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Subject: Environment

  • Places in news: Orang National Park

    The Assam government has recently issued a preliminary notification for adding 200.32 sq. km to the 78.82 sq. km Orang National Park, the State’s oldest reserve, about 110 km northeast of Guwahati.

    The government had in September 21 dropped the ‘Rajiv Gandhi’ prefix to Orang given by the government in 1992.

    Orang National Park

    • Orang NP is located on the northern bank of the Brahmaputra River in the Darrang and Sonitpur districts of Assam.
    • It was established as a sanctuary in 1985 and declared a national park in 1999.
    • It has a rich flora and fauna, including great Indian rhinoceros, pygmy hog, Asian elephant, wild water buffalo and Bengal tiger.
    • Orang, on the northern bank of the river, is strategic to the Kaziranga Orang Riverine Landscape.
    • Tigers and rhinos are known to use the islands in this riverine landscape, about 180 km long, to hop between Orang and Kaziranga.

    Why in news?

    • The Assam government is pursuing a policy for the reintroduction of the gharial that became locally extinct more than six decades ago.
    • With better protection, the stretch of the Kaziranga-Orang landscape is ideal for sustaining the gharials.

    Back2Basics: National Park

    • Even before the Indian independence, sanctuaries had been created in the form of shooting blocks, game reserves or hunting reserves by the provisional governments or by the native rulers in their respective areas.
    • In 1936, the first National Park in India was created and named as the Hailey National Park, now called the Corbett National Park, in Uttaranchal.
    • The Wildlife Protection Act 1972 provides for the declaration of five types of protected areas viz. National Parks, Wildlife Sanctuaries, Community Reserves, Conservation Reserves and Tiger Reserves.
    • A National Park is defined by state government via notification under the WPA.
    • The state government can fix and alter boundaries of the National Parks with prior consultation and approval with National Board of Wildlife.
    • There is no need to pass an act for alternation of boundaries of National Parks.
    • No human activities are permitted in a National Park.

     

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  • For carbon sequestration, India must revisit its policy framework

    Context

    India’s pledge to set a net-zero target by 2070, at the COP26 summit, Glasgow, has again highlighted the importance of forests to help mitigate the challenges of climate change.

    Need for sustainable management of forests

    • The United Nations Framework Convention on Climate Change (UNFCC) framework (2013) of REDD+ for Reducing Emissions from Deforestation and Forest Degradation has highlighted the importance of forest along with the ‘sustainable management of forests for the conservation and enhancement of forest carbon stocks’.
    • Land-based sinks: In a study by Griscom (2017), land-based sinks (natural climate solutions which also include forests) can provide up to 37% of emission reduction and help in keeping the global temperature below 2° C.
    • Natural regeneration model: Recent research has favoured a natural regeneration model of restoration over the existing much-hyped mode of tree planting as such forests are said to secure nearly 32% carbon storage, as per one report of the Intergovernmental Panel on Climate Change.

    Degradation and deforestation in India

    •  As per the State of Forests Report (1989), the country had 2,57,409 sq.km (7.83% of its geographical area) under the open forest category, having a density of 10% to less than 40%.
    • However, in 30 years (2019) this has been increased to 3,04,499 sq. km (9.26%).
    • This means every year on average, nearly 1.57 lakh hectare of forests was degraded. 
    • Anthropogenic pressure: This degradation highlights the presence of anthropogenic pressures including encroachment, grazing, fire, which our forests are subjected to.

