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RIVER SKJERN HABITAT RECOVERY
The hidden owl war: An invasive owl is conquering ancient forests, putting the threatened northern spotted owl at even greater risk- In 2001, Denmark turned a 19-km straight river into a 26-km winding one, but decades later researchers found nature was still struggling to rebuild what humans had destroyed
- By the mid-2010s, California agencies had placed more than 200,000 tons of gravel below Keswick Dam, restoring egg-laying habitat for endangered salmon
- By the mid-2010s, California agencies had placed more than 200,000 tons of gravel below Keswick Dam, restoring egg-laying habitat for endangered salmonThe construction of dams along the Sacramento River hindered the natural flow of gravel that is essential for salmon spawning. Efforts are ...13 Aug, 2026, 05.20 PM IST
- In 1884, Louisiana displayed South American water hyacinth for its lavender flowers; within decades, floating mats covered 126,000 Florida acres and blocked waterwaysOriginating in 1884, water hyacinth transformed into a significant nuisance for Florida by the 1950s. This aggressive floating plant overto...13 Aug, 2026, 04.10 PM IST
- In 2011, California turned dormant rice fields into winter salmon nurseries; the young fish grew up to eight times faster than in riversFlooded rice fields in California's Yolo Bypass are helping young salmon grow significantly faster. These fields provide a rich food source...13 Aug, 2026, 02.50 PM IST
- In 2000, the American West entered a megadrought that became its driest stretch in roughly 1,200 years. Years later, it left major lakes and reservoirs majorly depleted, with some losing enough water to expose miles of lakebedSeveral major North American lakes are experiencing significant water level declines. Drought, warming temperatures, and increased water de...13 Aug, 2026, 12.11 AM IST
- In 1964, Wisconsin closed this railway line. Today, 60,000 visitors come here every yearA railway line in Wisconsin that stopped carrying trains in 1964 has found a surprising second life. The former Elroy-Sparta route is now a...12 Aug, 2026, 03.20 PM IST
- Boulder used a two-day gathering of scientists and engineers to tackle the challenge of reaching Titan; the result transformed the roadmap for human exploration beyond Mars, revealing that time and technology are the real barriersScientists and engineers explored the feasibility of human missions to Titan. Titan offers a dense atmosphere and abundant local chemistry ...11 Aug, 2026, 10.27 PM IST
- In 1963, federal engineers completed Glen Canyon Dam in Arizona for water storage and power, which turned the Colorado River colder and disrupted native fish reproductionGlen Canyon Dam altered the Colorado River's temperature and flow significantly. This change negatively affected the endangered humpback ch...11 Aug, 2026, 07.29 PM IST
- In 1977, California removed the last herbivores from San Miguel Island after years of overgrazing. Decades later, the barren landscape produced a stunning ecological comeback, transforming into an island covered with native vegetationSan Miguel Island tells a powerful conservation story. Once called a “barren lump of sand,” the 9,500-acre California island suffered more ...11 Aug, 2026, 06.59 PM IST
- In the 1800s, Americans planted tamarisk for windbreaks and erosion control; by 2005, the tree had spread across western river systems and become a major management concernTamarisk was originally brought in for various practical applications, but it has since proliferated across western waterways. This invasiv...11 Aug, 2026, 05.14 PM IST
- The bird on the Seychelles’ 25-rupee note once had only 12 survivors on one island; after another decline, conservationists helped rebuild it to around 280 across five islandsThe Seychelles magpie-robin was on the brink of extinction, with a mere twelve individuals left. In 1990, a concerted conservation effort k...11 Aug, 2026, 04.54 PM IST
- The story of Kazakhstan's lost Turan tigers: Hunted to extinction, now making a comeback after 70 yearsTigers are returning to Kazakhstan's wilderness after a 70-year absence. An adult female Amur tiger named Umit was released into the Ile-Ba...06 Aug, 2026, 08.12 PM IST
- A Record-Breaking Beast: How night hunters hauled a massive alligator from Mississippi watersA Mississippi crew captured the state's largest alligator, weighing 802.5 pounds. This prehistoric reptile measured an impressive 14 feet a...05 Aug, 2026, 11.39 PM IST
- Meet the King Snake: A non-venomous reptile that hunts and eats venomous snakes; here's how it kills its preyMeet the king snake, a non-venomous North American reptile that hunts, kills and eats venomous snakes including rattlesnakes, cottonmouths ...04 Aug, 2026, 05.54 PM IST
- North America once had 400 million beavers, nearly wiped out by the 1900s; they are now helping shield wildfire-prone stream corridors in northeastern Washington from flamesBeavers, once a dominant presence in North America, shaped resilient ecosystems that thrived as they created vast wetland habitats. Their n...04 Aug, 2026, 05.37 PM IST
- In 2006, Canada launched a mission to save Atlantic salmon. Nearly 20 years later, the fish are returningAtlantic salmon populations declined due to habitat destruction and overfishing. Conservation efforts involving captive breeding and habita...30 Jul, 2026, 06.25 PM IST
- 30 million oysters are being dumped into US's Chesapeake Bay in a race to save America's largest estuaryMillions of baby oysters are being planted in the Chesapeake Bay. Scientists hope this effort will revive one of America's most important w...29 Jul, 2026, 06.09 PM IST
- In 2001, a USDA scientist released beetles to destroy an invasive tree, but they eliminated 94% of an endangered bird's habitat along one riverAn invasive beetle introduced to control tamarisk trees has devastated flycatcher nesting grounds. This beetle, released by the USDA, succe...28 Jul, 2026, 04.43 PM IST
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