The pancakes form when foam floating on a river or the sea freeze. These frozen chunks are then shaped by being rubbed against one another in eddies of water.
Scientists said the critically-endangered species had previously only been found in rivers and know pearl mussels have been discovered in the Scotland Lochs.
Environment agency Sepa said every part of the country had now reached some level of water scarcity. The weather conditions could last until early July and followed a drier than usual winter and spring. In May, Scotland only received 44% of its long-term average rainfall.
Maps and graphics show the extent of the devastating flooding caused by Hurricane Harvey in Houston and Texas.
Authorities warn 17ft of water could hit Lynchburg in Virginia in minutes if a dam overspills.
Scottish Water says storage levels at some sites are at 66% amid one of the driest summers in 160 years.
'Unprecedented numbers' of pink salmon were seen in 2017 and the fish have been spotted again this year.
They say the animal is currently near a lock at Vernon, about 70km (43 miles) north-west of Paris.Experts are puzzled as to why the animal has strayed so far south from its natural habitat.
Unusually heavy rains in Lapland have caused water levels to rise near flood levels, and further rises will depend on temperatures over the next few days, with climate change being a contributing factor.
The last time the water levels were this high in some places was in the late 1990s or early 2000s. According to the Finnish Environment Institute (Syke), floodwaters will likely spill onto fields and roads in parts of southern and western Finland, but not into buildings.
The sale of fishing permits has been suspended for two sites where water temperatures have risen to critically high levels, especially for salmon.
Heavier rains and aging distribution networks are triggering more cases of public water supply contamination. The local utility takes water from the Esse River for processing and distribution. Because of recent heavy rains and strong runoff, it contains an unusually high level of solid matter.
Emergency workers uncovered more than 1,500 bodies in the wreckage of Libya’s eastern city of Derna, and it was feared the toll could surpass 5,000 after floodwaters smashed through dams and washed away entire neighborhoods of the city.
Karen Dunmall, a biologist with Fisheries and Oceans Canada, said pink salmon normally prefer warmer waters than the Arctic has been able to provide. But with the Arctic warming at up to three times the rate of the rest of the world, its waters are becoming more approachable for newcomers like this species.
Emergency measures organization has issued advisories for Upper Liard, Carmacks and Ross River areas.
First trucks made week-long pitstop on river bank due to overflow on newly completed winter road. On the first attempt to cross the overflow, a truck’s front tires went through approximately eight inches and the vehicle had to be towed out, in the report. No one was hurt, and there was no damage done.
Southern Brazil is grappling with severe flooding, with further storms and heavy rains forecasted, causing widespread displacement and damage.
It happened Thursday night and into Friday morning, when the Crown corporation reduced the spill release from the Daisy Lake Reservoir into the river, stranding fish who had moved closer to the banks.
The Yukon Salmon Sub-Committee is recommending the complete cessation of fishing for Chinook salmon this year on the Yukon River.
New aerial footage appears to show thousands of dead fish at Lake Pamamaroo in the Menindee Lakes System, near Broken Hill, nine months after a mass fish kill event on the nearby banks of the Darling River.
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