It lies between 75°27’ to 79°54’ east longitudes and 10°9’ to 13°30’ north latitudes. They include hydrocarbon exploration, smeltering of copper, zinc and aluminium, iron ore processing, … In … The river’s catchments, banks and riverbeds have to be conserved and restored. Nifty 13,601.10 134.8. To study the seasonal variations and spatial distributions of fall armywo Mains level: Key features about the region. During zero hour, Baalu said that DMK leader M K Stalin, during a visit of the delta area in 2019, had promised to convert it into a protected agriculture zone. The Cauvery basin extends over states of Tamil Nadu, Karnataka, Kerala and Union Territory of Puducherry draining an area of 81,155 Sq.km which is nearly 2.7% of the total geographical area of the country with a maximum length and width of about 560 km and 245 km. Over 20 years, a fall in the availability of water brought it down to two crops. The catchment area of Cauvery River has been calculated at 72,000 km2 or 27,700 square miles. Kuruvai (short-term crop) is cultivated in more than 5 lakh acres in the Cauvery Delta region, benefitting 15 lakh farmers. Kaveri (also known as Cauvery, the anglicized name) is an Indian river flowing through the states of Karnataka and Tamil Nadu. In the past four decades, the state’s dependence on Cauvery delta for food has fallen from 65% to 40%. Besides, data reveal that its capacity had reduced further to 1,889 MCM in 2015. 12.44 % Invest Now. Kaveri delta: Shrinking area and decreasing farm productivity hit south India's agricultural backbone. … In the tail-end areas of the delta, paddy cultivation has turned into a gamble because of salinity, flooding and scarcity of water. “In order to retain the identity of the Cauvery Delta as the granary, the officials should chalk out their plans in such a manner that paddy … If declared so, farmers hope that would overrule the chances of large-scale carbon extraction from the delta region as desired by the union government for the last decade. But it reflects a grave reality. The delta regions in Tiruvarur, Thanjavur, Pudukottai, Nagapattinam. Dams located in Kaveri and its feeders are reducing sediment flow to the delta, which otherwise helps maintain the critical elevation level from the sea. The Delta region covers Central Tamil Nadu and East-Central Tamil Nadu. The Grand Anaicut, called as Kallanai was built across the river Cauvery. The resolutions have been passed even as the Centre resolved recently to exempt oil and gas firms looking to carry out exploratory drilling from getting environmental clearance. FEATURED FUNDS ★★★ ★★ ICICI Prudential Bluechip Fund Direct-Growth. However, the area shrunk to … 17.75 % Invest Now. Photo by KA Shaji. The study titled Combating Climate Change: Vulnerability of Cauvery Delta, Wet Lands, Food Security and Livelihood Resilience, funded by the Indian Council of Social Science Research, said the built-up area (areas in the delta where construction has taken place) in Thanjavur, the largest agricultural delta district, has increased from 381 sq km in 1971 to 535 sq km in 2014. “The delta districts contribute a substantial portion of Tamil Nadu’s foodgrain requirement and any threat to the cropping pattern would destabilise the food security. During this election season the farmers of Kaveri delta are making another attempt to reach their issues to the national leaders. In the past couple of years, farmers from the Kaveri delta have been trying desperately to bring their issues into national attention. Like in the case of all other rivers, Kaveri also requires enhanced supply and it can be achieved by preventing pollution. Groundwater in Cauvery delta … By 2004, this was reduced to 1,994.2 MCM. Cauvery delta region will become desert, says DMK. • The Tamil Nadu Assembly has passed a bill declaring the Cauvery Delta Region a Protected Special Agriculture Zone. The survival concerns are turning more intense than ever before,” said Dhanapalan. “The subject of decades-long use and abuse by both Karnataka and Tamil Nadu, the river is in its deathbed,” lamented Swamimalai R Vimalnathan, general secretary of the Thanjavur District Kaveri Farmers’ Protection Association. Vodafone Idea 10.55 1.05. Chemical factories located in the close vicinity of the Stanley Reservoir in Mettur have been identified as major polluters of the river. Otherwise, we would contest and highlight the crisis being faced by the farmers of delta region at the national level,” he told Mongabay-India. Cauvery delta region News and