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GS Paper: GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.

  • Is Project Cheetah failing?

    cheetah

    Following the death of three cheetah cubs this week, the Centre has appointed a new steering committee, comprising national and international experts, to oversee the implementation of Project Cheetah.

    What is Project Cheetah?

    • After being reported extinct in India for seven decades, the cheetah is set to make a comeback through ‘Project Cheetah’.
    • The Government of India reintroduced eight African cheetahs, consisting of five females and three males, at the Kuno National Park in Madhya Pradesh.

    Origin and Approval of Project Cheetah

    • Project Cheetah received approval from the Supreme Court of India in January 2020 as a pilot program to reintroduce the cheetah species to the country.
    • The initiative was first proposed in 2009 by Indian conservationists in collaboration with the Cheetah Conservation Fund (CCF), a non-profit organization headquartered in Namibia.
    • The CCF is dedicated to the preservation and rehabilitation of cheetahs in their natural habitats.

    Chronology of events

    • Medieval times: During the Mughal Period, they were extensively used for hunting, and Emperor Akbar owned a menagerie of 1,000 cheetahs. Various states in Central India, particularly Gwalior, had cheetahs for a long time.
    • 1947: The country’s last three surviving cheetahs were shot by Maharaja Ramanuj Pratap Singh, the ruler of a small princely state in Chhattisgarh. India’s last spotted cheetah died in the Sal forests of Chhattisgarh’s Koriya district in 1948, leading to the animal’s official extinction in India in 1952.
    • 1970s: The first concrete efforts to reintroduce the cheetah began in the 1970s during talks with Iran’s Shah Muhammad Reza Pahlavi. The plan involved swapping India’s Asiatic lions for Iran’s Asiatic cheetahs.
    • 2009: Another attempt was made to acquire Iranian cheetahs, but it was unsuccessful as Iran did not permit the cloning or export of its cheetahs.
    • 2012: The reintroduction project was halted in 2012 when the Supreme Court ordered a stay on it.
    • 2020: In 2020, South African experts surveyed four potential reintroduction sites: Kuno-Palpur, Nauradehi Wildlife Sanctuary, Gandhi Sagar Wildlife Sanctuary, and Madhav National Park.

    Basis of recent translocation

    • Coexistence approach: India’s approach is unique as it aims to reintroduce the cheetah in an unfenced protected area using a coexistence approach.
    • Fenced protection: Fencing has been successful in other countries but limits population growth and range.
    • Perfect breeding area selection: Kuno NP’s core conservation area is largely free of human-made threats.

    Various challenges

    • Retaliatory killing: Anthropogenic threats like snaring for bush meat and retaliatory killings pose risks to the cheetahs.
    • Fencing issues: Maintaining cheetahs and their prey base in an enclosure is considered impossible.
    • Habitation stress: Captivity and changes in habitat induce anxiety and stress, hindering reproduction.
    • Acclimatization issues: The climate, prey species, and overall conditions in Kuno forest may not stimulate mating and reproduction.
    • Prolonged captivity: Concerns are raised about the prolonged captivity of cheetahs before translocation, which may have increased stress and vulnerability.

    Is the project a failure?

    (1) Understanding adaptation challenges

    • The deaths among cheetahs must be considered in light of their natural lifespan and the difficulties they face in adapting to Indian conditions.
    • Daksha, a female cheetah, died from injuries sustained during a violent mating attempt by two males, which aligns with known predator behavior.

    (2) Immediate assessment is an absurdity

    • The success of wildlife breeding programs is not an overnight phenomena. It is premature to judge at this juncture.
    • The increase in lion and tiger populations in Gir, Gujarat also took sustained efforts over decades.

    (3) Complexities and Publicity of the Project

    • The cheetahs’ arrival in India followed extensive government planning, Supreme Court hearings, negotiations with multiple countries, logistical challenges, and the PM’s involvement.
    • The project received significant publicity. This necessarily doesn’t mean that the PM has a Midas touch.

    Conclusion

    • The relocation program is considered an experiment, and every death and birth should not be seen as a definitive success or failure.
    • However, clear criteria and timelines must be established for project managers to determine if adjustments are necessary.

     

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  • Groundwater Extraction and Land Subsidence

    groundwater

    Central Idea: Groundwater extraction in northwestern India, including Punjab, Haryana, Delhi, and Faridabad, has led to land subsidence and structural damage.

    What is Groundwater?

    • Groundwater is the water found underground in the cracks and spaces in soil, sand and rock.
    • It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.
    • Aquifers are typically made up of gravel, sand, sandstone, or fractured rock, like limestone.
    • Water can move through these materials because they have large connected spaces that make them permeable.
    • Aquifers, hand-dug wells, and artesian wells are different types of sources of groundwater.

