Thú

Thành ma thiệt rồi.

Freya the walrus euthanised
https://www.theguardian.com/environm...-in-oslo-fjord

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Officials had previously said they were considering euthanasia because repeated appeals to the public to keep their distance from the young female weighing 600kg (1,300lb) had been in vain.

Despite repeated appeals, curious onlookers continued to approach her, sometimes with children in tow, to take photographs.

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Sao không dựng bức tường hay hàng rào ngăn người ta tới gần? Hay là dụ chị ấy đi chỗ khác nằm?

Trăm năm trong cõi người ta
Chữ người chữ vật khéo là ghét nhau
(Đoạ trường tân thanh)

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Originally Posted by ốc

Sao không dựng bức tường hay hàng rào ngăn người ta tới gần? Hay là dụ chị ấy đi chỗ khác nằm?

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Lấy đâu ra mê hi cô bắt giả tiền.

Điều này ứng với đoạn nào của sấm? Formosa made in Poland, Germany?

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Mysterious mass fish kill in Oder River: Climate change or poison?

After Polish anglers removed tons of dead fish from the Oder River bordering Germany, the die-off has been labeled an "ecological disaster." But what's to blame?

https://static.dw.com/image/62809971_401.jpg
Thousands of dead fish are being collected on the River Oder

Experts are still trying to determine the cause of death of thousands of fish last week in the Oder River that borders Germany and Poland, this time in the vicinity of the eastern city of Frankfurt (Oder).

The reports came just two weeks after Polish anglers reported removing tons of dead fish from the Oder near the town of Olawa, about 300 kilometers (186 miles) upstream from the more recent fish die-off.

At the time of the reports in Poland, water authorities based in the nearby Polish city of Wroclaw detected a toxic substance in two locations on the Oder that is likely the solvent mesitylene, which is known to have a harmful effect on fish. However, subsequent tests have shown no trace of the substance.

Mercury was also identified as a potential culprit for the more recent die-off. But Polish Environment Minister Anna Moskwa said on Sunday that "completed fish tests for mercury and heavy metals" proved to be negative. Lab tests did show high levels of salinity in the water.

Local authorities have warned residents, along with their pets and livestock, not to touch the river water.

Still no proof of poison

While German and Polish authorities believe contamination is the cause of the die-off, political leaders who met on Sunday said water tests gave no definitive proof of high toxicity in the river.

"As of today, none of these tests have confirmed the presence of toxic substances," Anna Moskwa said after meeting with German Environment Minister Steffi Lemke on Sunday in Szczecin, a city in north-west Poland.

A joint taskforce looking into the cause of the mass fish die-off was also announced at the meeting.

Tests for pesticides and around 300 other substances are also being conducted, the Polish environment minister said.

"We still do not exclude a variant of the toxic substances," she added. "We are checking entities which run business and industrial activity along the river."

Meanwhile, no fish carcasses have yet been sighted downstream in the state of Mecklenburg-Vorpommern on the German Baltic coast, officials said.

This follows reports that oil booms will be placed in the Szczecin Lagoon, fed from the Oder, to prevent the dead fish from entering the Baltic Sea.


https://static.dw.com/image/62790443_7.png
The River Oder runs though the Czech Republic, Poland and Germany

Heat and drought could be factors

Christian Wolter, researcher at the department of fish biology, fisheries and aquaculture at the Leibniz Institute of Freshwater Ecology and Inland Fisheries, said the problems on the Oder may run deeper.

Fish in the river are struggling, he said, due to lower oxygen levels caused by historically low water levels (a trend since 2018) and high water temperatures of around 25 degrees Celsius (77 Fahrenheit).

"When fish are stressed, respiration goes up," he said, meaning aquatic life needs more oxygen.

This situation has been exacerbated by ongoing discharges of wastewater into the Oder.

"This is legal and usually wouldn't matter," Wolter explained. "But with low water levels you get a higher concentration of [oxygen consuming] salt and organic material."

Added to the mix is work on the Polish side of the Oder building groins — rigid structures created with rock, soil and gravel to prevent erosion. This has increased sediment, which also reduces oxygen levels in already shallow water, Wolter said.

This contradicts reports from water authorities that higher oxygen levels have been detected in the river, which could be linked to the concentration of mesitylene. Yet there are no measurable high toxic levels to back this claim, according to Wolter, adding that water oxygen levels always vary throughout the day.

The fisheries researcher believes it is less likely that mesitylene contamination killed the fish found this week downstream from Olawa since it already would have dissipated.

"If it was released by an accident at the end of July, it should have passed Frankfurt much earlier," he said of the toxic solvent.

Meanwhile, local anglers told Wolter that fish die-offs were observed further upstream from Olawa as early as March. This suggests a deeper and more widespread problem than a single contamination event in late July.

Wolter also noted that floodplains in the area have been overly drained in recent decades, causing much drier and stressed river systems.


Polish Greens decry lack of action

Lawmaker Malgorzata Tracz from the Polish Green Party told DW that despite alerting authorities about the ecological catastrophe on the Oder, Polish government institutions did not even warn residents that they should not touch the river water.

She said that around eight tons of fish were found near Olawa alone. "The problem is huge," she said. "It is not something that can be ignored or that will be overcome on its own."

The local fishing community "are terrified by the situation," she noted, saying that anglers have been most vocal on the issue in Poland due to the lack of support from public institutions.

Tracz has written emails to local and federal water and environmental agencies and ministries asking them to investigate the source of the contamination, and to "punish the people that did it."

So far, she has received no response, despite what she described as "an environmental disaster."

