Tag: Invasive Species
The content below has been tagged with the term “Invasive Species.”
September 6, 2018 | 4 minute read
Giant salvinia is an invasive floating fern from Brazil that can double its surface acreage in less than one week in optimal conditions. It has been spreading and causing problems in coastal Louisiana since 1989. Once it covers the water’s surface, this floating plant will begin to stack up upon itself, and can extend 12 inches or more above the water surface. Under such conditions, oxygen recharge of underlying waters is greatly reduced. Learn more...
August 24, 2018 | 8 minute read
Fire – prescribed and carefully managed – can be a wildlands’ best friend. Wildlife officials tout its ecological benefits. Hunters, fishermen and birders laud its cattail-clearing, nutrient-adding attributes. Hydrologists praise unimpeded water flows. Photo by USFWS. Learn more...
March 28, 2018 | 3 minute read
Feral pigs are widely considered a nuisance species. The wild hogs cause an estimated $1.5 billion in property damage every year all over the United States on both public and private lands, according to the Mississippi State University Center for Resolving Human-Wildlife Conflicts. They are an invasive species that can disrupt entire food chains. “They’re really bad for the ecosystem,” said Craig Sasser, refuge manager at Waccamaw National Wildlife Refuge in South Carolina. Learn more...
March 19, 2018 | 8 minute read
Eastport, Mississippi — This stretch of the Tennessee River is considered the most aquatically biodiverse in the nation, teeming with sportfish and at-risk snails and mussels. Locals boast that Pickwick Lake, where Mississippi, Alabama and Tennessee come together, is “the smallmouth bass capital of the world.” Catfish and buffalo fill commercial angler’s nets. Marinas lining the reservoir’s roads attest to Pickwick’s huge economic impact. Yet the Tennessee River, and a way of life, is under siege. Learn more...
April 13, 2016 | 4 minute read
Florida is considered “Ground Zero” in America’s fight against the spread of non-native species with more non-native reptile and amphibian species than anywhere else in the world. Learn more...
January 3, 2018 | 7 minute read
What action is the U.S. Fish and Wildlife Service taking? We are proposing to list the Barrens topminnow as an endangered species under the Endangered Species Act (ESA). What does it mean when a species is listed as endangered? A species is listed in one of two categories: endangered or threatened. An endangered species is one that is in danger of extinction throughout all or a significant portion of its range. Learn more...
January 3, 2018 | 4 minute read
The Barrens Plateau is home to a beautiful, iridescent fish that rarely grows longer than four inches and is found in only a few creeks and springs in four Tennessee counties. That little fish is now in trouble, and the U.S. Fish and Wildlife Service is proposing to help protect it as an endangered species under the Endangered Species Act (ESA). The Barrens topminnow has suffered from introduction of the non-native western mosquitofish, which has invaded the minnow’s habitat, outcompeting it for food and directly preying on young topminnows. Read the full story...
June 27, 2017 | 6 minute read
Lea en español. After more than a decade of conservation intervention, Desecheo National Wildlife Refuge (NWR) is once again safe for the threatened higo chumbo cactus, native seabirds, and unique lizards found nowhere else in the world. Just one year after an ambitious operation to rid Desecheo NWR of introduced rats, conservation biologists have confirmed that these damaging predators are absent from the island, and the operation was a success. Read the full story...