    Need for the participation of people to achieve target of carbon sequestration

    • The degradation warrants the participation of people as an essential and effective route to achieve the desired target of carbon sequestration through the restoration of forests.
    • As envisaged in National Forest Policy, 1988, India made its attempt, in 1990, to engage local communities in a partnership mode while protecting and managing forests and restoring wastelands with the concept of care and share. 
    • Later, the concept of forest development agencies was introduced to consolidate the efforts in an autonomous model.
    • Creation of joint forest management committees: The efforts to make this participatory approach operative resulted in the formation of nearly 1.18 lakh joint forest management committees managing over 25 million hectares of forest area.
    • Most of these became active and operative while implementing various projects financed by external agencies such as the World Bank, the Overseas Economic Cooperation Fund (OECF) Japan, the Department for International Development (DFID) United Kingdom and the European Union (EU).
    • A similar system of joint management in the case of national parks, sanctuaries and tiger reserves which existed in the name of eco-development committees initially proved effective.
    • However, the completion of the project period and lack of subsequent funding affected their functionality and also the protection of forests due to a lack of support from participating local communities including associated non-governmental organisations.
    • Customary participation: Except for the National Mission for Green India, in all other centrally sponsored programmes such as Project Tiger, fire management, Integrated Development of Wildlife Habitats (IDWH) including the Compensatory Afforestation Management and Planning Authority (CAMPA), the lack of priority and policy support to ensure the participation of local communities via the institutions of joint forest management committees slowly made their participation customary.
    • This caused a gradual decline in their effectiveness.
    • Role change: The role of local institutions of gram panchayat or joint forest management committees is now restricted to be a consultative institution instead of being partners in planning and implementation.
    • Implications of role change: This indifference and alienation from the participatory planning and implementation of various schemes

    Way forward

    • Revisit legal and policy mechanism: To achieve net-zero targets there is a need to revisit our existing legal and policy mechanisms.
    • Incentivise local communities: We also need to incentivise the local communities appropriately and ensure fund flow for restoration interventions.
    • There is a need for duly providing for the adequate participation of local people in planning and implementation through local institutions.
    • Replicate Telangana model: Political priority and appropriate policy interventions as done recently in Telangana by amending the panchayat and municipal acts and creating a provision for Telangana Haritha Nidhi need replication in other States.
    • Financial and institutional support mechanisms: These should be supported by enabling financial and institutional support mechanisms and negotiations with stakeholders
    • Though India did not become a signatory of the Glasgow Leaders’ Declaration on Forests and Land Use, the considerations of land tenure and the forest rights of participatory communities with accelerated finances will help aid steps in the race toward net zero.

    Consider the question “India is witnessing enormous degradation of forests and deforestation. This warrants the participation of people as an essential and effective route to achieve the desired target of carbon sequestration. In context of this, elaborate the importance of people participation and suggest the way forward.”

    Conclusion

    This inclusive approach with political prioritisation will not only help reduce emissions but also help to conserve and increase ‘our forest cover’ to ‘a third of our total area’. It will also protect our once rich and precious biological diversity.

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  • India’s first open Rock Museum in Hyderabad

    The Ministry of Science & Technology has inaugurated India’s first open rock museum displaying different types of rocks gathered from different States of ages ranging from 3.3 billion years to around 55 million years.

    Rock System in India

    Based on this complex and varied geological history, the Geological Survey of India has classified rock systems of the country into 4 major divisions:

    1. Archaean Rock System
    2. Dravidian Rock System
    3. Purana Rock System
    4. Aryan Rock System

    [I] Archaean Rock System:

    The Archaean group of rocks consists of two systems-(a) Achaean granites and gneisses, and (b) Dharwarian sedimentary:

    Archaean Gneisses and Schists (pre-2500 million years)

    • The Archean System contains the first formed rocks of the earth.
    • The rocks are primarily gneisses and granites, having no marks of fossils.
    • They often underlie the strata formed subsequently and the system is generally known as the basement complex or fundamental gneisses.
    • The Archaean rocks cover two-thirds of peninsular India. They also occur in the roots of the mountain peaks all along the Greater Himalayas, trans-Himalayan ranges of Zaskar, Ladakh and Karakoram.

    Dharwar System (2500-1800 million years ago)

    • The weathering of the Archaean rocks yielded the earliest sediments and formed the oldest sedimentary strata, the Dharwar system.
    • These are found today in metamorphic forms and do not contain fossils.
    • These rocks occur in scattered patches in parts of Karnataka, Tamil Nadu, central and eastern parts of Chotanagpur plateau, Meghalaya plateau, Aravalis, Himalayan region etc

    Mineral contents:

    • They contain gneisses (which range from granite to gabbro) and schists (crystalline rocks such as mica, talc etc.).
    • These rocks have metallic and non-metallic minerals like copper, tin, graphite, lead, zinc, etc.

