Note4Students
From UPSC perspective, the following things are important :
Prelims level: Red Sanders
Mains level: Illegal trade
Red Sanders (Red Sandalwood) has fallen back into the ‘endangered’ category in the International Union for Conservation of Nature’s (IUCN) Red List.
A recently released and trending Telugu movie plot provides a fictional account of red sandal smuggling.
About Red Sanders
- The species, Pterocarpus santalinus, is an Indian endemic tree species, with a restricted geographical range in the Eastern Ghats.
- It is endemic to a distinct tract of forests in Andhra Pradesh.
- It is mainly found in Chittoor, Kadapa, Nandhyal, Nellore, Prakasam districts of Andhra Pradesh.
- It was classified as ‘near threatened’ in 2018 and has now joined the ‘endangered’ list once again in 2021.
- It is listed under Appendix II of CITES and is banned from international trade.
Status of legal protection in India
- The Union Environment Ministry had decided to keep Red Sanders (red sandalwood) OUT of the Schedule VI of Wild Life Protection Act, 1972, arguing that this would discourage the cultivation of the rare plant species.
- Schedule VI regulates and restricts the cultivation, possession, and sale of a rare plant species.
Significance of listing
- It was a moment of celebration when the species was lifted off from the endangered category for the first time since 1997.
- Over the last three generations, the species has experienced a population decline of 50-80 percent.
- It is also scheduled in appendix II of the CITES and Wildlife Protection Act.
Threats to this species
- Red Sanders are known for their rich hue and therapeutic properties, are high in demand across Asia, particularly in China and Japan.
- They are used in cosmetics and medicinal products as well as for making furniture, woodcraft and musical instruments.
- Its popularity can be gauged from the fact that a tonne of Red Sanders costs anything between Rs 50 lakh to Rs 1 crore in the international market.
Try this question from CSP 2016:
Q.With reference to ‘Red Sanders’, sometimes seen in the news, consider the following statements:
- It is a tree species found in a part of South India.
- It is one of the most important trees in the tropical rain forest areas of South India.
Which of the above statements is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Post your answers here.
Back2Basics: Red List Categories of IUCN
Species are classified by the IUCN Red List into nine groups specified through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmentation. They are:
- Extinct (EX) – beyond reasonable doubt that the species is no longer extant.
- Extinct in the wild (EW) – survives only in captivity, cultivation and/or outside native range, as presumed after exhaustive surveys.
- Critically endangered (CR) – in a particularly and extremely critical state.
- Endangered (EN) – very high risk of extinction in the wild, meets any of criteria A to E for Endangered.
- Vulnerable (VU) – meets one of the 5 red list criteria and thus considered to be at high risk of unnatural (human-caused) extinction without further human intervention.
- Near threatened (NT) – close to being at high risk of extinction in the near future.
- Least concern (LC) – unlikely to become extinct in the near future.
- Data deficient (DD)
- Not evaluated (NE)
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Pangolin
Mains level: Not Much
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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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Asiatic Cheetah
Mains level: Wildlife re-introduction Program
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
Post your answers here:
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Indian Gharial
Mains level: Species reintroduction and related issues
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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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Lesser Florican
Mains level: Not Much
In a major discovery, the longest in-country migration route of lesser floricans, the endangered birds of the bustard group, has been tracked for the first time from Rajasthan to Maharashtra’s Ahmednagar district.
Lesser Florican
- The lesser florican (Sypheotides indicus), also known as the likh or kharmore, is the smallest in the bustard family.
- It is endemic to the Indian Subcontinent where it is found in tall grasslands and is best known for the leaping breeding displays made by the males during the monsoon season.
- The male has a contrasting black and white breeding plumage and distinctive elongated head feathers that extend behind the neck.
- These bustards are found mainly in northwestern and central India during the summer but are found more widely distributed across India in winter.
- The only similar species is the Bengal florican (Houbarobsis bengalensis) which is larger and lacks the white throat, collar and elongated plumes.
Conservation status
- The Lesser Florican is protected under Schedule 1 of the Wildlife (Protection) Act, 1972, Lesser Florican
- The bird is listed as “Critically Endangered” on the International Union for Conservation of Nature’s Red List of Threatened Species.
