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Seals help Japanese researchers collect data under Antarctic ice

Published

2 years ago

wajahat

Seals help Japanese researchers collect data under Antarctic ice

Project leader said such research helps scientists trace the animals’ behavioural patterns and ecology.
Each seals had travelled as far as 633km (393 miles) from the coast of Japan’s Showa Station in Antarctica.
These seals were equipped with the head-mounted conductivity, temperature and depth sensor.

A seal wearing a helmet with an antenna might look unusual, but eight Weddell seals, each with a 580g monitoring device on their heads, have been helping Japanese researchers survey the waters under the thick ice sheet in Antarctica.

Tapped for a research project between March and November 2017 – winter in Antarctica – these seals were equipped with the head-mounted conductivity, temperature and depth sensor, which allows scientists to collect observation data, such as water temperatures and salt levels, in areas with extremely harsh environmental conditions.

Project leader Nobuo Kokubun said such research helps scientists trace the animals’ behavioural patterns and ecology.

“During the summer, we can go to Antarctica on icebreakers to conduct actual research activities, so that we can collect data there. But during the winter, such things cannot be done in so many places,” Kokubun said during an interview with Reuters on Friday.

“However, even in such a situation, many animals such as seals are living in the area of Antarctica, so I thought we should have them collect the data,” Kokubun added.

The data successfully gathered from seven seals showed one of them had travelled as far as 633km (393 miles) from the coast of Japan’s Showa Station in Antarctica, while another had descended to a depth of 700m (2,297 ft).

Kokubun said the scientists also learned from the data that warm seawater from the upper layer in the open sea reached Antarctica from March through winter that year. The water flowed below the ice, bringing in sea creatures like Antarctic krill, a major food source for seals.

Aiming to examine further the impact of global warming on Antarctic coastal areas, Kokubun next hopes to make the device small enough to fit on other animals at the South Pole such as penguins.

“The advantage with penguins is that they come back to the same place and we can collect the data from them immediately. Also, we can use the devices on a large number of penguins so they can cover a wide area,” he said.

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The PML-N Punjab chapter convenes today to discuss organizational issues.

Published

2 hours ago

Farwa

Former prime minister and leader of the Pakistan Muslim League-Nawaz (PML-N), Nawaz Sharif, has called a meeting of the PML-N Punjab chapter for today (Friday).

The conference was called by PML-N chief Nawaz Sharif, who reportedly gave the president of the party’s Punjab chapter, Rana Sanaullah, a call to call a meeting of the party’s provincial officials.

Nawaz Sharif is now visiting China.

According to sources, Nawaz Sharif’s leadership role and organizational issues inside the PML-N Punjab would be discussed at the meeting. The meeting’s agenda may also include discussions about the possible growth of the federal and Punjabi cabinets.

According to other sources, Nawaz Sharif gave Rana Sanaullah instructions to gather information on political and organizational positions in Punjab as well as to revitalize the party at the local level.

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Punjab Assembly session: Committee on wheat imports is formed by the speaker

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2 hours ago

Farwa

During the caretaker government, three members of a committee were appointed by Punjab Assembly Speaker Malik Muhammad Ahmad Khan to investigate the import of wheat.

Both sides of the wheat procurement controversy engaged in a fierce debate yesterday during the Punjab Assembly session.

A detailed examination into wheat imports during the caretaker government was required by the legislators, who sharply criticized the government’s wheat strategy.

According to the MPAs, the food minister did not develop any policies for obtaining wheat.

Regarding the wheat procurement problem, the opposition is probably going to hold a protest in the house today, Friday.

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Saad Rafiq: Ali Amin Gandapur’s threat to storm Islamabad is a major issue.

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2 hours ago

Farwa

Ali Amin Gandapur, the chief minister of Khyber Pakhtunkhwa, has threatened to storm Islamabad, according to Khawaja Saad Rafique, a former minister and leader of the Pakistan Muslim League-Nawaz (PML-N). This is a very serious situation.

Pakistan Tehreek-e-Insaf’s Khyber Pakhtunkhwa administration has reportedly launched attacks on the federal capital in the past in an attempt to seize Islamabad, according to Saad Rafiq on the social media platform X (previously Twitter).

“However, PTI got nothing and it resulted in creating chaos, hatred and economic destruction,” he continued.

He added, “If the anarchists attack Islamabad to occupy it this time too, it will become impossible for them to return as rulers.”

According to the leader of the PML-N, fascist behavior will no longer be accepted, and the dirty politics of violence, fire, and ransacking will no longer be effective.

The PTI, he said, has to act rationally and refrain from inciting another May 9.