    Reasons for Depletion

    • Increased demand for water for domestic, industrial and agricultural needs and limited surface water resources lead to the over-exploitation of groundwater resources.
    • Limited storage facilities owing to the hard rock terrain, along with the added disadvantage of lack of rainfall, especially in central Indian states.
    • Green Revolution enabled water-intensive crops to be grown in drought-prone/ water deficit regions, leading to over-extraction of groundwater.
    • Frequent pumping of water from the ground without waiting for its replenishment leads to quick depletion.
    • Subsidies on electricity and high MSP for water-intensive crops is also leading reasons for depletion.
    • Inadequate regulation of groundwater laws encourages the exhaustion of groundwater resources without any penalty.
    • Deforestation, unscientific methods of agriculture, chemical effluents from industries, and lack of sanitation also lead to pollution of groundwater, making it unusable.
    • Natural causes include uneven rainfall and climate change that are hindering the process of groundwater recharge.

    Impact of groundwater depletion

    • Lowering of the water table: Groundwater depletion may lower the water table leading to difficulty in extracting groundwater for usage.
    • Reduction of water in streams and lakes: A substantial amount of the water flowing in rivers comes from seepage of groundwater into the streambed. Depletion of groundwater levels may reduce water flow in such streams.
    • Subsidence of land: Groundwater often provides support to the soil. When this balance is altered by taking out the water, the soil collapses, compacts, and drops leading to subsidence of land.
    • Increased cost for water extraction: As the depleting groundwater levels lower the water table, the user has to delve deep to extract water. This will increase the cost of water extraction.

    Mechanism of Land Subsidence

    • The relationship between excessive groundwater extraction and land subsidence became evident through the analysis of data from Gravity Recovery and Climate Experiment (GRACE) satellites.
    • Excessive groundwater withdrawal, coupled with limited monsoon rain, has resulted in critically low groundwater levels in the region.
    • Land subsidence occurs when underlying aquifers, which are deep water channels storing percolated water, are not adequately recharged.
    • The depletion of aquifers causes the layers of soil and rock above them to sink gradually.
    • This sinking of soil is similar to “soil settlement” observed in mining operations.

    Regulation of Groundwater in India

    (1) Central Ground Water Authority (CGWA)

    • It has the mandate of regulating groundwater development and management in the country.
    • It is constituted under the Environment (Protection) Act of 1986.
    • CGWA issues advisories, public notices and grant No Objection Certificates (NOC) for ground water withdrawal.

    (2) National Aquifer Mapping and Management Programme (NAQUIM)

    • The NAQUIM is an initiative of the Ministry of Jal Shakti for mapping and managing the entire aquifer systems in the country.
    • It maintains the Hydrological Map of India.

    (3) Atal Bhujal Yojana 

    • It is a Central Sector Scheme, for sustainable management of groundwater resources with community participation in water-stressed blocks.

    Way Forward

    • Routine survey: There should be regular assessment of groundwater levels to ensure that adequate data is available for formulating policies and devising new techniques.
    • Assessment of land use pattern: Studies should be carried out to assess land use and the proportion of agricultural land falling under overt-exploited units.
    • Changes in farming methods: To improve the water table in those areas where it is being overused, on-farm water management techniques and improved irrigation methods should be adopted.
    • Reforms in power supply subsidies: The agricultural power-pricing structure needs to be revamped as the flat rate of electricity adversely affects the use of groundwater.
    • Monitoring extraction: There should be a policy in place to monitor the excessive exploitation of groundwater resources to ensure long-term sustainability.

     

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  • Species in news: Alligator Gar

    alligator-gar

    Central Idea: The Jammu and Kashmir Lake Conservation and Management Authority (LCMA) discovered a rare type of fish known as “Alligator Gar” for the first time during the ongoing cleaning of famous Dal Lake in Srinagar.

    Alligator Gar

    Information
    Scientific Name Atractosteus spatula
    Size and Weight Up to 8 feet in length, over 300 pounds
    Appearance Long, narrow body; crocodile-like head; sharp teeth
    Distribution Central and North America, freshwater habitats
    Fossil Record Traces back to the Early Cretaceous, over 100 million years ago
    Feeding Habits Voracious predator, feeds on fish, turtles, waterfowl, etc.
    Coloration Brown or olive on upper body, lighter underside
    Longevity Can live for several decades
    Conservation Status Least Concerned (IUCN)

     

     

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  • Issues with Great Nicobar Island (GNI) Project

    nicobar

    The National Commission for Scheduled Tribes (NCST) has now flagged alleged discrepancies with respect to the forest clearance granted for the ₹72,000-crore Great Nicobar Island (GNI) Project.

    What is GNI Project?

    • The GNI Project refers to the “Holistic Development of Great Nicobar Island,” a proposed mega project being piloted by NITI Aayog.
    • The project aims to develop the southern end of the Andaman and Nicobar group of Islands in the Bay of Bengal by constructing –
    1. Transshipment port
    2. Dual-use military-civil international airport
    3. Power plant and
    4. A township over a span of 30 years on more than 160 sq. km of land, of which 130 sq. km is primary forest

    Features of the Project

    • Transshipment hub of the East: The proposed port will allow Great Nicobar to participate in the regional and global maritime economy by becoming a major player in cargo transshipment.
    • Naval control: The port will be controlled by the Indian Navy, while the airport will have dual military-civilian functions and will cater to tourism as well.
    • Urban amenities: Roads, public transport, water supply and waste management facilities, and several hotels have been planned to cater to tourists.

