and took aim at arguments that trapping invasive species was a good idea. … Administration has determined that certain immigrants, many desperately fleeing unimaginable violence in their country-of- origin, are ‘invasive,' » wrote anti-fur activist Dani Rukin.
  • Discovery of a lone zebra mussel has stepped up vigilance at Lake Harriet. Minneapolis Star Tribune: Debra Pilger, whose career is dedicated to protecting the City of Lakes from aquatic invasive species and other environmental harm, remembers the shudder she felt when the 2½-inch-long critter was discovered Sept. 8 on a discarded, submerged sailboat cover. Similar discoveries in more than 100 …
  • Wolf our best hope to stop chronic wasting disease. The Bozeman Daily Chronicle: Like other invasive species, lake trout in Yellowstone Lake, noxious weeds, and parasites such as Brucellosis, most were introduced by well-meaning employees during an era where microbial infestation was unbeknownst, or unrecognizable. In my opinion as an independent biologist, the wolf is the …

12/01/18

  • Study blames pot farms for poisoning of endangered owls. Business Insider: The species, originally from the U.S. East, are considered an invasive species in the Northwest and a threat to spotted owls. Study lead author Mourad Gabriel earlier carried out similar research linking rat poison used by clandestine marijuana farms to the deaths of endangered fishers, a weasel-like
  • Ces petites bêtes alliées de nos cultures. actu.fr: De meilleurs résultats. Mais le NACA, par l’intermédiaire de l’INRA, recherche des solutions pour lutter plus efficacement en employant des auxiliaires de cultures. Leur utilisation doit être mesurée car il ne faut pas modifier l’écosystème en place dans notre région en introduisant des espèces invasives.
  • DeWine calls for lock closure to prevent invasive Asian carp in Great Lakes. Sentinel-Tribune: The Corps’ tentatively selected plan involves the use of electrical fences, noise and water jets to keep out invasive species, but DeWine says that plan doesn’t go far enough to stop the spread of Asian carp. (In June, there were reports of a silver carp found nine miles from Lake Michigan, beyond electric …
  • Species identification in the water bottle. EurekAlert (press release): In a systematic laboratory setup, fish belonging to an invasive species — the round goby (Neogobius melanostomus) — were kept in aquaria in varying densities, under various flow conditions, with and without sediment, and were removed from the water after a defined period of time. Subsequently, the …
  • Bringing the U to You’ lecture series returns starting Jan. 18. Great Falls Tribune: The threat of invasive species in Flathead Lake is the leadoff topic in the 17th annual “Bringing the U to You” lecture series in Great Falls. University of Montana and Montana State University alumni on the U to You committee work together to bring entertaining and informative lecturers from both …
  • Weekend cold front means brisk days, chilly nights. Palm Beach Daily News: The cold-blooded reptiles, along with other invasive species such as knight anoles, can become paralyzed when temperatures reach much below 50 degrees. It would take a longer run of cold days to do kill the non-native nuisance, which eat landscaping, dig burrows that undermine foundations and …

11/01/18

  • PA boosts battle against invasive species of pests, plants. ABC27: At the Pennsylvania Farm Show, an exhibit features the work of the Invasive Species Council, a collection of representatives from state and private agencies, who meet quarterly in Harrisburg. The goal of the group is to raise public awareness of problematic non-native species of plants, insects, aquatic …
  • Why the feds cut this beaver-killing program. USA TODAY. Nutria will continue to be killed because they are a non-native, invasive species in Oregon. Williams could not be reached for comment Wednesday. Under the program, counties contract with Wildlife Services to kill animals, such as cougars, coyotes and aquatic mammals, that are causing property …

10/01/18

  • Invasive marine species loses its grip during recent storms. Jersey Evening Post: Many invasive species migrate across the globe on huge cargo ships. These vessels take on ballast water in their home port to keep them stable while they travel across the oceans. Before docking in port to discharge their load they release the water as well as any organisms sucked in at the beginning …
  • Efforts to save island wildlife from extinction get a boost from new database. Mongabay.com: Though the approximately 465,000 islands on planet Earth represent just over five percent of total global land area, they are disproportionately rich in threatened biodiversity — and researchers have now identified which are the most important to protect from invasive species, a major driver of species …
  • Colorado Parks and Wildlife participating at Denver Boat Show, Sportsmen’s Expo. Loveland Reporter-Herald: The 2018 Denver Boat Show will take place Friday-Sunday, Jan. 12-14, at the Colorado Convention Center in Denver. Every ticket sold will contribute directly to the Colorado Parks and Wildlife invasive species program, according to a CPW press release. « Preventing the introduction and spread of …