Threats
- It is threatened both by hunting and habitat degradation.
- The species is highly endangered and has been officially hunted to extinction in some parts of its range such as Pakistan.
Try this PYQ:
Which one of the following groups of animals belongs to the category of endangered species?
(a) Great Indian Bustard, Musk Deer, Red Panda, Asiatic Wild Ass
(b) Kashmir Stag, Cheetah, Blue Bull, Great Indian Bustard
(c) Snow Leopard, Swamp Deer, Rhesus Monkey, Saras (Crane)
(d) Lion Tailed Macaque, Blue Bull, Hanuman Langur, Cheetah
Post your answers here.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Kaiser-i-Hind
Mains level: Not Much
An elusive swallowtail butterfly carrying ‘India’ in its name and found in next-door China will become the State butterfly of Arunachal Pradesh.
Kaiser-i-Hind
Protection status: Schedule II of Wildlife (Protection) Act, 1972
- Kaiser-i-Hind (Teinopalpus imperialis) literally means Emperor of India.
- This butterfly with a 90-120 mm wingspan is found in six States along the Eastern Himalayas at elevations from 6,000-10,000 feet in well-wooded terrain.
- The butterfly also flutters in Nepal, Bhutan, Myanmar, Laos, Vietnam and southern China.
- The move was made with a view to boosting butterfly tourism and saving the species from extinction in the State.
Other butterflies in news
- The Malabar Banded Peacock or the Buddha Mayoori which was recently declared the ‘State Butterfly’ of Kerala will have a dedicated butterfly park in Kochi.
- Tamil Nadu has also recently declared Tamil Yeoman (Cirrochroa Thais) as its state butterfly to symbolize its rich natural and cultural heritage.
- Other states to have state butterflies are Maharashtra (Blue Mormon), Uttarakhand (Common peacock), Karnataka (Southern birdwings).
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Fishing Cats
Mains level: Not Much
The Wildlife Institute of India (WII-Dehradun) Conservation Biologists will begin collaring ten Fishing Cats (Prionailurus viverrinus) in the Coringa Wildlife Sanctuary (CWS) in Andhra Pradesh.
About Fishing Cats
- About twice the size of a typical house cat, the fishing cat is a feline with a powerful build and stocky legs.
- It is an adept swimmer and enters water frequently to prey on fish as its name suggests.
- It is known to even dive to catch fish.
- It is nocturnal and apart from fish also preys on frogs, crustaceans, snakes, birds, and scavenges on carcasses of larger animals.
- It is capable of breeding all year round but in India its peak breeding season is known to be between March and May.
Conservation status
- IUCN Red List: Endangered
- CITES: Appendix II
- Indian Wildlife (Protection) Act, 1972: Schedule I
Various threats
- One of the major threats facing the fishing cat is the destruction of wetlands, which is its preferred habitat.
- As a result of human settlement, drainage for agriculture, pollution, and wood-cutting most of the wetlands in India are under threat of destruction.
- Another threat to the fishing cat is the depletion of its main prey-fish due to unsustainable fishing practices.
- It is also occasionally poached for its skin.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Bengal Florican
Mains level: Not Much
Environmentalists have recently written to the Assam government on the urgent need to prevent land-use changes at Kokilabari Seed Farm in the state to protect Bengal floricans and other species.
Bengal Florican
- The Bengal florican also called Bengal bustard, is a bustard species native to the Indian subcontinent, Cambodia, and Vietnam.
- Fewer than 1,000 individuals were estimated to be alive as of 2017.
- It has two disjunct populations, one in the Indian subcontinent, another in Southeast Asia.
- The former occurs from Uttar Pradesh (India) through the Terai of Nepal to Assam (where it is called ulu mora) and Arunachal Pradesh in India, and historically to Bangladesh.
- It has a very small, rapidly declining population largely as a result of the widespread loss of its grassland habitat.
Conservation status
- IUCN Red List Status: Critically Endangered
- CITES: Appendix I
- Wildlife Protection Act of India, 1972: Schedule I
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Dhole
Mains level: NA
A recent study has identified some priority talukas/tehsils where habitats can be consolidated to enhance population connectivity for the dhole or Asiatic Wild Dog (Cuon alpinus).