    Significance of the project

    (1) Economic significance

    • Making India transshipment giant: The proposed port would allow GNI to become a significant player in cargo transshipment, as it is positioned equidistant from Colombo, Port Klang (Malaysia), and Singapore.
    • En-route of busiest shipping lane: It located close to the East-West international shipping corridor that sees a vast amount of the world’s shipping trade.
    • Huge source of revenue: The proposed ICTT can potentially become a hub for cargo ships travelling on this route.

    (2) Strategic significance

    • Securing IOR: The proposal to develop GNI has been on the table since the 1970s, and it has been highlighted repeatedly as a crucial element for national security and consolidation of the Indian Ocean Region.
    • Critical shipping chokepoint: Great Nicobar is equidistant from Colombo to the southwest and Port Klang and Singapore to the southeast, the region through which a very large part of the world’s shipping trade passes.
    • Oceanic outpost: The ANI is an oceanic outpost for continental India.
    • Combatting Chinese presence: In recent years, the escalating Chinese presence in the Indian Ocean has added greater urgency to this imperative.

    Issues with the Project

    • Threat to Biodiversity: The construction of the port, airport, and township, and the influx of people that the project is expected to bring, are likely to result in habitat destruction, fragmentation, and degradation, which could threaten the survival of several species.
    • Displacement of Indigenous Tribes: GNI is home to two isolated and indigenous tribes, the Shompen and the Nicobaris, who have lived on the island for thousands of years. The project could displace these tribes and disrupt their way of life and culture.
    • Deforestation: The project is expected to result in the cutting down of an estimated 8.5 lakh trees in the island’s prehistoric rainforests, which could have a significant impact on the island’s ecology and biodiversity.
    • Lack of Adequate Environmental and Social Impact Assessments: The project has received several easy clearances with uncharacteristic haste, raising questions about the adequacy of environmental and social impact assessments.
    • Fragile Topography: Experts have raised several concerns relating to the tectonic volatility and disaster vulnerability of the islands, which have experienced nearly 444 earthquakes in the past 10 years. The tribal communities, who were displaced in the 2004 Tsunami, are still recovering from its impact.

    Concerns highlighted by the NCST

    (1) Discrepancies with FRA Compliance

    • The island administration did not recognise or grant ownership of any forest land to local tribespeople as per FRA, a requisite step under the Forest Conservation Rules, 2017, before Stage-I clearance is granted.
    • This is despite the fact that Rule 6(3)(e) of Forest Conservation Rules-2017 (FCR) requires that any diversion of forest land first requires the District Collector to recognise and vest rights to locals under the FRA.
    • The legislation allows forest communities the right to control and manage the use of the forest land over which they hold titles, and their consent is mandatory for diverting it.

    (2) Inconsistencies with Stage-I Clearance

    • The Stage-I clearance for the project was granted in October 2022, two years after the application was received.
    • Monthly progress reports show that the district administration did not process any claims over forest land under the FRA in the 26 months since project sanction.
    • A Gram Sabha meeting was called with less than a day’s notice to villagers where a resolution was passed consenting to the diversion of forest land for the project.

    (3) Withdrawal of Consent

    • Weeks after the Stage-I clearance was granted, the Tribal Council at Campbell Bay withdrew the consent granted by the Gram Sabha.
    • NCST alleged that the minutes of the meeting were typed after securing members’ signatures.

    Back2Basics: National Commission for Scheduled Tribes (NCST)

    Description
    Formation NCST was set up with effect from 19th February, 2004.

    Created by inserting a new article 338A in the Constitution through the 89th Constitution Amendment Act, 2003.

    Hence a constitutional body.
    Objective To oversee the implementation of various safeguards provided to STs under the Constitution or under any other law for time being in force or under any other order to the Government and to evaluate the working of such safeguards.
    Composition It consists of a Chairperson, a Vice-Chairperson and 3 other Members who are appointed by the President by warrant under his hand and seal.

    At least one member should be a woman.

    The Chairperson, the Vice-Chairperson and the other Members hold office for a term of 3 years.

    The members are not eligible for appointment for more than two terms.

    The Chairperson has been given the rank of Union Cabinet Ministers, the Vice Chairperson has the rank of a Minister of State and other Members have the rank of a Secretary to the Government of India.

     

     

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  • SC modifies judgement on Eco-Sensitive Zones

    eco

    Central idea

    • The Supreme Court modified its judgment on mandatory eco-sensitive zones (ESZs) around protected forests, national parks, and wildlife sanctuaries across the country.
    • The court has now made it clear that ESZs cannot be uniform across the country and has to be “protected area-specific.”

