💥UPSC 2027,2028 Mentorship (April Batch) + Access XFactor Notes & Microthemes PDF

Type: Species

  • New Species of Plants and Animals Discovered

    Melanochlamys Droupadi: New Sea Slug specie named after President Murmu

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Melanochlamys Droupadi

    Mains level: NA

     

    President Draupadi Murmu

    In the news

    • The Zoological Survey of India (ZSI) announced the discovery of a new marine species, Melanochlamys droupadi, named after the esteemed President of India, Droupadi Murmu.

    About Melanochlamys Droupadi

    • Geographical Origin: Melanochlamys droupadi was first sighted off the shores of Digha in West Bengal and Udaipur in Odisha, marking its exclusive habitat.
    • Distinctive Features: Characterized by its short, blunt cylindrical body and smooth dorsal surface adorned with two unequal shields, this species showcases unique anatomical traits.
    • Morphological Identification: The species was meticulously examined for morphological, anatomical, and molecular characteristics, confirming its taxonomic classification within the Melanochlamys genus.
    • Physical Attributes: It is a small invertebrate reaching up to 7 mm in length, exhibits a brownish-black hue with a striking ruby red spot.
    • Biological nature: It is hermaphroditic (possessing both male and female reproductive organs, structures, and tissue) and predominantly inhabits intertidal zones along sandy beaches.

    Habitat and Reproduction

    • Ecological Niche: The species is typically found in the intertidal zone, leaving distinctive crawl marks along sandy beaches.
    • Reproductive Cycle: Reproduction occurs primarily between November and January, marking a critical phase in the species’ life cycle.

    Distribution and Taxonomy

    • Indo-Pacific Realm: While species of the Melanochlamys genus are predominantly found in temperate regions of the Indo-Pacific Ocean, Melanochlamys droupadi stands out as a truly tropical species.
    • Research Insights: A study conducted by ZSI researchers sheds light on the species’ behavior, highlighting its unique ability to secrete transparent mucus, forming a protective sheath against sand grains.
  • New Species of Plants and Animals Discovered

    New Marine Species: Parhyale Odian from Chilika Lake

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Parhyale odian

    Mains level: NA

    Introduction

    • Researchers at Berhampur University in Odisha have made a remarkable discovery, unveiling a new species of marine amphipod from Chilika Lake, Asia’s largest brackish water lagoon on India’s east coast.

    About Parhyale Odian

    • Parhyale odian is a newly discovered species of marine amphipod.
    • It belongs to the genus Parhyale and was found in Chilika Lake, Odisha, India.
    • The species was named after the native language of Odisha, Odia.
    • Its discovery raises the global species count within the genus Parhyale to 16.
    • It is approximately eight millimeters in length and brown in color.
    • Parhyale odian possesses 13 pairs of legs.
    • Its distinguishing feature is a stout robust seta on the surface of the propodus of the male gnathopod.
  • Wildlife Conservation Efforts

    Horseshoe Crab: Living Fossils of the Sea

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Horseshoe Crab and its conservation

    Mains level: NA

    Horseshoe Crab

    Introduction

    • Environmental groups have petitioned the U.S. government to grant endangered species protection to the American horseshoe crab.
    • Horseshoe crabs, often called “living fossils,” have existed since before the age of dinosaurs.

    About Horseshoe Crab

    Description
    Habitat Shallow coastal waters with soft sandy or muddy bottoms;

    Spawns primarily on intertidal beaches during summer-spring high tides.

    Taxonomic Division Chelicerata, a division of Arthropoda, comprising spiders, scorpions, harvestmen, mites, and ticks; characterized by segmented body and limbs, and a chitinous exoskeleton.
    Status Referred to as a marine “living fossil” due to minimal evolutionary changes over time.
    Geographic Range American horseshoe crab: Eastern coast of the USA and the Gulf of Mexico.

    Indo-Pacific species (Tri-spine, Coastal, Mangrove): Mainly in coastal waters of India, Southeast Asia, China, and Japan.

    Habitat in India Odisha serves as the largest habitat for horseshoe crabs in India.
    Conservation Status Schedule IV of the Wildlife Protection Act of 1972.
    IUCN Status American horseshoe crab: Vulnerable.

    Tri-spine horseshoe crab: Endangered.

    Other two are not listed yet.

  • New Species of Plants and Animals Discovered

    New Species of Burrowing Frog: Sphaerotheca Varshaabhu

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Sphaerotheca Varshaabhu

    Mains level: Read the attached story

    Sphaerotheca Varshaabhu

    Introduction

    • In a remarkable discovery, researchers have unveiled an entirely new frog species Sphaerotheca Varshaabhu, the rain-welcoming frog, thriving within the urban landscape of Bengaluru.