About Dhole
Wildlife (Protection) Act, 1972: Schedule II (Absolute protection – offences under these are prescribed the highest penalties.)
IUCN: Endangered
- The dhole is a canid native to Central, South, East Asia, and Southeast Asia.
- India perhaps supports the largest number of dholes, with key populations found in three landscapes — Western Ghats, Central India and Northeast India.
- It is a highly social animal, living in large clans without rigid dominance hierarchies and containing multiple breeding females.
Their significance
- Dholes play an important role as apex predators in forest ecosystems.
- Factors contributing to this decline include habitat loss, loss of prey, competition with other species, persecution due to livestock predation and disease transfer from domestic dogs.
Try answering this PYQ:
Which one of the following groups of animals belongs to the category of endangered species?
(a) Great Indian Bustard, Musk Deer, Red Panda, Asiatic Wild Ass
(b) Kashmir Stag, Cheetah, Blue Bull, Great Indian Bustard.
(c) Snow Leopard, Swamp Deer, Rhesus Monkey, Saras (Crane)
(d) Lion Tailed Macaque, Blue Bull, Hanuman Langur, Cheetah
Post your answers here.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Adi cascade
Mains level: NA
Making of check dams on streams and removal of boulders may wipe out the local population of Adi cascade frogs (Amolops adicola), a recently discovered species in Arunachal Pradesh, scientists claimed.
About Adi cascade
- The species was discovered while revisiting a century-old Adi expedition in 2018 and named after the land of the Adi tribe where the frogs dwell, particularly post-monsoon.
- The call of the frog is quite unique with continuous notes almost like a cricket.
- They are delivered at very short intervals, not long call groups — giving an impression of being continuous: A typical call lasts 485.2 milliseconds.
- The species is predominantly found in open riverine landscapes and human-inhabited rural areas.
- Males were mostly observed on tree saplings, fern fronds, and banana plants in and around the cultivated land.
- Locally known as Juri (stream) Tatik (frog) — is considered a local delicacy.
What are Cascade Frogs?
- The nomenclature ‘cascade frogs’ draws on their preference for small waterfalls.
- Cascade frogs, in general, depend on the flow of water.
- Both adults and tadpoles of Adi cascade frogs, the species in question, are particularly adapted to fast flowing sections of stream.
Rich biodiversity of Arunachal
- Arunachal, a biodiversity hotspot, is home to many endemics, endangered and threatened species as well as to indigenous people who depend on its biological resources.
- The Forest Survey of India in 2019 estimated that Arunachal had 66,688 sq km of forests — 79.6 per cent of the state’s area.
- Global Forest Watch, however, estimated the forests cover at 74 per cent of its total land area.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Indian Rhino
Mains level: NA
Assam will mark World Rhino Day — September 22 — with a special ceremony by burning a stockpile of nearly 2,500 horns of the one-horned rhinoceros.
Rhino Horn Reverification
- The public ceremony — scheduled at Bokakhat in Kaziranga National Park (KNP) has been publicized as a “milestone towards rhino conservation” aimed at “busting myths about rhino horns”.
- It’s a loud and clear message to the poachers and smugglers that such items have no value.
- Thus the case for the destruction of horns — a process that is in compliance with Section 39(3)(c) of the Wildlife (Protection) Act of 1972.
Why are Rhinos poached for horns?
- Ground rhino horn is used in traditional Chinese medicine to cure a range of ailments, from cancer to hangovers, and also as an aphrodisiac.
- In Vietnam, possessing a rhino horn is considered a status symbol.
- Due to demand in these countries, poaching pressure on rhinos is ever persistent against which one cannot let the guard down.
Try this PYQ:
Consider the following statements:
- Asiatic lion is naturally found in India only.
- Double-humped camel is naturally found in India only.
- One-horned rhinoceros is naturally found in India only.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
Post your answers here.
(Note: Comment feature is not available on the app.)
Back2Basics: Indian Rhino
- The Indian rhinoceros also called the greater one-horned rhinoceros and great Indian rhinoceros is a rhinoceros native to the Indian subcontinent.
- It is listed as Vulnerable on the IUCN Red List and Schedule I animal in the Wildlife Protection Act, 1972.