Tracz said that "there are many theories" about the cause of the fish kill and wants an in-depth investigation.

https://static.dw.com/image/62779794_401.jpg
Polish anglers who rely on the Oder 'are terrified by the situation'

German campaigners demand water protection

German environment groups are blaming insufficient water conservation measures for the die-off, as well as a lack of cross-border cooperation on the frontier river that crosses the Czech Republic, Poland and Germany.

"This ecological catastrophe would not have been of such magnitude if the German and Polish authorities had worked together more intensively," said Antje von Broock, managing director of the German Association for the Environment and Nature Conservation (BUND), adding that targeted warnings should have been put in place.

"Dead fish have been floating on the Oder since the end of July, now over a distance of several hundred kilometers," she said in a statement.

A "diverse and healthy ecosystem" could better resist toxic substances in the river, if they were responsible for the die-off, von Broock added.

"The fish kill is therefore also a symptom of decades of poor planning in water management and chronic underfunding of water protection."

Both BUND and Malgorzata Tracz said the International Commission for the Protection of the Oder, a joint agreement between Poland, the Czech Republic and Germany to protect one of Europe's more pristine waterways, needed to be upheld.



/* src.: https://www.dw.com/en/mysterious-mas...son/a-62784099

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Điều này ứng với đoạn nào của sấm?

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Chắc là đoạn nói về global warming:

Chừng nào cá nổi sông chìm
Đồng khô hồ cạn là điềm xấu nha
Mười phần khí thải còn ba
Xe hai còn một may ra vãn hồi…

Hôm trước đọc thấy tin sông Rhine một dải nông sờ, cũng do khí hậu bị gia tốc nóng, xong gia tốc luôn nhiệt độ nước sông khắp mọi nơi.

Rhine water levels fall to new low
https://www.theguardian.com/world/20...levels-new-low

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Environmentalists also voiced concerns over the toll of high water temperatures on the environment.

“We are having far too high water temperatures, which is having a toxic effect on the Rhine’s inhabitants, on fishes, on the entire ecosystem”, the climatologist Karsten Brandt told Der Spiegel.

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Originally Posted by ốc

Chắc là đoạn nói về global warming:

Chừng nào cá nổi sông chìm
Đồng khô hồ cạn là điềm xấu nha
Mười phần khí thải còn ba
Xe hai còn một may ra vãn hồi…

Hôm trước đọc thấy tin sông Rhine một dải nông sờ, cũng do khí hậu bị gia tốc nóng, xong gia tốc luôn nhiệt độ nước sông khắp mọi nơi.

Rhine water levels fall to new low
https://www.theguardian.com/world/20...levels-new-low

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Nước sông Rhine có nơi (Emmerich) đã cạn rồi chắc bỏ thuyền chuyển qua thồ hàng bằng xe ngựa cho nó lành.

Khô cạn như vậy thì lo sắm lạc đà mới thích nghi với môi trường sa mạc Âu châu.

Sài gòn thì lại ưa bị lụt, bà con bển chắc cũng rục rịch lo sắm ghe.

Hạn khôn bằng ngựa lụt khôn bằng thuyền.

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Originally Posted by ốc

Khô cạn như vậy thì lo sắm lạc đà mới thích nghi với môi trường sa mạc Âu châu.

Sài gòn thì lại ưa bị lụt, bà con bển chắc cũng rục rịch lo sắm ghe.

Hạn khôn bằng ngựa lụt khôn bằng thuyền.

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Lạc đà mắc đi gánh dầu từ Trung Đông qua rồi. Không có rảnh.

Ve “sầu”:

French heatwave silences cicadas of Provence
https://www.theguardian.com/world/20...as-of-provence

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The famous cicadas of Provence, whose familiar callhas marked summer for millennia, have gone quiet.

Experts say it is a result of the heatwave in which temperatures across Europe have broken historical records.

Specialists have said that if the increase in summer temperatures is permanent, the Provençal cicadas could move on elsewhere.

According to Provençal folklore, the cicada was sent by God to rouse working locals from their afternoon siestas to stop them being too indolent.

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Tôi nghe hắt hiu từ nước sông ngắt tạnh
Còn ve buồn tự tử giữa đêm sương
Bầy cá cũ cũng qua đời lặng lẽ
Em ở đó bờ sông còn ẩm cát?
Cơn nóng dài thiếu mãi một âm quen
(Trên ngọn ve sầu)

Quái vật: cá lớn nuốt cá không bé

Ancient megalodon shark
https://www.theguardian.com/environm...earch-suggests

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A giant shark that roamed the oceans millions of years ago could have devoured a creature the size of a killer whale in just five bites, research suggests.

At around 50ft (16 metres) from nose to tail, the megalodon was longer than a bus, according to the study in the​ journal Science Advances. That’s about two to three times the size of today’s great white shark.

The megalodon’s gaping jaw allowed it to feed on other big creatures. Once it filled its massive stomach, it could roam the oceans for months at a time, the researchers

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Nam hoa kinh của Trang tử cũng có nhắc tới con cá bự chảng, gọi là cá côn, mình dài mấy ngàn dặm.

https://www.youtube.com/watch?v=FovnKIV3VD0

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Originally Posted by ốc

Nam hoa kinh của Trang tử cũng có nhắc tới con cá bự chảng, gọi là cá côn, mình dài mấy ngàn dặm.

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Hèn gì bà Triệu nhà mình thời "thế kỷ thứ một" cũng có nick name nè. Triệu Ẩu, chắc vì ít mặc coọc-xê. Nghe sử sách đồn vú bà Triệu dài tới 3 thước.