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HABITAT ALTERATION
In the late 1800s, America imported Japanese hops for medicine and gardens; escaped vines can now form 4-foot-thick blankets with thousands of plants per acreIntroduced to the United States in the late 1800s, Japanese hops were initially valued for their ornamental and medicinal qualities. Howeve...
Beavers in Switzerland built dams in 16 streams that were disturbed by humans. Their hard work slowed down water and helped restore aquatic wildlifeBeavers are transforming human-altered streams across Switzerland by building dams that create new habitats for aquatic wildlife. A study o...
In the 1950s, California brought in Cape ivy as an ornamental vine; it spread across 500,000+ acres, cutting native seedling variety by as much as 95%Cape ivy, introduced to California in the 1950s for ornamental purposes, has turned into a destructive invasive species. Its rapid growth s...
In East Texas, excluding feral hogs from forest plots for 7 years more than doubled the abundance of woody plant species with large seedsIn the Big Thicket National Preserve, feral hogs significantly disrupt forest ecosystems by consuming seeds and disturbing soil. A study re...
Montana removed non-native brook trout and repaired mining-damaged White's Creek; the struggling native cutthroat trout population then grew at least sevenfoldIn White's Creek, Montana, a dedicated conservation project took shape to safeguard the native westslope cutthroat trout from the encroachm...
A Tanzanian dam cut a waterfall’s flow by 90%; Engineers built sprinklers to save the coin-sized toad that lived thereA Tanzanian dam cut a waterfall’s flow by 90%, threatening a toad that lived on five acres. Sprinklers, a 499-toad zoo rescue and a 2012 re...
In 1848, California nursery operators brought pampas grass to Santa Barbara; it spread across the state, and one stand can release millions of seeds each yearPampas grass made its debut in California in 1848, admired for its striking appearance as an ornamental plant. However, its vigorous reprod...
America brought yellow flag iris in for gardens; it escaped into wetlands, reached more than 40 states, and now congests water flow while crowding out native plantsThe yellow flag iris, first brought to North America in the 1800s, quickly evolved from an ornamental plant to a widespread ecological thre...
Chicago’s lost wetlands are coming back. Here’s how scientists, beavers and muskrats are rebuilding the Calumet regionSometimes restoring nature isn't about building something new. It's about fixing what was broken and giving nature the chance to rebuild it...
Could beavers help slow flash floods? A reintroduction project in England shows how their dams can hold back waterEurasian beavers returned to the UK after centuries. Then came a five-year trial that reshaped their future, along with the English landsca...
Amur honeysuckle arrived in America as an ornamental shrub; it later became a major invasive concern in forests across the northern United StatesIntroduced over a century ago, Amur honeysuckle quickly spread across the United States as an ornamental plant, but its aggressive growth h...
Billionaire George Kaiser helped turn a neglected Arkansas River waterfront into a $465 million park. Millions now visit itSituated along Tulsa's riverfront, Gathering Place represents an ambitious transformation into a bustling community hub. Designed to combat...
These endangered wild dogs crossed 2,563 miles through Zambia. Scientists say their journey could help save the speciesThree African wild dogs from the Mayukuyuku pack traveled a remarkable 2,563 miles across Zambia. Their journey, lasting about nine months,...
Why Wyoming’s Yellowstone Park stop feeding bears? How garbage dumps once became an attractionYellowstone National Park experienced significant challenges in managing bear-human interactions due to improper waste management. In the l...
Two beavers built a 115-foot dam in Dorset in just a year. Formed a shaded woodland and is now a wetland where otters fish and barn owls huntIn Dorset, the reintroduction of beavers has led to significant landscape transformation, creating a wetland habitat. Their dam-building ac...
DNA reveals four gentoo penguin species instead of one after more than 100 years. Scientists now fear some island populations could lose their homes to global warmingNew genomic research has resolved a century-old debate over gentoo penguins, revealing four distinct species rather than one with several s...
Science says a dead whale can feed an entire ecosystem for decades, what happens after it reaches the seafloor is extraordinaryThe massive bones of a whale can hold significant amounts of lipid-rich material. In the low-oxygen environment around a whale fall, microo...
In 2019, 2 beavers were released in Yorkshire’s Cropton Forest. 5 years later, 6 dams are slowing floodwaters and reviving wildlifeA five-year experiment in North Yorkshire shows how beavers can reshape ecosystems while helping manage floodwater. Two beavers built six d...
In 2014, Massachusetts' JRWA began work to remove a dam sitting 10 feet below the Elm Street Bridge. 5 years later, the Jones River was freed for alewife, eels and trout once againElm Street project was also part of a broader sequence of restoration work on the Jones River. A previous obstacle, the Wapping Road Dam, h...
New York has already restored 200 million oysters. Now it wants 1 billion back in its harborNew York Harbor is the focal point of an extraordinary ecological restoration project known as the Billion Oyster Project. The aim is to tr...