- It once ranged across the entire northern part of the Indian Subcontinent, along the Indus, Ganges and Brahmaputra River basins, from Pakistan to the Indian-Myanmar border.
- Poaching for rhinoceros horn became the single most important reason for the decline of the Indian rhino.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Humboldt Penguins
Mains level: In-situ conservation
Last week, Mumbai’s Byculla Zoo announced the addition of two new Humboldt penguin chicks this year.
Humboldt Penguins
- Humboldt penguins are medium-sized species among at least 17 species.
- The exact number of distinct species is debated, but it is generally agreed that there are between 17 and 19 species.
- The largest, the Emperor penguin, stands at over 4 ft tall while the Little penguin has a maximum height of 1 ft. Humboldt penguins have an average height of just over 2 ft.
- The Humboldt penguin (Spheniscus Humboldt) belongs to a genus that is commonly known as the ‘banded’ group.’
Relation with the Humboldt Oceanic Current
- Humboldt penguins are endemic to the Pacific coasts of Chile and Peru.
- They are so named because their habitat is located near the Humboldt Current, a large oceanic upwelling characterized by cold waters.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Dugong
Mains level: Not Much
India’s first Dugong conservation reserve will be built in Tamil Nadu for the conservation of Dugong, a marine mammal.
Try answering this PYQ:
With reference to ‘dugong’, a mammal found in India, which of the following statements is/are correct?
- It is a herbivorous marine animal.
- It is found along the entire coast of India.
- It is given legal protection under Schedule I of the Wildlife (Protection) Act, 1974.
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 3 only
Post your answers here.
Dugong Conservation Reserve
- The reserve will spread over an area of 500 km in Palk Bay on the southeast coast of Tamil Nadu.
- Palk Bay is a semi-enclosed shallow water body with a water depth maximum of 13 meters.
- Located between India and Sri Lanka along the Tamil Nadu coast, the dugong is a flagship species in the region.
Dugong: The sea cow
- Dugong or the sea cow is the State animal of Andaman & Nicobar Islands.
- This endangered marine species survive on seagrass and other aquatic vegetation found in the area.
- It is the only herbivorous mammal that is strictly marine and is the only extant species in the family Dugongidae.
- Dugongs are usually about three-meter long and weigh about 400 kg.
- Dugongs have an expanded head and trunk-like upper lip.
- Elephants are considered to be their closest relatives. However, unlike dolphins and other cetaceans, sea cows have two nostrils and no dorsal fin.
Their habitat
- Distributed in shallow tropical waters in the Indo-Pacific region, in India, they are found in the Gulf of Kutch, Gulf of Mannar, Palk Bay, and Andaman & Nicobar Islands.
- Dugongs are long-living animals, that have a low reproductive rate, long generation time, and high investment in each offspring.
- The female dugongs do not bear their first calf until they are at least 10 and up to 17 years old.
- A dugong population is unlikely to increase more than 5% per year. They take a long time to recover due to the slow breeding rate.
Causes of extinction
- Having being declared vulnerable, the marine animal calls for conserving efforts.
- Studies have suggested the reasons for the extinction of the animal such as slow breeding rate, fishing, and the loss of habitat.
- They are also known to suffer due to accidental entanglement and drowning in gill-nets.
Conservation in India
- The conservation reserve can promote growth and save vulnerable species from the verge of extinction.
- Dugongs are protected in India under Schedule 1 of the Indian Wildlife Act 1972 which bans the killing and purchasing of dugong meat.
- IUCN status: Vulnerable
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Species mentioned, Turtle Survival Alliance (TSA)
Mains level: NA
Indian biologist Shailendra Singh has been awarded the Behler Turtle Conservation Award for bringing three critically endangered turtle conservation species back from the brink of extinction.
Behler Turtle Conservation Award
- The Award is a major annual international award honoring excellence in the field of tortoise and freshwater turtle conservation and biology, and leadership in the chelonian conservation and biology community.
- It is co-presented by the Turtle Survival Alliance (TSA), the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group (TFTSG) among others.
- It is widely considered the “Nobel Prize” of turtle conservation and biology.