09/01/18

  • A Primer on e-DNA. JSTOR Daily: The technique has since been refined to detect a variety of organisms, such as invasive snails. When a researcher has some idea which species she is seeking, eDNA can be combined with PCR, a technique for amplifying small sections of DNA, and used to sample entire suites of species.
  • Pathways. InvadingSpecies.com: Pathway: routes by which an invasive species is transferred from one ecosystem to another. It is the physical means by which an invasive species is transported to a new region by humans, either deliberately or accidentally. Vector: routes of transfer within a pathway by which an invasive species is …
  • Hit SquadInvadingSpecies.com: The Invading Species Hit Squad delivers on the ground, community based invasive species education, awareness and monitoring initiatives. Working in partnership with OMNRF district offices, stewardship councils, conservation authorities, and non-governmental organizations, over 20 summer
  • Why We Should Rethink How We Talk About “Alien” Species. Smithsonian : These antelope, like the ticks themselves, and the pathogen they carry, are considered an invasive species. They are cursed not only for their role as a disease vector, but because they eat native plants and compete with cattle for food. That’s why, unlike native white-tailed deer—which also host …
  • Scientists look to new methods for invasive mussel detection. KPAX-TV: « When you’re looking for the new arrival of an invasive species it’s always a needle in a haystack and you could find or miss them with any technique that you’re using, » said Flathead Lake Biological Station Assistant Director Tom Bansak. Bansak says that with early detection key for prevention, …
  • St. Paul to tackle invasive species, plant 2800 trees in regional parks. Minneapolis Star Tribune: St. Paul Parks and Recreation will begin to root out invasive species on hundreds of acres of parkland this year, setting the stage for future planting and preservation efforts. More than 200 acres of flood plain forest at Crosby Farm Regional Park and more than 60 acres of woods and prairie at Cherokee …
  • Sheehy supports effort to stop spread of Asian carp. Press Publications Inc.: Congress’s latest effort is similar to a resolution Sheehy sponsored in the House in 2014 that called on Congress to work toward total hydrologic separation of the Great Lakes to stop the invasive Asian carp. “Taking proactive steps to prevent the spread of invasive species of carp is certainly the most …

08/01/18

  • Flea now: parasites from domestic pets affecting wildlife world wide. UQ News: “Both flea species are commonly reported infesting free-roaming (feral) cats and dogs or introduced mammals such as red foxes, black rats and brown rats.” The breakdown of barriers between wildlife and invasive species had increased the transfer of fleas between domestic animals and wildlife.
  • Harrisonburg prepares to remove trees infested with invasive speciesWHSV : If you have a tree on your property that you think might be infested, call an arborist immediately. Emerald Ash Borers are an invasive species that have plagued the Valley in recent years, eating through ash trees and killing many of them in our area. The Shenandoah National Park considers the insect …
  • DNR to treat Appleton Memorial Park Pond to fight invasive fishWBAY: APPLETON, Wis. (WBAY) – The Wisconsin Department of Natural Resources says it will start treatment on Appleton’s Memorial Park Pond on Tuesday to fight an invasive species of fish. The DNR waited until there was eight inches of ice on the fishing pond to treat it with a chemical that will kill carp.
  • Be mindful of weather during CWD hunt, AIS inspection efforts pay off. Great Falls Tribune: In 2017, Montana stepped up efforts to fight against aquatic invasive species significantly, with a focus on prevention, education and early detection efforts across the state. FWP’s AIS inspectors saw more than 85,700 watercraft come through 35 inspection stations. 17 boats were intercepted for carrying …

 

07/01/18

  • Asian carp pose threat to region’s waterways. Nooga.com: Bighead carp, filter feeders that primarily feed on zooplankton and can weigh 80 pounds or more, came to the U.S. in the 1970s. The black carp has the potential to be a devastating invasive species because of its food preferences. “The black carp is a species that very much worries us,” Nichols said.
  • ECOVIEWS: Arctic foxes are Iceland’s only native terrestrial mammals. Aiken Standard: Wild reindeer herds well-adapted to the harsh weather conditions live in some areas, although these were introduced with the intent of domesticating them. Rabbits and mink have also been imported and are now wild in some areas. Rats are an invasive species, as they are wherever humans venture …

06/01/18

  • Royalty and Celebrities Drawn to Rat-free Seychelles Island. Island Conservation News: After undergoing invasive species removal and ecological restoration, North Island, Seychelles becomes a popular destination among royalty and celebrities. Rats don’t make great company when you’re trying to enjoy yourself on your tropical escape. Unfortunately, islands around the world are infested …
  • Odours of mass deception: an inventive new way of protecting native species. Palatinate: Dr Catherine Price visited Durham Tuesday 5th December 2017 to present her research into combatting invasive species in New Zealand. Invasive species are a massive economic and environmental problem globally. For instance, in 2005 their impacts cost the US $120 billion and were the principal …
  • Crazy worms may be wiggling to a garden near you. Bangor Daily News: It may sound like something out of a B horror movie, but the threat the invasive species represents to soil and plants is very real. Also known as “snake worms” and “Alabama jumping worms,” the aggressive Amynthas agrestis is not the friendly, soil-enriching earthworm gardeners and farmers welcome …

