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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

Manipur: Congress hits back at BJP chief Nadda’s letter to Kharge

Ramesh emphasised that Nadda’s letter is replete with inaccuracies and reiterated that the people of Manipur long for normalcy, peace, and harmony.

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The Congress on Friday lashed out at BJP president JP Nadda’s accusations that the Opposition party was promoting a politically motivated narrative concerning the situation in Manipur.

The grand old party described Nadda’s letter to Congress chief Mallikarjun Kharge as a 4D exercise, which means denial, distortion, distraction, and defamation.

Nadda, responding to Kharge’s call for President Droupadi Murmu’s intervention and his claims of the Centre’s total failure in managing the crisis, claimed that the consequences of Congress’s “abject failure” in handling local issues in Manipur during its governance are still being felt today.

Responding to Nadda, Congress General Secretary for Communications Jairam Ramesh stated, “Congress President Kharge ji wrote to the President of India on Manipur. Apparently, to counter that letter, the BJP President has now written to the Congress President.”

Ramesh emphasised that Nadda’s letter is replete with inaccuracies and reiterated that the people of Manipur long for normalcy, peace, and harmony.

He noted that they are posed with four critical questions: When will the Prime Minister visit the state? How much longer will the Chief Minister remain in office despite lacking majority support? When will a full-time Governor be appointed? And when will the Union Home Minister be held accountable for his failures in Manipur?

Nadda expressed astonishment at the Congress’s ongoing efforts to sensationalize the situation in Manipur, pointing out that Kharge appeared to overlook the fact that his party’s past government had legitimized the illegal migration of foreign militants to India, during which former Home Minister P Chidambaram had signed relevant treaties.

On Tuesday, Kharge had written to President Murmu regarding the worsening conditions in Manipur, requesting her immediate intervention to ensure that the citizens of the state can live peacefully and with dignity.

In his two-page letter, Kharge accused both the Union and Manipur state governments of “completely failing” to restore peace and normalcy over the past 18 months, resulting in a loss of public confidence in their leadership.

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Rahul Gandhi is right, Gautam Adani should be arrested: RJD president Lalu Yadav

“Rahul Gandhi is right. Adani should be arrested,” said Prasad, who is an old ally of the Congress and a staunch opponent of the BJP, to which Adani is said to be close.

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RJD president Lalu Prasad Yadav on Friday spoke in support of Congress leader Rahul Gandhi’s demand for immediate arrest of Gautam Adani, after the Industrialist was charged in the US for alleged bribery and fraud.

Gandhi, the Leader of Opposition in the Lok Sabha, said on Thursday that Gautam Adani should be arrested immediately, and his protector Madhabi Puri Buch should be investigated

The former Congress chief claimed that the recent developments vindicate his long-standing allegations against Gautam Adani. He took a sharp dig at Prime Minister Narendra Modi and alleged that Modi is protecting Adani, and is also involved in corruption. 

Yadav, the former chief minister of Bihar, was responding to queries from journalists here about Gandhi’s statement on the previous day, in the backdrop of charges of bribery and fraud against the Adani group in the US.

“Rahul Gandhi is right. Adani should be arrested,” said Prasad, who is an old ally of the Congress and a staunch opponent of the BJP, to which Adani is said to be close.

The RJD supremo, who incidentally has been convicted in several fodder scam cases and is on bail, was also asked about prospects of the INDIA bloc, of which his party is a part, in Jharkhand, where the counting of votes for assembly polls is scheduled on Saturday.

Speaking to PTI, the ailing septuagenarian replied, “I would like to remain focused on my statement that Adani must be arrested. I am not worried much about a new government (in Jharkhand) where we are already in power.” Jharkhand witnessed a straight battle between the INDIA bloc and the BJP-led NDA, which included the JD(U) headed by Nitish Kumar, Prasad’s arch-rival and the current Chief Minister of Bihar.

Addressing a press conference on Thursday, Gandhi further said that Chief Ministers have been jailed for scams of Rs 10-15 crore, but Adani, who has committed a scam of Rs 2000 crore is walking free.

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Cash for votes row: BJP leader Vinod Tawde sends legal notice to Rahul Gandhi, Mallikarjun Kharge, asks them to apologise or face defamation

The BJP leader said the allegations against him were false, baseless and made with malafide intentions.

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Cash for votes row: BJP leader Vinod Tawde sends legal notice to Rahul Gandhi, Mallikarjun Kharge, asks them to apologise or face defamation

BJP leader Vinod Tawde, accused of distributing cash to influence voters, has sent a legal notice to Congress leaders Mallikarjun Kharge, Supriya Shrinate and Rahul Gandhi over the controversy. The BJP leader has demanded their apologies or face a Rs 100-crore defamation case.

Vinod Tawde’s legal notice came after regional party Bahujan Vikas Aghadi (BVA) leader Hitendra Thakur on Tuesday accused him of distributing Rs 5 crore at a hotel in Virar in Palghar district, 60 km from Mumbai, to woo voters.

In the legal notice, the BJP leader said the allegations against him were false, baseless and made with malafide intentions. He claimed that he demanded an apology from the three Congress leaders for their remarks against him in the cash-for-votes row or he would be forced to initiate criminal proceedings against them.

Just a few hours before the Assembly Elections, a video went viral on Tuesday showing BVA workers storming into the hotel in Palghar during a meeting between Vinod Tawde and Rajan Naik, the BJP candidate from the Nalasopara seat. The BVA workers alleged that Tawde was caught red-handed with Rs 5 crore cash.

In the viral video, the BVA workers were seen taking out bundles of cash from a bag, while Tawde was sitting at a distance. The BVA workers also took pictures and videos of him on their phones. Amid these allegations, BVA leaders said that Rs 5 crore cash was distributed, an election official on Tuesday said Rs 9.93 lakh cash was recovered from the hotel rooms.

However, Vinod Tawde denied the allegation, saying he was only providing guidance to party workers on poll procedures and said he was not stupid enough to distribute money at his opponent’s hotel. Speaking to the media, he said that the Vivanta Hotel is owned by the Thakurs, and he is not stupid to go to their hotel and distribute money there.

The Police registered two FIRs against Tawde, BJP candidate Naik and others in connection with the controversy. Additionally, the Election Commission filed three FIRs against Tawde.

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