Citation for the 2021 Award
- For some species, such as the Red-crowned Roofed Turtle (Batagur kachuga), Northern River Terrapin (Batagur Baska), and Black Softshell Turtle (Nilssonia nigricans) Dr. Singh and his team’s efforts are the last hope for their wild survival in the country.
- In just 15 years, there are few individuals that have made such monumental contributions to turtle conservation.
Turtles in India
- The Northern River Terrapin (Batagur Baska) is being conserved at the Sunderbans; the Red-crowned Roofed Turtle (Batagur kachuga) at Chambal; and the Black Softshell Turtle (Nilssonia nigricans) at different temples in Assam.
- These critically endangered turtles are being conserved as a part of TSA India’s research, conservation breeding and education programme in different parts of the country.
- There are 29 species of freshwater turtles and tortoises in the country.
About Turtle Survival Alliance (TSA)
- The TSA was formed in 2001 as an International Union for Conservation of Nature (IUCN) partnership for sustainable captive management of freshwater turtles and tortoises.
- This alliance arose in response to the rampant and unsustainable harvest of Asian turtle populations to supply Chinese markets, a situation known as the Asian Turtle Crisis.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Species mentioned
Mains level: Not Much
India has added 557 new species to its fauna reveals Animal Discoveries 2020, a document published recently by the Zoological Survey of India (ZSI).
Major species discovered
The number of faunal species in India has climbed to 1,02,718 species. Among the new species, some interesting species discovered in 2020 are:
- Trimeresurus salazar, a new species of green pit viper discovered from Arunachal Pradesh;
- Lycodon deccanensis, the Deccan wolf snake discovered from Karnataka; and
- Sphaerotheca Bengaluru, a new species of burrowing frog named after the city of Bengaluru.
- Xyrias anjaalai, a new deep-water species of snake eel from Kerala;
- Glyptothorax giudikyensis, a new species of catfish from Manipur; and
- Clyster galateansis, a new species of scarab beetles from the Great Nicobar Biosphere.
Visitor species
- Myotis cf. frater, a bat species earlier known from China, Taiwan and Russia, has been reported for the first time from Uttarakhand in India
- Zoothera citrina gibsonhilli, an orange-headed thrush earlier known from southern Myanmar to south Thailand (central Malay peninsula) was reported for the first time from India based on a collection made from the Narcondam island in the Andaman & Nicobar Islands.
Significance
- The ZSI publication shows that India is a mega biodiverse country, rich in biodiversity, with 23.39% of its geographical area under forest and tree cover.
- India is positioned 8th in mega biodiversity countries in the world with 0.46 BioD index which is calculated by its percentage of species in each group relative to the total global number of species in each group.
About Zoological Survey of India
- The ZSI was set up by British zoologist Thomas Nelson Annandale, in 1916.
- It is the premier taxonomic research organization in India.
- It was established to promote surveys, exploration and research leading to advancement of our knowledge of various aspects of the exceptionally rich animal life of India.
- The ZSI had its genesis as the Zoological Section of the Indian Museum at Calcutta in 1875.
- Since its inception, the ZSI has been documenting the diversity and distribution of the fauna of India towards carrying out its mandate of conducting exploration-cum-taxonomic-research programmes.
- The ZSI has published an extremely large amount of information on all animal taxa, from Protozoa to Mammalia.
Try answering this PYQ:
Q.With reference to India’s Biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-throated redstart are: (CSP 2020)
(a) Birds
(b) Primates
(c) Reptiles
(d) Amphibians
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Slender Loris
Mains level: Various endemic species of India
The Kadavur hills in central Tamil Nadu’s Karur district are home to the Kadavur Reserve Forest. These forests are home to the shy and reclusive slender loris, a species of primate.
Slender Loris
- Slender loris (Loris tardigradus) is secretive and has nocturnal habits. It usually travels from the canopy of one tree to another. But, at times, it also comes down to bushes at the ground level to feed.
- It is also found in the adjoining forest areas on the eastern, southern and western slopes of the Kadavur hills.
- It sleeps by day in the foliage or in a hole or crevice. It comes out at dusk in search of prey.
- They are fond of lantana berries and also eat insects, lizards, small birds, tree frogs, tender leaves and buds.
- They are usually solitary but sometimes found in pairs.