    What are the Eco-sensitive Zones (ESZs)?

    • Eco-Sensitive Zones (ESZs) or Ecologically Fragile Areas (EFAs) are areas notified by the MoEFCC around Protected Areas, National Parks and Wildlife Sanctuaries.
    • The purpose of declaring ESZs is to create some kind of “shock absorbers” to the protected areas by regulating and managing the activities around such areas.
    • They also act as a transition zone from areas of high protection to areas involving lesser protection.

    How are they demarcated?

    • The Environment (Protection) Act, 1986 does NOT mention the word “Eco-Sensitive Zones”.
    • However, Section 3(2)(v) of the Act, says that Central Government can restrict areas in which any industries, operations or processes or class of industries, operations or processes shall be carried out or shall not, subject to certain safeguards.
    • Besides Rule 5(1) of the Environment (Protection) Rules, 1986 states that central government can prohibit or restrict the location of industries and carrying on certain operations or processes on the basis of certain considerations.
    • The same criteria have been used by the government to declare No Development Zones (NDZs).

    Defining its boundaries

    • An ESZ could go up to 10 kilometres around a protected area as provided in the Wildlife Conservation Strategy, 2002.
    • Moreover, in the case where sensitive corridors, connectivity and ecologically important patches, crucial for landscape linkage, are beyond 10 km width, these should be included in the ESZs.
    • Further, even in the context of a particular Protected Area, the distribution of an area of ESZ and the extent of regulation may not be uniform all around and it could be of variable width and extent.

    Activities Permitted and Prohibited

    • Permitted: Ongoing agricultural or horticultural practices, rainwater harvesting, organic farming, use of renewable energy sources, and adoption of green technology for all activities.
    • Prohibited: Commercial mining, saw mills, industries causing pollution (air, water, soil, noise etc), the establishment of major hydroelectric projects (HEP), commercial use of wood, Tourism activities like hot-air balloons over the National Park, discharge of effluents or any solid waste or production of hazardous substances.
    • Under regulation: Felling of trees, the establishment of hotels and resorts, commercial use of natural water, erection of electrical cables, drastic change of agriculture system, e.g. adoption of heavy technology, pesticides etc, widening of roads.

    What was the recent SC judgment?

    • On June 3, 2022, the apex court had ordered a 1-km buffer zone for protected areas to act as a “shock absorber.”
    • However, the Centre and several states, including Kerala, had returned to the apex court seeking modification of the judgment, saying the direction affected hundreds of villages in the peripheries of forests.

    Impact of the Judgment

    • Earlier judgement would have certainly hampered the day-to-day activities of the citizens residing in ESZs.
    • It would also prevent villagers from reconstructing their houses, the government from constructing schools, dispensaries, anganwadis, and other basic structures for the improvement of the life of the villagers.
    • The court also noted that it would be impossible for forest departments to conduct eco-development activities around national parks and sanctuaries.

    Try this PYQ

    With reference to ‘Eco-Sensitive Zones’, which of the following statements is/are correct?

    1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972
    2. The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities, in those zones except agriculture.

    Select the correct answer using the code given below:

    (a) 1 only

    (b) 2 only

    (c) Both 1 and 2

    (d) Neither 1 nor 2

     

    [wpdiscuz-feedback id=”scetxnmios” question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

     

     

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  • Preventing Heat Strokes: Lessons from Ahmedabad’s Heat Action Plan

    Heat Stroke

    Central Idea

    • The recent deaths of 14 people due to heat stroke in Navi Mumbai serves as a reminder of the dangers of heat waves, and with the IMD predicting a hotter summer this year, it’s essential that we take proactive steps to prevent heat-related deaths and illnesses. The Ahmedabad Heat Action Plan (HAP), launched in 2013, offers a blueprint that can be applied across India to combat heat stroke-related mortality and morbidity.

    What is Heat Stroke?

    • Heat stroke is a severe and potentially life-threatening condition that occurs when the body’s temperature regulation system fails, leading to a dangerous increase in body temperature.
    • This can happen when a person is exposed to high temperatures and humidity for prolonged periods, leading to dehydration, loss of fluids and electrolytes, and an inability to cool down through sweating.
    • Symptoms of heat stroke include high body temperature, rapid heartbeat, rapid and shallow breathing, confusion, agitation, disorientation, seizures, and in severe cases, loss of consciousness and organ failure.
    • Heat stroke requires immediate medical attention, as it can be fatal if left untreated.

    Facts for prelims: Heat related terminologies in news

    Heat stroke: Heat stroke is a serious medical condition that occurs when the body’s temperature regulation system fails, and the body temperature rises to dangerous levels, usually above 104°F (40°C). It can lead to organ damage and even death if not treated promptly.

    Heat cramps: Heat cramps are painful muscle contractions that can occur during physical activity in hot weather.