Updates from The Economictimes.com. Efforts are also needed to replace water-intensive agriculture and industrial practices which presently killing the river. • The bill, moved by Chief Minister Edappadi Palaniswamy, provides for banning certain new industries in the region. FEATURED FUNDS ★★★★★ Mirae Asset Emerging Bluechip Fund Direct-Growth. An area of about 7500 km 2 covering Cauvery delta has been studied from airphotos (1:60,000), Landsats (1:250,000) and survey of India topographic sheets (1:50,000) with a view to delineate various landforms, soils, land use, hydromorphic units, drainage, and flood intensity of the delta. NSE Gainer-Large Cap . The support is based on the assurance from the alliance that it would declare the entire Kaveri delta region as a protected agricultural zone, a long pending demand of farmers. Mangrove cover is increasing due to seawater ingress in the coastal areas. In view of the proximity to the coastline, there was also the scope of seawater intrusion and such factors too made it pertinent to protect the region, he said. Earlier this month, Palaniswami had promised a special law to put into effect his announcement that the Cauvery Delta region will be converted into a Protected Special … In March 2018, farmers from the delta had rolled on to the scorching streets of Delhi with partly shaven heads and mustaches, seeking steps to resolve their grievances. 1.6.2 Drainage Area 42 1.6.3 Population 46 1.6.4 Tributaries of Cauvery 47 1.6.5 Unique Feature of Cauvery 47 1.6.6 Upper Anicut 47 1.6.7 Grand Anicut 48 1.6.8 The delta 48 1.6.9 Tailend Regulator 48 1.6.10 Rainfall 49 1.6.11 Soils 51 1.6.12 Development of Irrigation 52 . Now, no water flows into the Bay of Bengal at Poompuhar, the celebrated coastal town where the river meets the sea. Now the land in this region is at greater risk of submergence as a result of rising sea levels due to climate change. India at UNSC expresses serious concern over security situation in Sahel and Lake Chad region in West Africa, Why seaweeds need to be conserved urgently. It brings with it effluents from dyeing industries, leather tanneries and pulp and paper mills – large scale water-users and heavier polluters. Sediment flow to the Kaveri delta has been practically nil of late, as per a 2015 report by the Central Water Commission. In Trichy, they organised a march by holding dead rats in their mouths. This accounts for up to 30 per cent of the total area of Tamil Nadu. Calling the Cauvery delta “Tamil Nadu’s rice bowl” and declaring the districts of Thanjavur, Tiruvaur, Nagapattinam, Pudukottai, Cuddalore, Ariyalur, Karur and Trichy as part of the protected zone, CM Palaniswami also said, “Let me state that my government will never give consent for projects like hydrocarbon in these areas. The Kaveri Water Disputes Tribunal and the governments in Tamil Nadu and Karnataka are considering the river as a mere water channel. It is bounded by the … Maize (Zea mays; Poaceae) is an important stable food (17%) and fodder crop (61%) next to rice and wheat. In the downstream region, tens of small- and medium-scale chemical industries continue to discharge their effluents through natural drains and engineered canals into the Kaveri. Available data indicate that the mangrove cover has gone up nearly 14 times since 1971,” said Vimalnathan. Interestingly, there is a considerable increase of mangrove cover in the region. The Kaveri river rises at Talakaveri in the Brahmagiri range in the Western Ghats, Kodagu district of the state of Karnataka, at an elevation of 1,341 m above mean sea level and flows for about 800 km before its outfall into the Bay of Bengal. • They include hydrocarbon exploration, smeltering of copper, zinc and aluminium, iron ore processing, tanneries and ship breaking. With the union government having initiated a massive hydrocarbon extraction project in the delta region, unmindful of the environmental and livelihood concerns, farmers are turning hopeless of a better tomorrow. Credit: Water Resources Information System of India. It also accounts for a large part of the production of foodgrain and other agricultural produce in the state. Due to seawater ingress, the coastal portion of the delta region is witnessing a substantial rise in shrimp farming, which is detrimental to agricultural practice. About: Projects banned: The bill provides for banning certain new industries in the region. The Cauvery delta region, spread over about 28 lakh acres produced 33 lakh metric tonnes of food grains and farmers