    About Sphaerotheca Varshaabhu

    • A Fresh Discovery: Sphaerotheca Varshaabhu is not just a frog; it’s a newly identified frog species.
    • Name’s Significance: The name ‘Sphaerotheca Varshaabhu’ derives its meaning from its unique behavior of emerging from burrows with the onset of early showers, symbolizing its affinity for rain.
    • Distinctive Attributes: This recently unearthed amphibian boasts distinctive characteristics that differentiate it from known frog species.
    • Urban Adaptation: What sets Sphaerotheca Varshaabhu apart is its remarkable adaptation to urban surroundings. It showcases behaviors and physical attributes that equip it to overcome challenges posed by urbanization.
    • Scientific Confirmation: The research team employed advanced genetic analysis, in-depth morphological studies, and bio-acoustics to definitively establish the distinctiveness of this newfound amphibian.
  • Wildlife Conservation Efforts

    India has 718 snow leopards; most of them live in unprotected areas: Centre

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Snow Leopard Population Assessment in India

    Mains level: urgent need for increased legal protection and a dedicated conservation approach

    Central Idea:

    The report on the status of snow leopards in India, released by the Government of India and non-profit organizations, reveals that only 34% of the snow leopard habitat is legally protected. With snow leopards present in the country, the report emphasizes the need for a dedicated Snow Leopard Cell at the Wildlife Institute of India for long-term population monitoring and conservation efforts.

    Key Highlights:

    • Snow Leopard Population: India is home to snow leopards, and their habitat covers square kilometers.
    • Legal Protection: Only a third of the snow leopard habitat in India is legally protected, posing a significant threat to the species.
    • Unprotected Areas: Nearly 70% of the crucial snow leopard habitat remains unprotected, highlighting the need for conservation measures.
    • Population Assessment: The four-year assessment conducted by SPAI using camera traps identified unique individuals.
    • Hotspots: Ladakh has the highest number of snow leopards, followed by Uttarakhand and Himachal Pradesh.

    Key Challenges:

    • Limited Legal Protection: The majority of snow leopard habitat lacks legal safeguards, exposing them to potential threats.
    • Undefined Range: The absence of an extensive nationwide analysis has left the snow leopard range in India undefined.
    • Population Estimate: The need for a revised estimate arises, challenging the previous range of snow leopards in India.

    Key Terms and Phrases:

    • Snow Leopard Cell: Proposed dedicated unit for long-term monitoring and conservation efforts.
    • SPAI: The Snow Leopard Population Assessment in India, coordinating the assessment.
    • Camera Traps: Utilized for capturing images of snow leopards at locations.
    • Vulnerable: Snow leopards are classified as ‘Vulnerable’ in the International Union for Conservation of Nature Red List.

    Key Quotes:

    • “The snow leopard range in India remained undefined due to lack of an extensive nationwide analysis.”
    • “Regular assessments will offer valuable insights for identifying challenges, addressing threats, and formulating effective conservation strategies.”

    Key Statements:

    • The report emphasizes the necessity of a Snow Leopard Cell for effective conservation strategies.
    • Regular population assessments are crucial for understanding challenges and threats to snow leopards.

    Key Examples and References:

    • The report cites Ladakh, Uttarakhand, and Himachal Pradesh as hotspots for snow leopards.
    • SPAI, with partners like the Wildlife Institute of India, conducted the assessment using camera traps.

    Key Facts and Data:

    • Snow leopard occupancy was recorded in square kilometers, with an estimated presence in square kilometers.

    Critical Analysis:

    The report underscores the urgent need for increased legal protection and a dedicated conservation approach, citing the inadequacy of the previous population estimate and the undefined snow leopard range. The increased coverage of the region compared to 2016 is noted, but challenges persist, requiring immediate attention.

    Way Forward:

    • Establish Snow Leopard Cell: Create the proposed Snow Leopard Cell for consistent monitoring and organized studies.
    • Regular Assessments: Adopt a periodic population estimation approach every fourth year for continuous insights.
    • Legal Safeguards: Increase legal protection for the remaining unprotected snow leopard habitat.
    • Revised Population Estimate: Conduct a revised assessment to accurately determine the snow leopard population in India.
    • Public Awareness: Increase public awareness to garner support for snow leopard conservation efforts.
  • Animal Husbandry, Dairy & Fisheries Sector – Pashudhan Sanjivani, E- Pashudhan Haat, etc

    Punganur Cows: The Rare Dwarf Breed Making Waves

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Punganur Cows

    Mains level: Not Much

    Punganur Cows

    Introduction to Punganur Cattle

    • On the auspicious occasion of Makar Sankranti, Prime Minister made headlines by feeding Mini Punganur cows at his residence in New Delhi.
    • His gesture not only symbolized a cultural tradition but also shed light on this unique cattle breed.