Conservation
- The slender loris has been listed as ‘Endangered’ by the International Union for the Conservation of Nature.
- It has been brought under Schedule I of the Wild Life (Protection) Act, 1972 in order to provide the highest level of legal protection.
Threats
- As it is believed that these animals have some medicinal properties, they are captured and sold.
- Since there is great demand for keeping these animals as pets, they are illegally smuggled.
- Habitat loss, electrocution of live wires, and road accidents are other threats that have caused its populations to dwindle.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Greater Adjutant Storks
Mains level: NA
In a first, Bihar has decided to tag endangered greater adjutant storks (Leptoptilos dubius), locally known as ‘Garuda’, with GPS trackers to monitor their movement as a part of their conservation.
Greater Adjutant Storks
- Bhagalpur’s Kadwa Diara floodplains area is the third-most-popular breeding centre for the greater adjutant stork in the world after Assam and Cambodia.
- Historically the range of the Greater Adjutant covered India and Southeast Asia, but today the endangered storks are mostly found in the Indian state of Assam and in Cambodia.
- In India, the Greater Adjutant is now confined to the northeastern state of Assam, their last stronghold.
Try answering this PYQ:
Q.If you walk through the countryside, you are likely to see some birds stalking alongside the cattle to seize the insects, disturbed by their movement through grasses. Which of the following is/are such bird/ birds?
- Painted Stork
- Common Myna
- Black-necked Crane
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 2 only
(c) 2 and 3 only
(d) 3 only
Post your answers here:
Their conservation
- The greater adjutant is one of the most threatened stork species of the world and is widely considered to be a rare bird.
- However, the global population of the Greater Adjutant Stork is estimated to be roughly not more than 1,500 now.
- Hence it is classified as ‘endangered ‘on the IUCN’s Red List 2004 of threatened species and listed under Schedule IV of the Indian Wild Life (Protection) Act, 1972.
- The Bombay Natural History Society will help and work along with the state forest, environment, and climate change department to start the process of tagging greater adjutant storks with GPS tracker.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Great Indian Bustards
Mains level: Not Much
The Environment Ministry has informed the Parliament that there were no Great Indian Bustards (GIB) left in Kutch Bustard Sanctuary (KBS) in Gujarat’s Kutch district.
Great Indian Bustards
- GIBs are the largest among the four bustard species found in India, the other three being MacQueen’s bustard, lesser florican, and the Bengal florican.
- GIBs’ historic range included much of the Indian sub-continent but it has now shrunken to just 10 percent of it. Among the heaviest birds with flight, GIBs prefer grasslands as their habitats.
- GIBs are considered the flagship bird species of grassland.
On the brink of extinction
- The GIB population in India had fallen to just 150.
- Pakistan is also believed to host a few GIBs and yet openly supports their hunting.
Protection accorded
- Birdlife International: uplisted from Endangered to Critically Endangered (2011)
- Protection under CITES: Appendix I
- IUCN status: Critically Endangered
- Protection under Wildlife (Protection) Act: Schedule I
Threats
- Overhead power transmission
- Poor vision: Due to their poor frontal vision, can’t detect powerlines in time and their weight makes in-flight quick maneuvers difficult.
- Windmills: Coincidentally, Kutch and Thar desert are the places that have witnessed the creation of huge renewable energy infrastructure.
- Noise pollution: Noise affects the mating and courtship practices of the GIB.
- Changes in the landscape: by way of farmers cultivating their land, which otherwise used to remain fallow due to frequent droughts in Kutch.
- Cultivation changes: Cultivation of cotton and wheat instead of pulses and fodder are also cited as reasons for falling GIB numbers.
Supreme Court’s intervention
- The Supreme Court has ordered that all overhead power transmission lines in core and potential GIB habitats in Rajasthan and Gujarat should be undergrounded.
- The SC also formed a three-member committee to help power companies comply with the order.
Conservation measures
- In 2015, the Central government launched the GIB species recovery program.
- Under the program, the WII and Rajasthan Forest departments have jointly set up conservation breeding centers where GIB eggs are harvested from the wild.
- They have been incubated artificially and hatchlings raised in a controlled environment.