were continuing their work despite natural calamities like the deluge witnessed in 2017 and 2018, he noted. In the Cauvery Delta rice is the principal crop; ± it is either single or double-cropped. According to Janakarajan, the delta region witnessed a 13-fold increase in wastelands since 1971. Mongabay-India is an environmental science and conservation news service. (File) DMK members stalled proceedings and trooped into the aisle in the Lok Sabha Tuesday to press for a withdrawal of all hydrocarbon projects in the Cauvery delta area in Tamil Nadu. The plant has permission to draw 184 million litres per day (MLD) of river water. “It’s no more a dynamic life-giving system that created and promoted civilisations. The Cauvery Delta region is considered to be the rice bowl of Tamil Nadu. “The delta districts contribute a substantial portion of Tamil Nadu’s foodgrain requirement and any threat to the cropping pattern would destabilise the food security. “You may feel happy about the increase of mangrove cover. Subscribe now to get this month's one liner for FREE. While the delta is facing decrease in sediment deposit, the Mettur dam is facing water storage problems due to siltation. River Bhavani, a major tributary of the Kaveri joins it in Erode. The once-prosperous agricultural region is witnessing large-scale reduction in crop cover in recent years mainly due to lack of proper irrigation. But even the available water remains extremely contaminated causing irreparable damage to both soil and agriculture. Cauvery Delta region. This article was originally published on Mongabay.com. Key highlights: • The bill, moved by Chief Minister Edappadi Palaniswamy, provides for banning certain new industries in the region. Thanjavur(TN): All villages in the Cauvery delta region in Tamil Nadu passed resolutions opposing the Hydrocarbon exploration project at Grama Sabha meetings held on Sunday, revenue officials said. The water resources are receding and our once celebrated delta region is shrinking.”. Firstpost - All Rights Reserved. 5Y Return. Cuddalore Ariyalur, Tiruchirapalli and Karur would be converted into Protected Special Agriculture Zone The farmers and others have been demanding a protected zone for the Cauvery delta region for decades. The shrinking delta and its after-effects are now visible across Thanjavur, Tiruvarur, Nagapattinam, a part of Cuddalore district of Tamil Nadu and Karaikal region of Puducherry Union Territory. According to him, the delta region is shrinking fast with cultivable lands increasingly deteriorating into wastelands. Cauvery Delta zone has a total geographical ± land area of 1.45 million Ha which is equivalent 11% of the area of Tamil Nadu state. River Cauvery merges into Bay of Bengal to the South of Cuddalore. • The Tamil Nadu Assembly has passed a bill declaring the Cauvery Delta Region a Protected Special Agriculture Zone. The worsening economic vulnerability of the delta farmer itself is a clear indication of the sorry state of affairs. Photo by P Jeganathan / Wikimedia Commons. Lower course: After Kallanai the river breaks into a large number of distributaries and forms a network all over the delta. This article has been republished under the Creative Commons licence. Mass fish mortality is reported from the delta region regularly. Communities in the Cauvery delta are vulnerable to a number of water resources development issues that impact livelihoods, agricultural productivity, and food security. Downstream of Kallanai, the Kaveri river, among the most important rivers of south India, gives a poignant picture of large-scale encroachments and indiscriminate sand mining. It also accounts for a large part of the production of foodgrain and other agricultural produce in the state. Opposition against nod for hydrocarbon exploration. Earlier this month, Palaniswami had promised a special law to put into effect his announcement that the Cauvery Delta region will be converted into a Protected Special … 5Y Return. The Cauvery delta region, spread over about 28 lakh acres produced 33 lakh metric tonnes of food grains and farmers were continuing their work despite natural calamities like the deluge … Photo by Ricardo Martins / Wikimedia Commons. In most of the coastal portions of delta region, land is located at an elevation of merely a metre from the sea. Some others who took part in the Kisan Mukti march were seen carrying skulls of farmers from the delta, who committed suicide due to indebtedness. The delta's population of around 4.8 million heavily relies