    [II] Dravidian Rock System:

    • This is also known as carboniferous rock system and formed during the Paleozoic era, i.e., from 600- 300 million years ago.
    • They are not much abundant in India.
    • They have plentiful fossils and beginning of coal formation can be seen in this period. The quality of carboniferous coal is high.
    • They are found in extra- Peninsular regions of the Himalayas and the Gangetic plains.

    Mineral content

    • This type of rock system comprises of limestones, shale and quartzite and Mount Everest is formed of upper Carboniferous limestones.
    • Most of the coal is not of the Carboniferous period, which is found in India.
    • The meaning of Carboniferous in geology is coal-bearing.

    [III] Purana Rock System:

    The Purana rock system has two divisions: Cuddapah system and Vindhyan system. The word ‘Purana’ was used in place of a Proterozoic era in India.

    Cuddapah Rock system:

    • They are observed in Cuddapah districts of Andhra Pradesh.
    • The non-fossiliferous clay, slates, sandstones and limestones were accumulated in the depression between two-fold mountains which is known as synclinal basins.
    • They also have a large accumulation of building purpose cement grade limestones and quartzites.
    • This type of rock contains ore of iron, cobalt, nickel, manganese etc.

    Vindhya Rock System:

    • This type of rock system is also ancient or old sedimentary rocks which are superimposed on the Archaean rock base and derived its name from Vindhya mountains.
    • The recognition of fossils is negligible, only traces of few animal and plant life were found.
    • This rock system has diamond-bearing regions from which Golconda and Panna diamond mined.

    [IV] Aryan Rock System

    The Aryan rock system in India has the following four subsystems:

    1. Gondwana rock system
    2. Jurassic Rock System
    3. Cretaceous system/ Deccan Trap
    4. Tertiary rock system

    (1) Gondwana Rock System:

    • These are found mainly in Raniganj, Jharia regions of Jharkhand, Damodar valley, Pench valley in Chhattisgarh and Madhya Pradesh.
    • They are called so after the name of Gondwana tribe (indigenous people especially residing in Telangana and Andhra Pradesh region).
    • In this type of rock system, you found metallic minerals like iron, manganese, uranium etc. other than coal.
    • They have low carbon content as it is much younger than Carboniferous coal. These rocks have nearly 98% of India’s coal reserve.

    (2) Jurassic Rock System

    • During the latter part of Jurrasic when sea level rises as compared to land and shoreline moves towards ground or land which result in a flood. In geology, this phenomenon is called marine transgression.
    • This gives rise to a thick series of shallow-water deposits kin Rajasthan and Kutch. Between the Guntur and Rajamundry, another transgression in the east coast of Peninsula.
    • In Kuchchh, coral limestone, shales and conglomerates are found.

    (3) Deccan traps

    • These are formed by the flow of magma over the solidified rock system in layers.
    • Deccan trap gets rise due to volcanic outburst over a major area of Peninsular India from the end of Cretaceous till the beginning of Eocene.
    • The meaning of trap is “stair” or “step” in Swedish and called due to deposition of the volcanic outburst which has a flat top and steep sides.
    • It is mainly found in parts of Kuchchh, Saurashtra, Maharashtra, the Malwa plateau and Northern Karnataka and presently cover near 5 lakh sq. Km.
    • Regur, which is black soil, is formed due to the weathering of these rocks for a long time.

    (4) Tertiary rock system

    • The formation of this type of rock system occurs from 60 to 7 million years ago.
    • It is the most noteworthy period in India’s geological history as the Himalayas were born and recent form came in this period.

    Also read:

    The Geological Structure of India

     

     

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  • A partnership to carry India into net-zero future

    Context

    At a time when our planet faces an existential crisis, there is little doubt that we need innovative, scientific and urgent steps to secure humanity’s future.

    India’s climate commitment

    • We need to act decisively to reach global net-zero, restricting future cumulative emissions to the remaining carbon budget — as COP26 noted — if the rise in temperature is to remain within the limits of the Paris Agreement.
    • At COP26, India announced its climate commitments — the “Panchamrit”, including a commitment to reach net-zero by 2070.
    • India’s announcement of its net-zero goal is a major step considering that our country is not the cause of global warming.
    • Its historical cumulative emissions are a mere 4.37 per cent of the world’s total. 