    Heat wave: A heat wave is a prolonged period of excessively hot weather, which can be accompanied by high humidity levels. The World Meteorological Organization (WMO) defines a heat wave as when the daily maximum temperature of more than five consecutive days exceeds the average maximum temperature by 5°C, and the normal minimum temperature is also exceeded.

    Heat index: It is the measure of how hot it feels when relative humidity is added to actual air temperature. The higher the heat index, the hotter it feels.

    Thermal stress: It is the stress on the human body caused by high temperatures, humidity, and solar radiation.

    Urban Heat Island: It refers to the phenomenon where urban areas experience higher temperatures than surrounding rural areas due to human activities like transportation, industrialization, and construction.

    Wet bulb globe temperature: It is a measure of heat stress in direct sunlight, which takes into account temperature, humidity, wind speed, sun angle and cloud cover.

    Diurnal temperature range: It is the difference between the maximum and minimum temperatures in a 24-hour period. A low diurnal temperature range indicates high humidity and poor air quality.

    Heat Stroke

    Features of Ahmedabad Heat Action Plan (HAP)

    • The Ahmedabad Heat Action Plan (HAP) includes five components that are designed to prevent heat stroke-related mortality and morbidity. These components are:
    1. Prediction and Alert System: The Indian Meteorological Department (IMD) predicts temperature levels for over 500 cities and all districts of India. Local governments can use historical temperature data to issue red, orange, and yellow alerts depending on the severity of the heat wave.
    2. Public Awareness: Raising public awareness about the actions to be taken during heat waves. Simple measures like carrying water while going out, avoiding direct exposure to sunlight, and taking frequent rests can prevent heat stroke.
    3. Provision of Water and Shade: Providing water and shade in public places and construction sites.
    4. Vulnerable Populations: Special attention should be given to vulnerable populations like the elderly and those with comorbidities. Those who work outside, such as traffic police, labourers, and street vendors, should be informed about ways to protect themselves from heat stroke.
    5. Annual Review: Each city and district should appoint a Heat officer to ensure that the HAP is implemented effectively. An annual review of the plan can help identify areas for improvement and ensure that the most vulnerable are protected from heat stroke-related mortality and morbidity.

    Heat Stroke

    Why India have not paid much attention to heat-related mortality and morbidity?

    • People accustomed to hot weather: Most people in India are accustomed to hot weather, and heat waves are not seen as a major threat. Traditionally, most cultures in India have words to describe heat stroke, and people know that it is a serious condition, so it has not been seen as a new or emerging issue.
    • Weak commitment to public health: The country is facing several other pressing issues and has a weak national commitment to public health in general.
    • Lack of awareness: Lack of awareness about the dangers of heat stroke and the need for preventive measures.
    • Overshadow effect: The focus on communicable diseases and other health issues has overshadowed the impact of heat waves on public health.
    • Limited research and data: Limited research and data on the extent of heat stroke-related morbidity and mortality in India.
    • Limited resources: Limited infrastructure and resources for managing heat waves and providing relief to affected populations.
    • Inadequate political will: Insufficient political will and resources to prioritize public health interventions related to heat waves.

    Long-term measures that the government can take to combat the effects of heat waves

    • Increase green cover: Trees and plants can help to reduce the effects of heat waves by providing shade and absorbing carbon dioxide. The government can undertake afforestation drives and promote the planting of trees in cities, towns, and villages.
    • Promote cool roofs: Painting roofs white or using reflective roofing materials can help to reflect sunlight and reduce the absorption of heat. The government can promote the use of cool roofs in new construction and retrofitting of existing buildings.
    • Improve access to water: Access to safe drinking water is crucial during heat waves. The government can undertake initiatives to improve access to water in public places, especially for vulnerable populations.
    • Develop urban heat island mitigation strategies: Urban areas are more susceptible to the effects of heat waves due to the urban heat island effect. The government can develop strategies to mitigate the effects of urban heat islands, such as increasing green cover, promoting cool roofs, and improving ventilation in buildings.
    • Improve healthcare infrastructure: The healthcare system must be prepared to deal with the increased incidence of heat stroke during heat waves. The government can improve healthcare infrastructure by increasing the number of hospitals and clinics, providing adequate medical supplies and equipment, and training healthcare professionals to deal with heat stroke cases.
    • Improve public transport: The use of public transport can reduce the number of vehicles on the road, thereby reducing emissions and heat. The government can promote the use of public transport by improving the quality and availability of public transport services.
    • Promote energy efficiency: The government can promote energy efficiency by undertaking energy audits of public buildings and promoting the use of energy-efficient appliances.

    Heat Stroke

    Conclusion

    • The Heat Action Plan offers a simple, effective framework for preventing heat stroke-related deaths and illnesses. With interdepartmental coordination and top-level commitment, it is possible to protect vulnerable populations during heat waves. It is essential that all cities, districts, and villages in India prepare for heat waves and take proactive measures to prevent heat stroke-related mortality and morbidity.