on farming and fishing. Based on his field level research, spread over three years, Janakarajan says that the delta shrunk already by 20 percent because of anthropogenic factors including diversion of land for non-agricultural purposes. Tamil Nadu Chief Minister K Palaniswami on Sunday said that eight Cauvery delta districts of Tamil Nadu including the rice bowl, Thanjavur, will be categorised as a special protected agricultural zone and assured that permission will not be given for hydrocarbon projects. “If the Prime Minister assures steps to solve the prevailing agrarian crisis before the elections, we all would withdraw from the contest. According to Ayyakannu, 110 other farmers from the drought-hit delta region will also contest against the Prime Minister in Varanasi, stressing the need for governmental support to make farming activities profitable. Located near Tiruchirapalli in Tamil Nadu, it was built across river Kaveri around 2,000 years ago by then king Karikala Chola to divert water to the delta region to boost irrigation and also to avoid loss of crops to floods. Today, the Cauvery Delta is no longer the major source of food for Tamil Nadu. The irrigated area is approximately 640,000 ha of which 564,000 ha is in the Cauvery delta. Question 3. The deltaic stage begins in the middle course. The Tamil Nadu Assembly has passed a bill declaring the Cauvery Delta Region a Protected Special Agriculture Zone (PSAZ). This in a once-fertile Cauvery delta, which until two decades ago was a three-crop region. Built in 1934, the dam used to have a storage capacity of 2,708.8 million cubic metres (MCM). The water wars between Karnataka and Tamil Nadu would end sooner or later as the river dries,” said Kaveri S Dhanapalan, president of Nagappattinam-based Kaveri Delta Farmers Association. Despite being one of the oldest water-regulator structures in the world that is still functional, the Kallanai dam or the Grand Anicut looks almost empty with not much water to regulate. Coal ash from the plant is often dumped up on a hill, from where it finds its way back to the river. Along with the imminent death of the river, Vimalnathan is pointing out another worrying factor that is threatening the very existence of this traditional ‘granary’ of Tamil Nadu. The number of farmers who keep their paddy fields fallow due to lack of water is increasing. Benchmarks . As the region accounting for 30 percent of the food grain production in Tamil Nadu, it is imperative that the crisis engulfing the region is resolved sooner rather than later,” says Dhanapalan. Tamil Nadu is blessed with 416 km of the 800 km long Kaveri and most parts of the river are running through the delta region. The delta is composed of mainly ancient channels, delta p ains, fossil islands, levees, beach … Get daily current affair video, detailed current affairs PPT for quick revision and Free One Liner PDF directly in your inbox. 1.6.13 Storage in the Cauvery Basin 53 1.7 The Cauvery Basin in TamilNadu 58 1.7.1 Extent 58 1.7.2 … I am a farmer, I will not let any project that … On another level, the grim situation has started affecting the livelihood resources of the thousands of farmers and farm workers,” said farmers’ leader Mannargudi S Ranganathan, who exhorts for movement to save the delta. “Now our agriculture is at the mercy of monsoon. The 2016-17 agricultural year was the first time in a century that the farmers of this once water-abundant region could not plant and harvest even … Periodic storm surges in the delta are also contributing to the frightening situation. While paddy cultivation is facing troubles, crops such as cotton, pulses, sugarcane, banana and vegetables are making significant inroads into the delta region. To substantiate his claim, Vimal Nathan quoted findings of a study by S Janakarajan, a retired faculty member with the Madras Institute of Development Studies (MIDS). According to Janakarajan, 72 percent of the low-lying land in Tamil Nadu falls under the delta region along the coast. … 03 Oct 2018 1:42 AM. “We need to build resilience in the face of complete destruction. Copyright © 2021. Further south, the industrial town of Salem discharges about 35 MLD of untreated sewage into the Kaveri through the Thirumanimuthar rivulet. Tamil Nadu’s Cauvery delta districts, where Cyclone Gaja swirled through, are picking up the pieces S. Ganesan November 24, 2018 20:12 IST Updated: November 24, … He also cited climate change as a contributing factor. 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