It is দ্বারা Lily Whiteman, National Science Foundation Date: 09 March 2011. Find it at Live Science link
China, which is currently producing some of the world's biggest buildings, dams, ports and casinos, is probably also producing the world's biggest jellyfish. Almost every summer since 2002, billions of giant jellyfish — each weighing a maximum of 450 pounds (204 kilograms), bearing a ঘণ্টা reaching almost 7 feet (2 meters) in diameter, and trailed দ্বারা a tangle of long, stinging tentacles — have floated daily into the Sea of Japan, wreaking havoc on the...
This প্রবন্ধ is দ্বারা Wynne Parry Date: 20 October 2010 and is reproduced verbatim from link
They [jellyfish] sting, even kill, swimmers. They block the cooling systems of power plants. They clog fishing nets and kill penned salmon.
In সাম্প্রতিক years, reports of havoc caused দ্বারা swarms of jellyfish have inspired speculation that these simple, otherworldly creatures are capitalizing on changes we have brought to ocean ecosystems.
Scientists are finding we could be jellyfish's potential benefactors. Overfishing relieves them of competition and predators. Nutrient-rich pollution can cause phytoplankton...
