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JAPAN INVASIVE SPECIES
Beginning in 1877, Japan imported California rainbow trout for food and sport fishing; escaped fish later competed with native salmonids and disrupted their spawning grounds- During World War II, Japan imported 150 South American nutria for military fur; after mass escapes and releases, their descendants spread across at least 19 prefectures and dug through rice fields and reservoir banks
- In 1978, Japan released just 10 to 15 cane toads on Ishigaki Island; their population likely surpassed 20,000, and native snakes were found dead near the toads
- In 1960, Japan’s future emperor took 18 bluegills home from Chicago. Their descendants multiplied into millions and invaded Lake BiwaA significant ecological problem arose from a 1960 gift of bluegills to Japan's Crown Prince Akihito. These fish propagated swiftly, infilt...18 Aug, 2026, 10.53 PM IST
- After someone planted golden bamboo beside an Oʻahu road, the single ornamental planting escaped and grew into a 1-acre patch, crowding out native plantsGolden bamboo, once a beloved addition to gardens, is now recognized as an invasive menace. Its rapid growth through underground rhizomes t...18 Aug, 2026, 06.50 PM IST
- In 2005, scientists revealed how ships helped Moon Jellyfish conquer the world's seas and threaten ecosystems around the planetScientists have reported a concerning invasion of alien moon jellyfish across various marine ecosystems. These jellyfish hitch rides on shi...04 Aug, 2026, 12.34 AM IST
- 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...01 Aug, 2026, 04.14 PM IST
- A $7 billion seafood species has become an invasive resident on the US East Coast - here's why scientists are concernedManila clams, a valuable seafood species, have established a breeding population in Boston Harbor. This marks the first known successful es...14 Jul, 2026, 02.37 PM IST
- In 1979, Japan released 30 mongooses onto Amami Oshima to kill venomous snakes, and it took 45 years to fix what happened nextJapan's ambitious plan to control venomous snakes on Amami Ōshima with Indian mongooses in 1979 backfired spectacularly. The introduced pre...04 Jun, 2026, 03.36 PM IST
- Antarctica's tourism boom raises concerns about contamination and diseaseSoaring tourism to Antarctica, driven by climate change fears, raises concerns about contamination and damage to the fragile ecosystem. A r...07 May, 2026, 10.11 AM IST
- Spiders the size of a human hand are spreading throughout the USGiant Joro spiders from East Asia are spreading across America. These impressive weavers are establishing themselves in new regions. Their ...25 Apr, 2026, 01.51 PM IST
- Star Trek: Starfleet Academy Episode 6 release time, schedule, what to expect and how to watch: Global streaming timings worldwide, story, setting and castStar Trek: Starfleet Academy Episode 6 release time, schedule, what to expect and how to watch is now confirmed. Episode 6 titled “Come, Le...12 Feb, 2026, 04.34 AM IST
- Crowds, chaos and the curse of the bucket list: Overtourism has been a problem for at least 700 yearsAs mass tourism returns with a vengeance, cities like Rome struggle with overcrowding, unruly visitors, and mounting local resentment. The ...01 Jul, 2025, 10.46 AM IST
- Once considered a ‘nuisance’, seaweed grows into a $7.5-billion opportunity for IndiaThe world is developing an appetite for seaweed, a climate-friendly plant that can replace plastics & has uses in fuel, food and pharma sec...18 Oct, 2023, 01.55 PM IST
- Were raccoon dogs the source of Covid-19?Despite their name, raccoon dogs are not close relatives of raccoons.26 Mar, 2023, 09.39 AM IST
- Seafood biz braces for losses of jobs, fish due to sanctionsThe latest round of U.S. attempts to punish Russia for the invasion of Ukraine includes bans on imports of seafood, alcohol and diamonds. T...31 Mar, 2022, 11.42 AM IST
- Swiggy hires bankers for $1B IPO; women leaders remain rare in startupsThe SoftBank- and Prosus-backed firm, which has been planning a $1-billion IPO for some time, will soon join rival Zomato and other new-age...08 Mar, 2022, 06.51 PM IST
- What the future holds for the Coronavirus and usEven for a virus, evolution is a long game, and our relationship with SARS-CoV-2 is still in its infancy. We are extremely unlikely to erad...12 Oct, 2021, 10.33 AM IST
- Korea beyond Kimchi: Popularity of Korean food in India on the riseThis was kvass, a mildly fermented drink made from bread soaked in water that had all the appeal of mouldy smelling soda water.05 Oct, 2014, 01.08 PM IST
- UN panel on climate change presents gloomy picture for Asia in its fresh reportBoth India and China will have to see "negative impacts on aggregate wheat yields", impacting overall food security in the continent, a UN ...31 Mar, 2014, 10.19 AM IST
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