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Tue, 02 Nov 2021
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Fish

Fish-killing virus sweeps Europe

Carp
© Creative Commons
Red koi abound at the pond of a shopping area of downtown Shanghai.
Vienna - Carp edema virus affects fish like carp, causing lethargy and eventual death. The disease originated in Asia and has now been detected in Austria.

The disease is also sometimes called koi sleepy disease. It is an infectious disease of fish, where they gravitate to the bottom of a pond or a river and display little movement.

Physiologically, the eyes of the fish become sunken, the skin undergoes flaking and the gills become swollen.If the swelling of the gills progresses then the fish dies through lack of oxygen.

The fish affected are mainly carp and koi. Carp is a general term for oily, freshwater fish including the silver carp, common carp and black carp.

Koi are a specific type of ornamental carp, which come in a variety of colors including white, black, red, yellow, blue, and cream.

The type of virus and how it reacts is still a mystery to virologists. It is thought that the infectious virus is related to the small-pox family (although it is not hazardous to humans). The case in Austria has allowed scientists to begin exploring the disease in more detail, using the latest molecular biology methods bolstered by electron micrography.

Info

Poachers slaughtering African elephants on an 'industrial scale': Study

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© Getty Images
Elephants stroll through Namibia's Etosha Park
Investigators who collected DNA from the tusks of slain elephants and painstakingly looked for matches in the vast African continent have identified two large areas where the slaughter has been occurring on an industrial scale, according to a study published on Thursday.

The two areas are Tanzania in the east and a cross-border region encompassing several nations in the central-western part of Africa.

Samuel Wasser, an author of the study published in the journal Science, said he hopes the study will focus law enforcement efforts and increase international pressure on host countries to crack down on poaching, but he acknowledged the challenge.

"You're literally asking them to police themselves," Wasser said in a telephone interview with The Associated Press. He suggested donor countries could demand more robust conservation efforts in exchange for development aid.

The big size of shipments of confiscated ivory from both regions - over half a ton - indicates the presence of transnational crime syndicates likely operating with corrupt authorities, said researchers who matched DNA from seized tusks to samples of elephant hair, tissue and dung from wildlife parks across Africa.

Bug

Plague of Astrakhan: Locust swarm blots out the sun in Russian region (VIDEO)

locust swarm
© Reuters / Victor Ruiz
Near-Biblical scenes are emerging from the Astrakhan region in southern Russia, which has been invaded by giant swarms of locusts. Local authorities have scrambled vehicles and aircraft to combat the infestation.

The voracious insects are migrating dozens of kilometers every day, consuming crops as they go. Parts of the region have been put on high emergency alert.


Locust swarms appear in the area nearly every year, finding fertile breeding grounds on abandoned farmlands. This year, dry weather has created a superabundance of the creatures. The swarms include locusts of different ages, some only able to crawl and hop, others already on the wing.

Local authorities are using airborne crop-sprayers to spread insecticide over the affected areas. Flying sometimes as low as five or seven meters, the Antonov An-2 plane has managed to treat some 5,000 hectares with chemicals - out of a total of 29,000 hectares affected.

Arrow Down

Sinkholes collapse roads in Susquehanna Valley, Pennsylvania

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Weather may be to blame for two sinkholes that collapsed Susquehanna Valley roads over the weekend and a partial house collapse.
York County

A big sinkhole has shut down part of a road in Carroll Township.

It opened along South Fileys Road at Big Oak Road.

The sinkhole is about 10 yards long and 5 yards wide.

There is no word on when repairs could be made.

Attention

Elephants kill villager in SW China

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Asian elephant
A villager was killed and his wife injured by wild Asian elephants while working in farmlands in southwest China's Yunnan Province, said local authorities on Monday.

Villagers found Zhao Si dead and his wife Ming Ba injured in their own croplands Sunday morning in Menghai County, Xishuangbanna Dai Autonomous Prefecture. The scene was chaotic with footprints of the wild animals.

The attack happened on Saturday. Ming Ba was buried in a collapsed shed in the croplands, which saved her from further attacks by the elephants. She was sent to a hospital for treatment.

The county forestry bureau has strengthened monitoring of the wild Asian elephants nearby.

There have been several attacks in Xishuangbanna, which is home to 250 to 300 wild elephants, in recent years. In 2012 and 2013, two women died in such attacks in the area.