    India’s steps to achieve the targets

    [1] India’s renewable energy targets and achievements

    • India’s renewable energy targets have steadily become more ambitious, from the 175 GW by 2022 declared at Paris, to 450 GW by 2030 at the UN Climate Summit, and now 500 GW by 2030, announced at COP26.
    • India has also announced the target of 50 per cent installed power generation capacity from non-fossil energy sources by 2030, raising the existing target of 40 per cent, which has already been almost achieved.
    • Renewable technologies: India will not lag in terms of new cutting-edge renewable technologies and has already announced a Hydrogen Energy Mission for grey and green hydrogen.
    • In energy efficiency, the market-based scheme of Perform, Achieve and Trade (PAT) has avoided 92 million tonnes of CO2 equivalent emissions during its first and second cycles.

    [2] India’s E-mobility transtion

    • FAME: India is accelerating its e-mobility transition with the Faster Adoption and Manufacturing of (Hybrid &) Electric Vehicles Scheme to support the electric vehicle market development and enable its manufacturing ecosystem to achieve self-sustenance.
    • Incentives for customers and companies: The government has also announced a slew of incentives for customers and companies to promote e-vehicles.
    • Adoption of BS-VI: India leapfrogged from Bharat Stage-IV (BS-IV) to Bharat Stage-VI (BS-VI) emission norms by April 1, 2020.
    • Scrapping policy: A voluntary vehicle scrapping policy to phase out old and unfit vehicles now complements these schemes.
    • Electrification of railway routes: Indian Railways is charging ahead, targeting the full electrification of all broad-gauge routes by 2023.

    [3] Ujjwala Yojana and UJALA

    • The Pradhan Mantri Ujjwala Yojana has benefitted 88 million households with LPG connections.
    • More than 367 million LED bulbs have been distributed under the UJALA scheme, leading to energy savings of more than 47 billion units of electricity per year and a reduction of 38.6 million tonnes of CO2 per year.
    • With these and many other initiatives, India has already achieved a reduction of 24 per cent in the emission intensity of its GDP between 2005 and 2016, and is on track to meet its target of 33 to 35 per cent by 2030.

    Role of private sector

    • Since industries also contribute to GHG emissions, any climate action will need to reduce or offset emissions that emerge from industrial and commercial activity.
    • The public and private sectors in India are already playing a key role in meeting the climate challenge, helped by growing customer and investor awareness, as well as increasing regulatory and disclosure requirements.
    • Enterprises are well-positioned to not just adapt to but also gain from the low-carbon transition.
    • The low-carbon transition challenge is bigger for companies that are largely coal-powered and contribute more than half of our country’s emissions.
    • The business fraternity must make the best possible use of this opportunity to invest in climate technologies and expand the use of renewable energy sources.
    • The Indian cement industry has taken pioneering measures and achieved one of the biggest sectoral low carbon milestones worldwide.

    Way forward

    • India’s journey on the low-carbon pathway towards net-zero requires the active participation of all stakeholders.
    • Sustainable lifestyles and climate justice are at the core of this journey.

    Conclusion

    With cooperation from the private sector, India will be able to responsibly use its fair share of the global carbon space and contribute to reaching the global net-zero goal to build a more environmentally sustainable planet.

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  • Western Disturbances to bring rain in New Delhi

    Under the influence of two consecutive western disturbances, New Delhi is in for a wet spell.

    Western Disturbances

    • A western disturbance is an extratropical storm originating in the Mediterranean region that brings sudden winter rain to the northwestern parts of the Indian subcontinent.
    • It is a non-monsoonal precipitation pattern driven by the westerlies.
    • The moisture in these storms usually originates over the Mediterranean Sea, the Caspian Sea and the Black Sea.
    • Extratropical storms are global phenomena with moisture usually carried in the upper atmosphere, unlike their tropical counterparts where the moisture is carried in the lower atmosphere.
    • In the case of the Indian subcontinent, moisture is sometimes shed as rain when the storm system encounters the Himalayas.
    • Western disturbances are more frequent and strong in the winter season.

