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Only six out of India’s 22 river basins are climate resilient: IIT-Guwahati Study

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Brahmaputra River

By Umashankar Mishra

Only 6 river basins including Brahmaputra, Indus, Pennar were able to sustain their primary productivity by increasing water use efficiency during drought

New Delhi: Climate change remains a matter of concern globally. A new study by Indian researchers has shown that only 6 out of 22 river basins in the country have the potential to cope with the threat of climate change, particularly droughts.

This means nearly two-thirds of India’s terrestrial ecosystems are not resilient to drought. Central India has been found to be the most vulnerable to climate change. Parts of northwestern, northeastern and southern India appear to be resilient to cope with droughts while the rest of the country is non-resilient, says the study done by researchers at the Indian Institute of Technology, Guwahati.

“We evaluated the ecosystem resilience in terms of the capability of an ecosystem to maintain its productivity during hydroclimatic disturbances,” lead researcher Dr Manish Goyal said while speaking to India Science Wire.

“Only six river basins- Brahmaputra, Indus, Pennar, west flowing rivers of Kutch and Saurashtra including Luni basin, east flowing rivers between Krishna and Pennar basins and east flowing rivers between Pennar and Cauvery basin were able to sustain their primary productivity by increasing the water use efficiency under driest years,” Goyal said.

Researchers compared response of river basin systems to water stress at different levels such as river basins, land covers, and climate types. They have developed an ecosystem resilience map of India using high resolution remote sensing satellite data for 22 main river basins. The data productivity of a river basin and evapo-transpiration was obtained from NASA’s MODIS satellite and studied along with rainfall data from the India Meteorological Department.

Drastic reduction in water use efficiency under driest conditions was observed for some basins, which highlights their inability to cope with climate change. Low primary productivity can distort the balance of ecosystem and its resistance to fight drought. “The inability of ecosystems at different scales to tolerate water-limited conditions may pose a serious challenge in terms of crop production and food security,” Goyal added.

Only two types of forests – evergreen needle-leaf forest and evergreen broadleaf forest – were found to be resilient at land-cover scale. The presence of such forests in the Brahmaputra basin could be the reason for its resilience. However, forests in some parts of Western Ghats and central India were found more vulnerable to climate change. Ganga basin, the most populous and agriculturally important basin, was also found slightly non-resilient.

“It is clear that forests have higher resilience to withstand the climatic disturbances. The deforestation activities, in the name of economic development and expansion of agriculture, will result in making country more vulnerable to climate change”, researchers said.

The research team also included Ashutosh Sharma. The  study has appeared in journal Global Change Biology.

(This article is from an auto-generated syndicated feed provided by the India Science Wire)

India News

Anna University sexual assault case: BJP shares accused photo with Udhayanidhi Stalin, DMK responds

DMK spokesperson A Saravanan said that no matter who did the wrong, the Tamil Nadu police will take action. He claimed that those who cannot shake the DMK politically continue to spread false allegations that law and order have deteriorated.

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Anna University sexual assault case: BJP shares accused photo with Udhayanidhi Stalin, DMK responds

The BJP on Thursday alleged that the accused arrested for the alleged sexual assault of a 19-year-old Anna University student in Chennai is a repeat offender and a DMK functionary.

37-year-old Gnanasekaran of Kottur, who ran a biryani stall near the Anna University campus, was arrested by the Tamil Nadu Police. Reportedly, the accused entered the university campus, thrashed the second-year engineering student’s male friend, and then dragged her into a bush before sexually assaulting her.

This incident taking place inside the campus of a renowned university has sparked a debate, protest, and a political tussle over the safety of women in the state. Taking to X, BJP state president K Annamalai shared a picture of deputy chief minister Udhayanidhi Stalin and other DMK leaders with the alleged accused. He claimed that a clear pattern emerges from the number of such cases in the past, noting that a criminal gets closely linked to local DMK functionaries and then becomes a member of the party.

He further said that all the cases registered against the accused get suppressed, and he gets leeway by not being categorised as a history-sheeter or kept on the watchlist of the local police station.

K Annamalai also alleged that police do not investigate the existing cases against him due to the pressure from the local DMK leaders and ministers, which allows him to commit further crimes. He further questioned how long should the people of Tamil Nadu put up to this, and will MK Stalin ever take responsibility.

Reacting to the allegation, DMK spokesperson A Saravanan told a news publication that a picture with the party leader does not imply culpability of the party. He added that the accused has been arrested, and he cannot escape justice from the DMK government.

Later, in a social media post, Saravanan said that no matter who did the wrong, the Tamil Nadu police will take action. He claimed that those who cannot shake the DMK politically continue to spread false allegations that law and order have deteriorated.