05/01/18

  • FWP: No adult mussels, larvae found in Montana waters in 2017. KPAX-TV: HELENA – Montana Fish, Wildlife and Parks says no invasive mussel larvae were discovered in Montana waters last year. FWP stepped up water testing and invasive species prevention efforts after samples taken in the fall of 2016 showed the possible presence of mussel larvae in Tiber and Canyon …

04/01/18

  • Will the cold snap kill any of Florida’s pesky pythons? Tampabay.com: Even as parts of Florida brace for record low temperatures, it likely won’t be cold enough for long enough to kill large numbers of one of the state’s most troublesome invasive species, the Burmese python. The snakes, most common in the Everglades, don’t fare well in the cold, but they have adapted to …
  • Frozen iguanas falling from trees during cold snap in Florida. CBS News: In 2010, a two-week-long cold snap with temperatures below 40 degrees Fahrenheit killed off many iguanas, along with Burmese pythons and other invasive species that thrive in South Florida’s subtropical climate. Those populations have since rebounded. Elsewhere in Florida, the effects of the winter …
  • FWP convening panel to study DNA for invasive mussel detection. Helena Independent Record: Montana stepped up its fight against aquatic invasive species significantly in 2017, with a focus on prevention, education and early detection efforts … FWP focused on Tiber and Canyon Ferry Reservoirs due to the detection of invasive mussel larvae in Tiber and a suspect detection in Canyon Ferry in …
  • 200K Christmas trees used to fight invasive carp — and the RBG needs more. CBC.ca: 200K Christmas trees used to fight invasive carp — and the RBG needs more … It’s all to keep out the non-native common carp, an invasive species that destroys natural habitats and creek beds in the area. The barriers also prevent sewage and sediment from seeping into Cootes. Royal Botanical …
  • 3 bad bugs the cold can help kill. Minnesota Public Radio News: The extended cold snap in Minnesota may feel like bad news but there is an upside: it’s killing off some of the insects that harm our trees and crops. MPR News’ Phil Picardi spoke with Rob Vinette about what bugs the cold is killing. Vinette directs the Minnesota Invasive Terrestrial Plants and Pests …

03/01/18

  • Wisdom Returns to Midway Atoll. Island Conservation News: The world’s oldest known Laysan Albatross, Wisdom, has returned to Midway Atoll to nest once again. Wisdom, a Laysan Albatross and the world’s oldest known breeding bird in the wild, has returned to Midway Atoll National Wildlife Refuge and Battle of Midway National Memorial. The approximately …
  • Smith: Lake herring restoration is being considered for Lake Michigan, Milwaukee Journal Sentinel: But populations of the ciscoes generally collapsed during the middle of the 20th century because of overfishing, interactions with invasive species such as alewife and rainbow smelt and loss of spawning and rearing habitat, according to research cited in « Ciscoes of the Laurentian Great Lakes and Lake …
  • How do we manage invasive species – and is it working? ABC Online: Since European colonisation in Australia, thousands of foreign plant and animal species have made their way to our shores. When a species occurs outside its normal areas and threatens resources, it is considered invasive. These flora and fauna are one of the biggest environmental problems facing …

02/01/18

  • Sightings of invasive species on the riseCrookwell Gazette: The snake poses a risk to Australian agricultural industries, as a potential host to exotic pests and diseases which can threaten native and domestic animals, including grazing animals. These include the bacterium Cowdria ruminantium, spread by reptile ticks, which can cause the death of grazing …
  • Saint Pierre-et-Miquelon : Dans l’archipel, la lutte contre les espèces invasives s’organise. France info : 8 espèces aquatiques envahissantes ont été répertoriées à Saint-Pierre et Miquelon. Une biologiste canadienne est venue spécialement sur le territoire pour travailler de concert avec les acteurs locaux.

31/12/17

  • ZSI forms cell to study impact of alien invasive species in India : Millennium Post. Kolkata: The Zoological Survey of India (ZSI) has constituted a separate cell for comprehensive study of the impact of invasion of alien species (IAS) on the fauna and accordingly suggest remedial measures. « We need an integrated multi-disciplinary research and development on IAS and evolving and …
  • Invasive flatworm again popping up in SWFL. Naples Herald: An invasive species which has been making appearances throughout the state of Florida in recent months is once again popping up in Southwest Florida. The New Guinea flatworm, which ranges from about one and a half to three inches long, preys on snails and invertebrates, but has been seen …