    Mains Question

    Q. What do you understand by mean is Heat Stroke? India has witnessing high number of heat related mortality and morbidity. In light of this serious concern, illustrate how India can take measures to prevent heat stroke-related mortality and morbidity.

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  • Jal Shakti Ministry plans network of Groundwater Sensors

    groundwater

    Central Idea: The Jal Shakti Ministry is working on an ambitious plan to deploy a vast network of groundwater sensors to continuously relay information on groundwater levels and contamination.

    What is Groundwater?

    • Groundwater is the water found underground in the cracks and spaces in soil, sand and rock.
    • It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.
    • Aquifers are typically made up of gravel, sand, sandstone, or fractured rock, like limestone.
    • Water can move through these materials because they have large connected spaces that make them permeable.
    • Aquifers, hand-dug wells, and artesian wells are different types of sources of groundwater.

    Sensors-based Groundwater Monitoring

    • Under this new initiative, around 16,000-17,000 digital water level recorders will be connected to piezometers in the wells to transmit information digitally.
    • In the next three years, the CGWB aims to increase its network from the existing 26,000 to about 40,000.
    • When combined with similar networks possessed by other institutions, India will have about 67,000 digitally recordable units to monitor groundwater dynamics.

    Significance of the move

    • This would make groundwater visible much the same way as air quality and meteorological variables
    • The information will be publicly accessible.
    • It will potentially provide groundwater forecasts to farmers that would be useful for sowing and updated advisories that can influence groundwater extraction policies by states

    Why monitor groundwater?

    • Nitrate contamination – a result of the use of nitrogenous fertilizers – has been observed in some regions
    • Groundwater contamination, mostly “geogenic” (natural), hasn’t significantly changed over the years.
    • But nitrate contamination and fluoride and arsenic contamination have been observed in some regions and states.

    Present system of monitoring

    • The Central Groundwater Board currently relies on a network of about 26 thousand groundwater observation wells.
    • It requires technicians to manually measure the state of groundwater in a region.

    Groundwater Extraction in India

    • The total annual groundwater recharge in the country has been assessed as 437.60 billion cubic meters (BCM)
    • The annual extractable groundwater resource has been assessed as 398.08 bcm, with actual extraction of 239.16 bcm
    • The average stage of groundwater extraction for the country as a whole works out to be about 60.08%, and anything above 70% is considered “critical”

    Also read

    Groundwater Extraction Lowest in 18 years

     

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  • Botanical Gardens Today Represent a Metric of National Success

    Botanical Gardens

    Central Idea

    • The establishment of a large botanical garden in Tamil Nadu, the Chengalpattu Botanical Garden, is a welcome piece of news as it has the potential to become a major center for the exploration and discovery of India’s plant wealth, research, education, citizen science, and outreach in plant biology.

    Chengalpattu Botanical Garden (CBG)

    • It will be India’s largest botanical garden: The ₹300 crore Chengalpattu Botanical Garden (CBG), at Kadambur village in Chengalpattu district, is being planned across 138 hectares and will be India’s largest botanical garden.
    • Potential major centre exploration and discovery of our plant wealth: The CBG has the potential to become a major center for the exploration and discovery of our plant wealth, a center of research, education, citizen science, and outreach in plant biology, and be a forceful voice in conservation.

    Background: Historical association of Plants and Gardens

    • Plants have been the foundation of human civilization and the long-standing association of humanity with gardens can be traced back to the dawn of agriculture over 11,000 years ago.
    • The tradition of home gardens, which are planned spaces around homes to grow edible and medicinal plants, has been noted in ancient texts and depicted in cave paintings, demonstrating the antiquity of gardening.
    • Rulers, from ancient to modern civilizations, have owned botanical gardens that are rich in native plants and plants collected from distant places.
    • These patrons of botanical gardens not only funded them but also oversaw botanical collections as a beautiful garden was a metric of one’s prosperity and eclectic administration.

    History of Botanical Gardens

    • European explorations led to the establishment of several academic botanical gardens between the 15th to 17th centuries.
    • The oldest of these, Orto Botanico di Padova in Italy, was founded in 1545, and the most well-known, the Royal Botanic Gardens in Kew near London, was formally consolidated in 1840.

    Botanical Gardens in India

    • Oldest garden: The oldest of the Indian academic gardens, the Acharya Jagadish Chandra (AJC) Bose Indian Botanic Garden, in Howrah, Kolkata, was established in 1787.
    • Exact number is not yet known: The exact number of botanical gardens in India is not known, but only a handful of botanical gardens have plant exploration and education programs.
    • India’s flora diversity: India is home to approximately 47,000 plant species, which make up around 6-7% of the world’s total plant species. The Western Ghats and the Eastern Himalayas are two of the world’s top biodiversity hotspots, with a large number of endemic plant species found in these regions.
    • The Importance of Plants: India has a high diversity of plants and animals. Plants are the structural foundations of our diverse ecological communities that feed us, provide us with nutrition and medicine, mitigate climate change, enrich our spirits, and secure us against an uncertain future. Yet, our knowledge of our vast botanical heritage is extremely limited.

