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TROPHIC CASCADES IN ECOSYSTEMS
In Washington, scientists excluded elk from rainforest plots for 36 years; shrubs became 5 to 6 times more abundant, while 46 plant species disappeared- In 1950, livestock viruses drove the Serengeti's wildebeest herd down to 300,000. Less than a decade later, it surpassed 1.5 million, helping turn the ecosystem into a carbon sink
- Mountain lions left this suburb a century ago; one returned to Stanford's preserve in 2015, and woody plants grew 64-fold in just 11 years
- Blue crabs were first found in Italy's Adriatic in 1949; 74 years later, they exploded, cut clam output 90%, and pushed 160 km up the Po RiverAmerican blue crabs, famed for their presence in coastal cuisine, are now making an alarming, unprecedented journey deep into Italy's Po Ri...29 Jun, 2026, 03.48 PM IST
- In 1995, 14 wolves were reintroduced to Yellowstone to heal a damaged ecosystem; decades later, researchers are challenging one of the most celebrated predator stories in American ecologyYellowstone's wolf reintroduction success story faces a scientific challenge. New analysis suggests the dramatic impact on willow growth wa...24 Jun, 2026, 04.15 PM IST
- The Wolves That Changed a River: What Yellowstone Taught ScientistsYellowstone's ecosystem is showing remarkable recovery following the reintroduction of gray wolves in 1995. Their presence has reshaped elk...03 Mar, 2026, 04.14 PM IST
- Not All Species Are Declining: Turtles and Tigers Are Beating the OddsNature is showing signs of recovery in protected areas. Sea turtles are returning to nesting beaches, and tiger populations are increasing ...07 Feb, 2026, 05.37 PM IST
- Loss of large predators damaging ecosystemsThe decline of large predators such as lions, wolves and bears is threatening the Earth’s delicate ecosystems, changing the face of landsca...11 Jan, 2014, 06.43 AM IST
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