    Impact: Winter Rainfall and Extreme Cold

    • Western disturbances, specifically the ones in winter, bring moderate to heavy rain in low-lying areas and heavy snow to mountainous areas of the Indian Subcontinent.
    • They are the cause of most winter and pre-monsoon season rainfall across northwest India.
    • An average of four to five western disturbances forms during the winter season.

    Its significance

    • Precipitation during the winter season has great importance in agriculture, particularly for the rabi crops.
    • Wheat among them is one of the most important crops, which helps to meet India’s food security.

    Try this PYQ:

    Q. Consider the following statements:

    1. The winds which blow between 30°N and 60°S latitudes throughout the year are known as westerlies.
    2. The moist air masses that cause winter rains in the North-Western region of India are part of westerlies.

    Which of the statements given above is/are correct?

    (a) Only 1

    (b) Only 2

    (c) Both 1 and 2

    (d) Neither 1 nor 2

     

     

    [wpdiscuz-feedback id=”9y7ae6mirv” question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

     

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  • Odisha radio-tags rescued Indian Pangolin

    The Odisha Forest and Environment Department has completed its first-ever radio-tagging of the Indian pangolin in an attempt to standardize the rehabilitation protocol for the animal in the State.

    Why radio-tagging?

    • The radio-tagging aims to know its ecology and develop an effective conservation plan for it.
    • The radio-tagging is part of a joint project by the department and non-profit, the Wildlife Conservation Trust (WCT) that also involves the species’ monitoring apart from other activities.

    About Pangolin

    IUCN status: Endangered

    • India is home to two species of pangolin.
    • While the Chinese Pangolin (Manis pentadactyla) is found in northeastern India, the Indian Pangolin is distributed in other parts of the country as well as Sri Lanka, Bangladesh and Pakistan.
    • Both these species are protected and are listed under Schedule I Part I of the Wild Life (Protection) Act, 1972 and under Appendix I of the Convention on International Trade in Endangered Species (CITES).
    • Commonly known as ‘scaly anteaters’, the toothless animals are unique, a result of millions of years of evolution.
    • Pangolins evolved scales as a means of protection. When threatened by big carnivores like lions or tigers they usually curl into a ball.
    • The scales defend them against dental attacks from predators.

    Pangolin in China

    • Pangolin meat is considered a delicacy in China and Vietnam.
    • Their scales which are made of keratin, the same protein present in human nails — are believed to improve lactation, promote blood circulation, and remove blood stasis.
    • These so-called health benefits are so far unproven.

    What makes pangolins the most trafficked animals in the world?

    • Their alleged health benefits in traditional Chinese medicines prompted a booming illicit export of scales from Africa over the past decade.
    • Officials quote the trafficking price of Pangolin and its scale anywhere between Rs 30,000 and Rs 1 crore for a single animal.
    • Conservation of pangolins received its first shot in the arm when the 2017 Convention on International Trade in Endangered Species (CITES) enforced an international trade ban.

     

     

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  • Gaps in draft regulations on Extended Producer Responsibility (EPR)

    Context

    In October, the Environment Ministry published draft regulations on Extended Producer Responsibility (EPR), set to come into effect by the end of this year. These regulations denote a backslide, particularly with respect to integration of the informal sector.

    What is EPR?

    • Extended Producer Responsibility (EPR) requires the manufacturer of a product, or the party that introduces the product into the community, to take responsibility for its life cycle.
    • An FMCG company should not only account for the costs of making, packing and distributing a packet of chips, but also for the collection and recycling/reuse of the packet.

    Shortcomings in the guidelines

    The guidelines fall short in three areas: people, plastics and processing.