    Facts for prelims: Botanical Garden in India

    Botanical Garden Location Established Special Features
    Acharya Jagadish Chandra Bose Indian Botanic Garden Howrah, West Bengal 1787 Oldest botanical garden in India; over 12,000 specimens of plants
    Lalbagh Botanical Garden Bangalore, Karnataka 1760 Known for its collection of rare plants, Glass House which hosts an annual flower show
    Ooty Botanical Gardens Ooty, Tamil Nadu 1848 Spread over 55 acres, collection of over 650 species of plants and trees, Toda tribal hut
    Jijamata Udyan Botanical Garden Mumbai, Maharashtra 1861 Oldest Botanical Garden in Western India; houses Mumbai’s Byculla Zoo
    Shalimar Bagh Srinagar, Jammu and Kashmir 1619 Mughal garden, UNESCO World Heritage Site
    Government Botanical Garden Udhagamandalam, Tamil Nadu 1848 Home to over 1000 species of plants including some rare ones, Fossil Tree Trunk
    The National Botanical Research Institute Botanical Garden Lucknow, Uttar Pradesh 1953 Over 6000 species of plants including rare medicinal plants
    The Acharya N. G. Ranga Agricultural University Botanical Garden Guntur, Andhra Pradesh 1964 Specializes in medicinal and aromatic plants
    The Calcutta Botanical Garden Kolkata, West Bengal 1786 Has a large collection of plants including rare plants, Cactus House
    The Padmaja Naidu Himalayan Zoological Park and Botanical Garden Darjeeling, West Bengal 1958 Botanical garden houses a collection of Himalayan plants, zoo has endangered species such as Red Panda

     What are Botanical Gardens?

    • Botanical gardens are institutions that are dedicated to the collection, cultivation, preservation, and display of a wide range of plants, with the aim of promoting public education and awareness of the importance of plants in the ecosystem.
    • These gardens may be associated with universities, museums, or government bodies, and are often open to the public for visitation and education.
    • They are often involved in research, conservation, and horticultural activities, and may collaborate with other botanical gardens around the world to share knowledge and resources.
    • Botanical gardens typically feature a variety of plants from different regions and climates, including rare and endangered species, and may also include features such as greenhouses, herbaria, and educational exhibits.

    Significance of botanical gardens

    • Conservation of plant species: Botanical gardens often maintain collections of rare, threatened, and endangered plant species for conservation purposes. These gardens also serve as a refuge for plants in danger of extinction and work towards their preservation.
    • Scientific research: Botanical gardens play a significant role in scientific research related to plants and their uses. Researchers use the gardens to study the characteristics and behavior of various plant species, their adaptability to different environmental conditions, and their potential uses in medicine, agriculture, and other fields.
    • Education and awareness: Botanical gardens offer an opportunity for the public to learn about plant diversity, conservation, and ecology. They often organize tours, exhibitions, and educational programs to raise awareness about the importance of plants and their role in sustaining life on earth.
    • Recreation and tourism: Botanical gardens are often popular tourist destinations and provide a peaceful and scenic setting for people to relax and enjoy nature. They also offer recreational activities such as hiking, bird watching, and photography.
    • Aesthetic value: Botanical gardens are also valued for their aesthetic beauty and are often designed to showcase different plant species in a visually appealing manner. The gardens often include water features, sculptures, and other artistic elements that enhance their beauty and appeal to visitors.

    Challenges related to botanical gardens in India

    • Maintenance and conservation: Botanical gardens require regular maintenance to ensure that the plants remain healthy and the infrastructure is in good condition. Lack of funding and trained staff can make it difficult to maintain the gardens, leading to deterioration of the plants and infrastructure.
    • Climate change: Climate change is a major challenge for botanical gardens, as it can affect the growth and survival of plants. Changing rainfall patterns, temperature fluctuations, and extreme weather events can all have a negative impact on the plants in the gardens.
    • Invasive species: Invasive species can pose a serious threat to the biodiversity of botanical gardens. These non-native plants can outcompete local species and disrupt the delicate balance of the ecosystem in the garden.
    • Urbanization: Urbanization and the expansion of cities can lead to the destruction of natural habitats and reduce the available space for botanical gardens. It can also lead to increased pollution, which can have negative effects on the plants in the gardens.
    • Lack of public awareness: Many people in India are not aware of the importance of botanical gardens and the role they play in conservation and research. This can make it difficult to raise funds and gain support for the gardens, which can limit their potential impact.

