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NATIVE SPECIES
In the 1830s, America imported autumn olives from eastern Asia to stop erosion and reclaim mines; now the plant infests much of the United StatesAutumn olive, introduced from Asia, was used for erosion control and land restoration. This shrub's nitrogen-fixing ability and rapid growt...- In 2024, Florida scientists found a surprising way to detect invasive snakes: Their DNA can be found in water and soil even after they are goneA 2024 study by Florida scientists found that invasive snakes can be detected through traces of DNA left behind in water and soil. The new ...
- In 2020, DC's DOEE restored 500 feet of stream at Branch Avenue Park. Six years later, a site where the streambed had eroded by more than 15 feet was transformed, opening parkland for peopleA stream restoration project transformed a degraded parkland section in southeast Washington, DC. This initiative improved habitat and reso...
- In 2014, Great Smoky Mountains National Park funded Ravensford wetland restoration. 10 years later, volunteers had planted 500 native seedlings and removed 157,000 invasivesA decade of restoration work has helped transform the 10-acre Ravensford wetland in Great Smoky Mountains National Park. After invasive pla...
- In 1994, only a few hundred swift foxes remained. 30 years later, reintroduction campaigns restored populations to thousands across the Great PlainsConservationists have successfully reversed dramatic wildlife declines through dedicated efforts. Bold partnerships and investments have br...
- In 2009, Great Lakes IPMT helped restore 1 invaded panne at Indiana Dunes. 17 years later, native flowers now bloom in the wetland where invasive plants once formed a dense monocultureIndiana Dunes National Park faced a challenge as invasive plants colonized its delicate panne ecosystem. A dedicated partnership was formed...
- In 2014, Arizona used fish poison to clear an invasive fish from Virgin River after mechanical removal methods failed. Then the red shiner came backFor years, conservationists waged a relentless battle against the invasive red shiner in the Virgin River. Initial rotenone treatments show...
- In 1946, imported beetles were released against toxic St. Johnswort in northern California; by 1957, the weed had fallen to less than 1% of its former abundanceBy the 1940s, European Klamathweed had established itself as a major rangeland threat in California. To combat this invasive species, leaf ...
- In 2018, Natasha Whetzel helped burn 20 acres at Delaware’s Hurley Tract to restore habitat. 10 weeks later, native purple love grass had spread extensively, transforming the site into habitats for birds and pollinatorsConservation work in southern Delaware is helping restore and protect important habitats within the Nanticoke River watershed. At Middlefor...
- In 2002, Shattuck Chemical agreed to pay $1.25 million for restoration of South Platte River following years of chemical release. 10 years later, the river was restored for migratory birds and native speciesHazardous substances near Shattuck Chemical Company prompted a settlement for restoration projects. Funds supported habitat improvements al...
- Georgia won UNESCO World Heritage status for the 636-square-mile Okefenokee Swamp to bolster conservation; the result raised global attention around a wetland home to 15,000 alligators and hundreds of speciesGeorgia's Okefenokee Swamp received UNESCO World Heritage status. This recognition highlights its rich biodiversity and vital role as a car...
- In 2012, Ray Milewski and students set research plots at Pennsylvania's Tannersville Cranberry Bog. 10 years later, researchers cleared shrubs to help rare native plants return to the bogIn 2012, Ray Milewski and students established research plots at Pennsylvania’s Tannersville Cranberry Bog. A decade later, researchers cle...
- In the 1920s, Arizona’s State Game Department introduced bullfrogs for food and sport; the predators now eat young northern Mexican gartersnakes and move up to 7 milesArizona introduced American bullfrogs a century ago for sport, which now threatens native gartersnakes. These nonnative frogs disrupt food ...
- Khijadiya Bird Sanctuary emerges Black-Necked Stork's key breeding siteKhijadiya Bird Sanctuary is a key breeding site for the black-necked stork. Researchers confirmed four active nests, each producing two fle...
- In the 1960s, a Paradise Valley landowner acquired 2 mute swans for their beauty; by the late 1970s, they numbered 120, prompting a Yellowstone-led removal effort in 1987In Montana's Paradise Valley, the introduction of non-native mute swans, intended to enhance the scenic beauty, led to an unexpected explos...
- Beginning in 1877, Japan imported California rainbow trout for food and sport fishing; escaped fish later competed with native salmonids and disrupted their spawning groundsIn 1877, Japan imported rainbow trout from California for culinary and recreational purposes. However, these fish escaped their aquaculture...
- In 1990s, Samoa released a predatory flatworm as a weapon against giant African land snails. 49 years later, the predator has outlived its original target-control mission and threatens native snails insteadThe introduction of the predatory flatworm, Platydemus manokwari, to Samoa aimed to tackle the invasive giant African snails. However, this...
- In the 1990s, a predatory flatworm was released in Samoa to control giant African snails; it later drove native island snails toward extinctionBiological control efforts introduced the New Guinea flatworm to Pacific islands. This predator began hunting native land snails, pushing t...
- In 1500s, Spanish explorers introduced pigs into North America. Now areas where they roam free have fewer invasive speciesAlthough wild pigs have long been viewed as destructive invasive species, recent findings reveal they also play a surprising role in curbin...
- In 1905, Hawaii introduced mosquitofish to fight mosquitoes. More than 100 years later, the fish is threatening native wildlifeAn invasive species, mosquitofish, introduced to Hawaii in 1905 poses a significant threat to the islands' native freshwater ecosystem. The...
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