    [1] Integration of informal sector is lacking

    • By failing to mention waste pickers or outlining mechanisms for their incorporation under EPR, the guidelines are retrogressive.
    • For decades, waste pickers, working in dangerous and unsanitary conditions, have picked up what we throw away.
    • Besides, by diverting waste towards recycling and reuse, waste pickers also subsidise local governments responsible for solid waste management.
    • Further, they reduce the amount of waste accumulating in cities, water bodies and dumpsites and increase recycling and reuse, creating environmental and public health benefits.
    • Between 1.5 and 4 million waste pickers in India work without social security, health insurance, minimum wages or basic protective gear.
    • Suggestions:  An effective EPR framework should address the issue of plastics and plastic waste management in tandem with the existing machinery, minimise duplication and lead to a positive environmental impact, with monitoring mechanisms including penalties for non-compliance.
    • EPR funds could be deployed for mapping and registration of the informal sector actors, building their capacity, upgrading infrastructure, promoting technology transfer, and creating closed loop feedback and monitoring mechanisms.

    [2] The scope of plastic covered need to be altered

    • The EPR guidelines are limited to plastic packaging.
    • There are other multi-material plastic items like sanitary pads, chappals, and polyester that pose a huge waste management challenge today, but have been left out of the scope of EPR.
    • Three categories of plastic packaging: Plastic packaging can be roughly grouped into three categories: recyclable and effectively handled by the informal sector, technologically recyclable but not economically viable to recycle, technologically challenging to recycle (or non-recyclable).
    • [1] Rigid plastics like PET and HDPE are effectively recycled.
    • Suggestion: The government could support and strengthen the informal recycling chain by bridging gaps in adequate physical spaces, infrastructure, etc.
    • [2] Typically flexible plastics like LDPE and PP bags are recyclable, but due to their contamination with organic waste, lightweight, and high volume, the costs of recycling are prohibitively expensive relative to the market value of the output.
    • Suggestion: Market value for these plastics can be increased by increasing the demand for and use of recycled plastics in packaging, thus creating the value to accommodate the current costs of recycling.
    • [3] Multi-layered and multi-material plastics are low weight and voluminous, making them expensive to handle and transport.
    • Since they are primarily used in food packaging, they often attract rodents, making storage problematic.
    • Even if this plastic is picked, recycling is technologically challenging as it is heterogeneous material.
    • The Plastic Waste Management Rules mandated the phase-out of these plastics.
    • However, in 2018, this mandate was reversed.

    [3] Processing technologies need to be closely evaluated

    • Not all processing is recycling.
    • Processes like waste-to-energy, co-processing and incineration have been proven to release carbon dioxide, particulate matter, harmful dioxins and furans which have negative climate and health impacts.
    • While the environmental impact and desirability of these processes continues to be debated, the draft regulations legitimise them to justify the continued production of multi-layered plastics.
    • Technologies like chemical recycling and pyrolysis are capital-intensive, yielding low returns and running into frequent breakdowns and technological problems.
    • They also release carbon dioxide and other pollutants.
    • These end-of-life processes are economically, environmentally and operationally unsustainable.
    • A number of gasification, pyrolysis and other chemical recycling projects have figured in accidents such as fires, explosions and financial losses.

    Way forward

    • Address issues of the informal sector: The consultation process should involve informal workers.
    • Alter the scope of plastics covered: The scope of plastics covered by the guidelines could be altered to exclude those plastics which are already efficiently recycled and to include other plastic and multi-material items.
    • Processing technologies should be closely evaluated: And end-of-life processing technologies should be closely evaluated, based not only on their health and environmental impacts, but also on the implications for continued production of low-quality and multi-layered plastics.

    Consider the question ” The Environment Ministry published draft regulations on Extended Producer Responsibility (EPR). Examine the issues with the regulations and suggest the way forward” 

    Conclusion

    In conclusion, the government should redo the consultation process for the draft guidelines.

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  • Meendum Manjappai Scheme

    Tamil Nadu CM has launched the ‘Meendum Manjappai’ Scheme to promote the use of cloth bags by the public and discourage the use of plastic bags.

    Meendum Manjappai Scheme

    • This awareness campaign on using ‘yellow’ cloth bag or ‘manjapai’ as it is called in Tamil, is aimed at encouraging the people to return to the use of this eco-friendly bag and discard the plastic bags.
    • Manjal means turmeric in Tamil which has curative power. The manjapai was an integral part of daily life in the past.
    • Traditionally the manjapais were used for shopping, carrying books, ration and even cash.
    • The state government had enforced a ban on the production, use, storage, distribution, transportation or sale of 14 types of plastics with effect from January 1, 2019.