    Way ahead: Steps to conserve botanical gardens in India

    • Conservation measures: The conservation of botanical gardens can be done through various measures, such as preserving rare and endangered plant species, protecting the habitats of various plants, and using sustainable gardening practices.
    • Education and awareness: Education and awareness programs should be conducted to promote the significance of botanical gardens and their role in preserving plant diversity. It can help in spreading the knowledge about the importance of plants, conservation methods, and ecosystem services.
    • Scientific research: Scientific research on plant biology, taxonomy, and ecology can be carried out in botanical gardens. It can help in better understanding the plants and their natural habitat, thus helping in developing better conservation strategies.
    • Sustainable practices: Botanical gardens should adopt sustainable practices, such as the use of eco-friendly materials, rainwater harvesting, and composting, to conserve the environment and reduce carbon footprint.
    • Community participation: Community participation can be encouraged in botanical gardens by organizing various events, such as plant shows, gardening competitions, and nature walks. It can help in creating awareness and generating interest in plant conservation.
    • Collaboration and partnerships: Collaboration and partnerships with various organizations, such as NGOs, research institutions, and government agencies, can help in creating a network for sharing knowledge, resources, and expertise. It can also help in developing new conservation strategies and initiatives.

    Conclusion

    • Given the complex engineering that goes behind the construction and maintenance of a successful garden, botanical gardens today represent a metric of national success, from the perspectives of science, technology, and outreach, just as in the golden ages of this region, dating as far back as the Maurya monarch, Aśoka, when a botanical garden was a display of prosperity, scientific dispositions, and eclectic administration.
    • In this era of climate change and declining biodiversity, we need every inch of our backyards and elsewhere to nurture native plants and associated living organisms, to remind ourselves and the generations to come of the need to heal our earth through the power of plants.

    Mains Question

    Q. Establish historical association of botanical gardens and discuss its significance along with challenges associated with its conservation.

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  • First Census of Waterbodies in India

    water

    The Ministry of Jal Shakti has recently released the report of the first census of waterbodies in India.

    Waterbodies Census

    • It is the first ever process of conducting a comprehensive survey of all the waterbodies in a particular region or country.
    • The census aims to identify and classify different types of waterbodies like ponds, tanks, lakes, and reservoirs, among others.
    • The information can help in the development of strategies for their conservation and management.

    Major highlight: Definition of Waterbodies

    • The census defines a waterbody as a unit bounded on all sides that is used for storing water for various purposes.
    • These units can be either natural or man-made and may or may not have masonry work.
    • Waterbodies are used for a variety of purposes, such as irrigation, industrial use, pisciculture, domestic and drinking water supply, recreation, religious purposes, and groundwater recharge.
    • The report states that any structure that accumulates water from ice-melt, streams, springs, rain or drainage of water from residential or other areas or stores water by diversion from a stream, nala or river is also considered a waterbody.

    Key facts: Distribution of Waterbodies

    According to the report, India has 24.24 lakh water bodies like ponds, tanks, and lakes, with West Bengal having the highest number (7.47 lakh) and Sikkim having the least number (134).

    Waterbody Type Percentage of Total Waterbodies Number of Waterbodies
    Ponds 59.5% 14,42,993
    Tanks 15.7% 3,81,805
    Reservoirs 12.1% 2,92,280
    Water Conservation Schemes/Percolation Tanks/Check Dams 9.3% 2,26,217
    Lakes 0.9% 22,361
    Others 2.5% 58,884

     

    State-Wise Distribution of Waterbodies

    • The report highlights that West Bengal has the highest number of ponds and reservoirs, while Andhra Pradesh has the highest number of tanks.
    • Tamil Nadu has the highest number of lakes, and Maharashtra is the leading state with water conservation schemes.
    • South 24 Parganas district in West Bengal has been ranked as the top district having the highest (3.55 lakh) number of waterbodies across the country.

    Issues highlighted: Encroachment of Waterbodies

    • Total 1.6% of waterbodies reported to be encroached
    • 4% of encroached waterbodies in rural areas, 4.6% in urban areas
    • 8% of encroached waterbodies have less than 25% area under encroachment
    • 8% of waterbodies have more than 75% area under encroachment

    Conclusion

    • The census provides a comprehensive overview of the distribution of waterbodies in India, highlighting the states and districts with the highest number of waterbodies.
    • The data on encroachment of waterbodies can help in identifying areas where conservation efforts are needed to protect these valuable resources.

     

     

  • Species in news: Olive Ridley Turtles

    olive

    Millions of baby Olive Ridley Turtles crawled towards the Bay of Bengal after emerging from eggshells along Odisha’s Rushikulyabeach in the Ganjam district.

    Olive Ridley Turtles

    Description
    Scientific name Lepidochelys olivacea
    Habitat Warm and tropical waters
    Found in Pacific and Indian Oceans
    Nesting sites Rushikulya rookery in Odisha
    Largest mass nesting site Coast of Odisha in India
    Conservation status Vulnerable in IUCN Red List
    Listed in Schedule 1 in Wildlife Protection Act, 1972

    Special feature: Mass nesting

    Notable behavior Arribadas
    Nesting habits Synchronized mass nesting and return to the same beach where they hatched
    Nest structure Conical nests about one and a half feet deep, dug with hind flippers
    Incubation period 45 to 60 days, influenced by temperature of the sand and atmosphere

     

     

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