Answer this PYQ in the comment box:
Q.Consider the following pairs:
Protected Area :: Well-known for
- Bhiterkanika, Odisha — Salt Water Crocodile
- Desert National Park, Rajasthan — Great Indian Bustard
- Eravikulam, Kerala — Hoolock Gibbon
Which of the pairs given above is/are correctly matched? (CSP 2014)
(a) 1 only
(b) 1 and 2
(c) 2 only
(d) 1, 2 and 3
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Avicennia marina
Mains level: Mangroves and their significance
Scientists at the Department of Biotechnology (DBT) have reported for the first time a reference-grade whole genome sequence of a highly salt-tolerant and salt-secreting true-mangrove species Avicennia Marina.
Avicennia marina
- Avicennia marina is one of the most prominent mangroves species found in all mangrove formations in India.
- It is a salt-secreting and extraordinarily salt-tolerant mangrove species that grows optimally in 75% seawater and tolerates >250% seawater.
- It is among the rare plant species, which can excrete 40% of the salt through the salt glands in the leaves, besides its extraordinary capacity to exclude salt entry to the roots.
Why in news?
- The A. marina genome assembled in this study is nearly complete and can be considered as a reference-grade genome reported so far for any mangrove species globally and the first report from India.
- This study assumes significance as agriculture productivity globally is affected due to abiotic stress factors such as limited water availability and salinization of soil and water.
Its significance
- Availability of water is a significant challenge to crop production in dryland areas, accounting for ~40 per cent of the world’s total land area.
- Salinity is prevalent in ~900 million hectares globally (with an estimated 6.73 million ha in India), and it is estimated to cause an annual loss of 27 billion USD.
- The genomic resources generated in the study will pave the way for researchers to study the potential of the identified genes for developing drought and salinity tolerant varieties of important crop species.
- This is particularly important for the coastal region as India has 7,500m of coastline and two major island systems.
Try these PYQs:
Q.Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity? (CSP 2013)
(a) Oceans, lakes, grasslands, mangroves
(b) Mangroves, oceans, grasslands, lakes
(c) Mangroves, grasslands, lakes, oceans
(d) Oceans, mangroves, lakes, grasslands
Q.The 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities. How do mangroves function as a safety hedge? (CSP 2011)
(a) The mangrove swamps separate the human settlements from the sea by a wide zone in which people neither live nor venture out
(b) The mangroves provide both food and medicines which people are in need of after any natural disaster
(c) The mangrove trees are tall with dense canopies and serve as an excellent shelter during a cyclone or tsunami
(d) The mangrove trees do not get uprooted by storms and tides because of their extensive roots.
Back2Basics: Mangroves
- A mangrove is a shrub or small tree that grows in coastal saline or brackish water.
- Mangroves occur worldwide in the tropics and subtropics, mainly between latitudes 30° N and 30° S, with the greatest mangrove area within 5° of the equator.
- Mangroves are salt-tolerant trees, also called halophytes, and are adapted to live in harsh coastal conditions.
- They contain a complex salt filtration system and complex root system to cope with salt water immersion and wave action.
- They are adapted to the low-oxygen conditions of waterlogged mud.
- They are a unique group of species found in marshy intertidal estuarine regions and survive a high degree of salinity through several adaptive mechanisms.
- They form a link between marine and terrestrial ecosystems, protect shorelines, provide habitat for a diverse array of terrestrial organisms.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Euphlyctis Kerala
Mains level: NA
A new species of skittering frog has been identified from the surroundings of the Thattekkad bird sanctuary.
Euphlyctis Kerala
- The new species is named Euphlyctis Kerala in honor of the remarkable biodiversity of the State, which is also known for many endemic species of frogs.
- The new species is known to be found in the freshwater bodies of the foothills of the Western Ghats, south of the Palakkad Gap.
- Although multiple skittering frogs have been described from India for almost two centuries (since 1799), the taxonomic mess within this group created a lot of confusion due to “morphological character crypticity”.
- Members of the genus Euphlyctis (skittering frogs) have their distribution range from Arabian Peninsula, Pakistan, India, Nepal, Sri Lanka, Myanmar, and Thailand.
- As of now, Kerala is known to have 180 species of frogs and there could be many more new species awaiting formal descriptions.
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