    About Punganur Cows

    • Origin: Punganur cows hail from the Punganur municipality in Andhra Pradesh’s Chittoor district.
    • Dwarf Stature: These mini cows are exceptionally small, measuring just 70-90 cm in height, with an average weight ranging from 115-200 kg.
    • Distinctive Features: They are known for their broad foreheads, short horns, and are ideal for small-scale dairy and organic farming.
    • Milk Capacity: Punganur cows are recognized for their rich milk production, yielding 3 to 5 liters of milk daily.
    • Temple Use: Many temples in Andhra Pradesh, including the renowned Tirupati Thirumala Temple, use the milk of Punganur cows for Ksheeraabhishekam (milk offerings to deities).
    • Varied Costs: The Punganur Cow cost ranges from Rs 1 lakh to 10 lakhs, depending on factors like purity and health.

    Nutrition in Punganur Cow’s Milk

    • Presence of Gold: Notably, the milk from Punganur cows contains an element identified as ‘Au’, the chemical symbol for gold.
    • High-Fat Content: Punganur cow’s milk boasts a high-fat content of eight percent, in contrast to 3 to 4 percent in other indigenous breeds.
    • Nutrient-Rich: This milk is rich in Omega fatty acids, calcium, potassium, and magnesium, offering significant nutritional benefits.
    • Medicinal Value: The milk is believed to possess medicinal properties, contributing to overall health.

    Resilience and Adaptability

    • Drought-Resistant: Punganur cows exhibit remarkable resilience, with the ability to thrive on dry fodder like grass, straw, and hay.
    • Docile Temperament: They have a calm and manageable temperament, making them easy to handle.
    • Disease Resistance: These cows are resistant to common diseases and parasites, adding to their appeal.

    Breed Protection Measures

    • Threat of Extinction: At one point, Punganur cattle faced extinction due to a shift towards hybrid cattle for higher milk production.
    • Mission Punganur: In 2020, the Andhra Pradesh government initiated ‘Mission Punganur’ with an allocation of Rs 69.36 crore to boost the cattle population using IVF technology.
    • Enhancing Reproduction: The mission aimed to enhance reproductive efficiency, with plans to produce 8.5 offspring from each cow within five years.
    • PMO’s Involvement: The Prime Minister’s Office (PMO) is also part of the conservation efforts, rearing a group of Punganur cattle.
  • Wildlife Conservation Efforts

    Himalayan Wolf Listed as ‘Vulnerable’ on IUCN Red List

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Himalayan Wolf

    Mains level: NA

    Himalayan Wolf

    Introduction

    • The Himalayan Wolf (Canis lupus chanco), a distinct lupine species inhabiting the Himalayas, has recently been classified as ‘Vulnerable’ on the International Union for Conservation of Nature (IUCN)’s Red List.
    • This classification highlights the urgent need for conservation efforts to protect this unique predator.

    About Himalayan Wolf

    • Taxonomic Status: Long a subject of taxonomic ambiguity, the Himalayan Wolf has been confirmed as a genetically unique lineage of wolves.
    • Population Estimate: The IUCN Red List estimates the population of mature individuals to be between 2,275 and 3,792, acknowledging the uncertainty of this figure.
    • Geographical Range: The Himalayan Wolf is found across the Himalayan range of Nepal and India and extends across the Tibetan Plateau.
    • Population in India: In the Indian Himalayas, the population is estimated to be between 227 and 378 mature individuals, primarily in Ladakh and the Spiti Valley of Himachal Pradesh, with potential small populations in Uttarakhand and Sikkim.

    Conservation Challenges

    • Habitat Decline: The species faces a continuing decline in habitat quality and extent.
    • Conflict with Livestock: Livestock depredation conflicts are significant, exacerbated by habitat modification and depletion of wild prey.
    • Hybridization Threats: Increasing populations of feral dogs in regions like Ladakh and Spiti pose a threat of hybridization.
    • Illegal Hunting: The Himalayan Wolf is hunted illegally for its fur and body parts, contributing to its declining numbers.

