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NON NATIVE PLANTS
In 1920, Washington planted 507 Norway maples along 16th Street to honor its war dead; the invasive species later spread into Rock Creek ParkIn 1920, Washington DC planted Norway maples as a tribute to World War I veterans. Initially seen as a living memorial, these trees became ...- Around 1745, America imported mimosa for its fragrant pink flowers; it later spread into forests across the southern USMimosa, an ornamental tree brought from Asia in the mid-18th century, has thrived in the American South, but its aggressive spread poses a ...
- From 1877, officials stocked over 33 million fish in Yosemite for anglers, altering fishless lakes and reducing habitat for native yellow-legged frogsYosemite's lakes, once fishless, received over 33 million stocked fish between 1877 and 1990. Introduced trout preyed on native species and...
- Brought in 1900s to save California's soil, this invasive iceplant is now suffocating native ecosystemsOriginally introduced from South Africa, highway iceplant has spread across large areas of California. The succulent groundcover expands ra...
- 2008, Spain destroyed susceptible pines within 3 km after finding pine wood nematode in one tree; that outbreak was eradicatedA microscopic worm, Bursaphelenchus xylophilus, caused a severe pine tree outbreak in Spain. Officials initially eradicated one infestation...
- Rare yellow flower unseen on California public land for 68 years resurfaces after cattle clear invasive weedsA rare yellow flower, unseen for 68 years, has reappeared on public land. Botanists discovered the caper-fruited Tropidocarpum in Californi...
- In 1837, New Zealand fur promoters released Australian possums to build a new industry; the first attempt failed, so settlers kept trying until the animals invaded the countryNew Zealand settlers introduced Australian possums in 1837 for a fur trade venture. This initial plan failed, but subsequent attempts event...
- In 1778, Captain James Cook’s crew released goats in Hawaii as a future food source; their descendants damaged native plants and worsened erosionCaptain Cook introduced goats to Hawaii in 1778, which then proliferated rapidly. These animals severely damaged native plants and altered ...
- New Zealand in the 1850s planted millions of pines for timber, but today scientists are spending millions trying to stop them from overrunning native mountainsNew Zealand's high country is battling an invasion of non-native pine trees, introduced generations ago for forestry. These 'wilding conife...
- Britain in the 1920s planted millions of Sitka spruce trees for timber, but scientists now say the country's forests support far fewer birds, plants, and insects than native woodlandsBritain's vast Sitka spruce plantations, while economically vital, host a surprisingly limited number of species compared to native trees. ...
- Against all odds, one of nature’s most colorful little survivors just made an incredible returnA vibrant blue gecko, once threatened by the pet trade and habitat loss, is making a remarkable comeback in Tanzania. Conservation efforts,...
- Italy planted Norway spruce across the Alps in the 1930s, a deliberate-but-naive reforestation drive, but 90 years on, plant diversity is 50% lower than in native forestsA 90-year-old reforestation project in Italy's Prealps planted Norway spruce. A new study reveals this decision drastically reduced plant d...
- Britain's army fenced off Salisbury Plain from industrial farming; 143 years on, plants came back fast, but the hidden soil microbes still haven't caught upLand restoration success is often measured above ground. However, a landmark study reveals that the invisible recovery of soil ecosystems t...
- From pet to pest: A 2026 experiment reveals that releasing goldfish into lakes triggers a full ecosystem regime shift, and no lake type is immuneReleasing pet goldfish into local waters causes extensive ecological damage. These fish grow large, stir up sediment, consume prey, and out...
- In 1822, Europeans brought honey bees to Australia as agricultural heroes; 200 years later, researchers found they were helping tree death spread faster than windNew research published in NeoBiota suggests western honey bees may be helping spread myrtle rust, a destructive fungal disease threatening ...
- This plant is becoming a big threat to U.S homes, here's whyInvasive plants tend to be posing a grave danger to the natural pattern of biodiversity as it rapidly continues to cut in on the habitats. ...
- Invasive species have pushed native ones to extinction, but not all cause negative impactsSome non-native species are a leading cause of species extinctions.
- Alien species threaten Indian ecosystems: GovernmentInvasive alien species like Lantana and Cuscutta pose a threat to the ecosystems and lead to loss of biodiversity of the country, the gover...
- Writer's block: Let's not treat trees like stage-propsTo think that what gives us life-savers like oxygen, shade and bird-song could be potential killers seems absurd. But that's exactly what w...
- Srivilliputhur sanctuary to raise fodder trees for resident animalsWith ample rain inside Srivilliputhur Grizzled Squirrel Wildlife Sanctuary, the forest department here has commenced a drive to raise fodde...
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