Source: Xinhua News Agency

Bizarro Earth

U.S. Midwest battered by severe storms and tornadoes

Image
© AFP Photo / Jon Durr
Lighting strikes outside of Joliet, Illinois from a tornadic supercell that produced a tornado that struck Coral City on June 22, 2015 in Joliet, Illinois
The US Mid-West and Great Lakes region have been battered by severe storms. A tornado hit Coal City, some 60 miles (97km) southwest of Chicago, injuring seven people, while five people had to be rescued in the state of Michigan.


At least seven states were hit in all by the thunderstorms, with numerous houses damaged and trees uprooted. Videos captured of the hurricane-like conditions showed an almost apocalyptic scenario, with debris littering the roads.

Cloud Precipitation

Collapse of 123 trees due to showers in Mumbai is unnatural, say environmentalists

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© Rane Ashish
A 35-year-old tree was uprooted at Dadar during Friday’s downpour.
Saturday's rainfall caused the felling of 123 trees (including branches) across the city, causing experts and activists to worry about the unnaturally high numbers. Experts have condemned haphazard concretisation, trenching and hacking of branches of trees, activities which lead to such a high number of tree falls every monsoon.

The city experienced rainfall on Saturday as well, which was 10 per cent of the season's average. Apart from reports of parts of building slabs and plasters collapsing and short circuits, the city had hundreds of complaints of trees or their branches falling.

The Western suburbs recorded the highest number of tree or branches falling (71) (71), followed by the island city (36) and eastern suburbs (23). City experts have termed this high number within last 24 hours as unnatural, since not all the trees, which had fallen, were old or aging. Also, they are questioning how rain trees or even banyan trees, which are not known to fall in the monsoon, have been falling over the past five years, showing a changing trend.

Fire

Over 140 wildfires burn across Alaska: Fire in interior the largest recorded

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© Constantine Gregory
Wildfires continue to burn near Alaska Highway, Southwest Alaska
The Sockeye Fire and the Card Street Fire have been less aggressive over the weekend -- but fires are still threatening the Alaska Highway near Tok and burning wildlands across Southwest Alaska.

According to Department of Natural Resources spokesman Jim Schwarber, the Long Lake Fire -- roughly two miles south of Northway Village - is up to 9,000 acres in size, as of 11 a.m. Monday.

Smoke from these fires will be affecting visibility along the Alaska Highway between Tok and the Canadian border. Motorists are urged to drive with lights on and slow down when visibility is poor or firefighting equipment is present. Flaggers and pilot cars may be used when conditions call for their use in order to keep traffic moving safely through the area affected by the fire.

"This extremely fast-moving fire is currently heading southeast away from Northway and is six miles west of the Alaska Highway," fire officials wrote. "The Long Lake Fire and nearby Moose Creek Fire that started Friday afternoon quickly burned together. The Moose Lake Fire was 80 percent contained with dozer lines when the Long Lake Fire started nearby."


Umbrella

3 waterspouts seen offshore south of Phuket, Thailand

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Racha Yai Island
Three waterspouts, technically mini-tornadoes on water, threatened make landfall at Racha Yai island, about 25km south of Phuket, today (June 23).

Marcus Åkesson, PADI Instructor at Sea Fun Divers, was leading a dive tour at Racha Yai when he spotted the vortexes at about 11am.

Despite never witnessing firsthand what damage a waterspout can inflict, Mr Åkesson told The Phuket News that he did not feel that he was in danger.

"I was not worried at all. It felt so distant and slow moving," he said. "When it came closer, it started dissolving.

"I didn't see any damage from it. Never have. Today was the first time I have ever seen this weather phenomena."


No Entry

Invasive flatworm posing threat to local wildlife just made its way to Florida

new guinea flatworm

Invasive New Guinea flatworm
One of the world's most invasive species, the New Guinea flatworm, is on the move and has just invaded six new locations, including the continental U.S. — Florida — according to a new study.

The worm (Platydemus manokwari) is on the "100 worst invasive alien species" list, and is now newly located in New Caledonia, Singapore, the Solomon Islands, Puerto Rico and Florida, according to the study, which is published in PeerJ.

Although the snail lives on the ground, it is able to climb trees to follow and consume prey.

Jean-Lou Justine of the Sorbonne's National Museum of Natural History and his international team of colleagues identified the dreaded worm at the various sites based on observations, DNA sequencing and other techniques.

Because the worm feasts heavily on native mollusks, threatening their populations, the researchers write that "the newly reported presence of the species in mainland U.S. in Florida should be considered a potential major threat to the whole U.S. and even the Americas."