     

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  • Reintroduction of African Cheetahs in India

    Kuno National Park in Madhya Pradesh was all prepped to welcome the African cheetahs — a project that has been a decade in the making — this year. The project has now been postponed, as the new coronavirus variant of concern omicron prompted travel restrictions.

    Confused over Leopard and Cheetah?

    The most common difference between these two animals is the patterns on their coat. At first glance, it may look like they both have spots, but in actual fact, a leopard has rosettes which are rose-like markings, and cheetahs have a solid round or oval spot shape.

    About Asiatic Cheetah

    • Cheetah, the world’s fastest land animal was declared extinct in India in 1952.
    • The Asiatic cheetah is classified as a “critically endangered” species by the IUCN Red List, and is believed to survive only in Iran.
    • It was expected to be re-introduced into the country after the Supreme Court lifted curbs for its re-introduction.
    • From 400 in the 1990s, their numbers are estimated to have reached to 50-70 today, because of poaching, hunting of their main prey (gazelles) and encroachment on their habitat.

    Why reintroduce Cheetahs?

    • Reintroductions of large carnivores have increasingly been recognized as a strategy to conserve threatened species and restore ecosystem functions.
    • The cheetah is the only large carnivore that has been extirpated, mainly by over-hunting in India in historical times.
    • India now has the economic ability to consider restoring its lost natural heritage for ethical as well as ecological reasons.

    Why was the project halted?

    • The court was worried whether the African cheetahs would find the sanctuary a favorable climate as far as the abundance of prey is concerned.
    • Those who challenged the plan argued that the habitat of cheetahs needed to support a genetically viable population.

    Try this PYQ:

    Q. Consider the following:

    1. Black necked crane

    2. Cheetah

    3. Flying squirrel

    4. Snow leopard

    Which of the above are naturally found in India?

    (a) 1, 2 and 3 only

    (c) 2 and 4 only

    (b) 1, 3 and 4 only

    (d) 1, 2, 3 and 4

     

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

     

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  • After 50 years, Gharials return to Beas Conservation Reserve

    Gharial ( Gavialis gangeticus ) have been successfully reintroduced the in the Beas River of Punjab where it had become extinct half a century ago.

    One may often get confused between the Mugger, Gharial and the Saltwater Crocodile. Note the differences about their IUCN status, habitat (freshwater/saltwater) etc..

    Gharials

    • The Gharial is a fish-eating crocodile is native to the Indian subcontinent. They are a crucial indicator of clean river water.
    • Small released populations are present and increasing in the rivers of the National Chambal Sanctuary, Katarniaghat Wildlife Sanctuary, Son River Sanctuary.
    • It is also found at the rainforest biome of Mahanadi in Satkosia Gorge Sanctuary, Orissa.
    • Gharials are ‘Critically Endangered’ in the IUCN Red List of Species.
    • The species is also listed under Schedule I of the Wild Life (Protection) Act, 1972.

    Into the wild

    • A major chunk of gharials in India is found in the Chambal River, which has about 1,000 adults.
    • The Ghaghara acts as an important aquatic corridor for gharials in Uttar Pradesh. The river is a major left-bank tributary of the Ganges.
    • Like Uttar Pradesh, Bihar too is releasing gharials in the Valmiki Tiger Reserve as part of restocking the wild population. Unlike crocodiles, gharials do not pose any danger to humans.

    Ambitious project in Punjab

    • The gharial reintroduction in the Beas Conservation Reserve is an ambitious programme of the Punjab government.
    • The reptiles were commonly sighted in the Beas River till the 1960s but later became extinct.

    Back2Basics:

    Mugger

    • The mugger is a marsh crocodile which is found throughout the Indian subcontinent.
    • It is a freshwater species and found in lakes, rivers and marshes.
    • IUCN Status: Vulnerable

    Saltwater Crocodile

    • It is the largest of all living reptiles.
    • It is found along the eastern coast of India.
    • IUCN Status: Least Concerned

     

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