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Man attempting to cross India-Pakistan border in Rajasthan shot dead by BSF personnel

“We are investigating the case under these acts,” he added.

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Border Security Force (BSF) personnel shot and killed an individual attempting to cross the India-Pakistan border in the Ganganagar district of Rajasthan late on Tuesday, according to police.

Jitendra Kumar, the station house officer at Kesrisinghpur police station, stated that the man was trying to breach the barbed wire fence when he was spotted by BSF personnel. “They advised him to leave the area, but when he continued to advance, the BSF personnel shot him,” said the SHO.

Sriganganagar Superintendent of Police Gaurav Yadav confirmed that the suspect was allegedly trying to enter Indian territory around midnight on December 24, 2024. Despite warnings from the BSF soldiers, he did not heed their calls, which resulted in the shooting.

The incident occurred near a village in the Kesarisinghpur area. Items recovered from the intruder included Pakistani currency notes, a cigarette packet, an identity card, and other belongings. Authorities are currently gathering more information about him.

Ongoing discussions are taking place between the armed forces and police officers regarding the incident. An FIR has been filed that includes charges of trespassing and violations of the Passports Act and the Foreigners Act, according to Kumar. “We are investigating the case under these acts,” he added.

This incident is one of several similar occurrences along the border. In August, the BSF apprehended an intruder named Jagsi Kohli, who had entered about 15 kilometers into Indian territory in Barmer after locals alerted authorities that he was asking for directions to Tharparkar, a district in Pakistan’s Sindh province.

In March of this year, another person attempting to cross the border in Ganganagar was shot by BSF personnel. There have been additional incidents reported in October 2022 and twice in March 2021, all resulting in fatalities among the intruders.

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Amit Shah, JP Nadda, Chandrababu Naidu among leaders at NDA meet in Delhi amid Ambedkar row

The alliance had decided to convene on the birthday of the late BJP leader, noted for successfully leading the first coalition government to complete its term.

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Union Home Minister Amit Shah, BJP chief J.P. Nadda and Telugu Desam Party (TDP) president and Andhra Pradesh Chief Minister Chandrababu Naidu among leaders of the NDA met in New Delhi on Wednesday to discuss different issues including Shah’s comment on BR Ambedkar days ago in Rajya Sabha.

In attendance, apart from Shah, Nadda and Naidu, JD-U leader and Union minister Rajiv Ranjan Singh, Apna Dal (S) president and Union minister Anupriya Patel, as well as JD (S) leader and Union minister H.D. Kumaraswamy were present.

Also present were Jitan Ram Manjhi, leader of Bihar’s Hindustani Awam Morcha (S) and a minister in the Modi government, Rashtriya Lok Morcha (RLM) president Upendra Kushwaha, a Rajya Sabha MP, and Thushar Vellappally, president of Bharath Dharma Jana Sena.

While the specific agenda of the meeting was not officially disclosed, sources indicated that discussions revolved around good governance and various political issues—principles that were central to Vajpayee’s tenure as Prime Minister. The alliance had decided to convene on the birthday of the late BJP leader, noted for successfully leading the first coalition government to complete its term.

Following the meeting, Nadda shared on X, “Attended the NDA leaders’ meeting in New Delhi today. Under the visionary leadership of PM Narendra Modi, India is achieving unprecedented milestones and has positioned itself as a global superpower. The NDA government remains committed to realizing the vision of ‘Viksit Bharat@2047’, ensuring a brighter and more prosperous future for all.”

Sanjay Nishad, chief of the NISHAD Party in Uttar Pradesh, described the meeting as “informal” and focused on Vajpayee’s legacy. He emphasised the importance of unity among all alliance members heading into future elections, mentioning that they congratulated the BJP leaders for their electoral victories in Haryana and Maharashtra.

Nishad further outlined that the meeting addressed coalition strategies to ensure that Prime Minister Modi’s initiatives effectively reach the populace and that electoral promises are fulfilled. He raised the topic of providing reservations for the fishing community, stating, “I presented evidence on this issue, as it was a poll promise. They will follow up with us next week to discuss it.”

Responding to inquiries about whether Amit Shah’s controversial remarks on Ambedkar were discussed, Nishad said, “We are here for the welfare of the people. Our energy should focus on achieving success in that area, rather than engaging with negativity from opposition parties.”

The NDA meeting underscores the alliance’s commitment to the proposed simultaneous elections, with all members backing the initiative. A Joint Committee of Parliament, established to review two bills related to simultaneous polls, is set to convene on January 8.

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