    Conservation Strategies Proposed

    • Habitat and Prey Restoration: Securing and restoring healthy wild prey populations and landscapes, and establishing wildlife habitat refuges.
    • Improved Livestock Management: Enhancing livestock guarding methods, including predator-proof corral pens, sustainable herding practices, and holistic management practices.
    • Feral Dog Population Management: Addressing the growing challenge of feral dogs that threaten the Himalayan Wolf through hybridization.
    • Trans-boundary Conservation Efforts: Collaborative efforts among range countries for research, monitoring, and conservation.
    • Herding/Pasture Management: Improving practices in regions where wolves are heavily dependent on livestock, such as in Ladakh.
    • Inclusion in Conservation Programs: Incorporating the Himalayan Wolf in conservation programs to promote public acceptance and reduce persecution.
  • Wildlife Conservation Efforts

    Kyrgyzstan declares Snow Leopard as National Symbol

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Snow Leopard

    Mains level: NA

    Snow Leopard

    Central Idea

    • Kyrgyzstan, a Central Asian country, has declared the snow leopard as its national symbol.

    About Snow Leopard

    Details
    Habitat Mountainous regions of Central and Southern Asia; in India: western and eastern Himalayas.
    Indian Geographical Range Western Himalayas (J&K, Ladakh, Himachal Pradesh, Uttarakhand) and Eastern Himalayas (Sikkim, Arunachal Pradesh).
    Project Snow Leopard (2009) Aims to strengthen wildlife conservation in the Himalayan high altitudes, involving local communities.
    Conservation Status IUCN Red List: Vulnerable

    CITES: Appendix I

    Wildlife (Protection) Act, 1972 (India): Schedule I

    India’s Conservation Efforts Flagship species for high altitude Himalayas.

    Part of GSLEP Programme since 2013.

    Himalaya Sanrakshak community programme (2020).

    National Protocol on Snow Leopard Population Assessment (2019)

    SECURE Himalaya project (GEF-UNDP funded).

    Listed in 21 critically endangered species for recovery by MoEF&CC.

    Conservation breeding at Padmaja Naidu Himalayan Zoological Park.

    GSLEP Programme Inter-governmental alliance of 12 snow leopard countries (India, Nepal, Bhutan, China, Mongolia, Russia, Pakistan, Afghanistan, Kyrgyzstan, Kazakhstan, Tajikistan, and Uzbekistan), focusing on ecosystem value awareness.
    Living Himalaya Network Initiative WWF’s initiative across Bhutan, India (North-East), and Nepal for conservation impact in the Eastern Himalayas.

    Significance of the Snow Leopard

    • The snow leopard symbolizes the health and stability of mountain ecosystems, which cover a significant portion of the global territory.
    • The snow leopard has been a totem animal in ancient Kyrgyz culture, associated with the legendary figure Manas.
    • The harmony between humans and nature, symbolized by the snow leopard, is portrayed in Chyngyz Aitmatov’s novel “When Mountains Fall.”
  • Climate Change Impact on India and World – International Reports, Key Observations, etc.

    Self-pollination in Field Pansy Flower  

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Field Pansy Flower

    Mains level: NA

    Field Pansy Flower

    Central Idea

    • Researchers have found that a flower species in Paris, the field pansy (Viola arvensis), is evolving rapidly, exhibiting reduced nectar production and smaller flower sizes.
    • This study aims to understand the impact of these evolutionary changes on plant-pollinator interactions.

    Changing Nature of Field Pansy

    • Decreased Nectar and Size: The wild pansy variety in Paris showed a 20% reduction in nectar production and a 10% decrease in flower size.
    • Comparative Analysis: Scientists compared current flower growth with seeds from 20-30 years ago, observing notable changes.
    • Adaptation to Pollinator Decline: The evolution towards self-pollination in field pansies is attributed to the decreasing availability of insect pollinators.
    • Experimental Design: The study employed the “resurrection ecology” method, planting seeds from the 1990s and 2000s alongside their 2021 descendants.

    Implications of Self-Pollination and Evolutionary Shifts

    • Contrast with Angiosperm Convention: The move towards self-pollination deviates from the typical reliance of angiosperms on insects for pollination.
    • Long-Term Coevolution: The traditional plant-insect relationship, involving nectar production for pollination, has evolved over 100 million years.
    • Genetic Analysis: Population genetics analysis revealed a 27% increase in selfing rates, with consistent trait shifts across studied populations.

    Concerns and Potential Consequences

    • Short-Term Benefits, Long-Term Risks: While self-pollination may offer short-term advantages, it poses long-term survival threats to plants amid environmental changes.
    • Feedback Loop Risks: Reduced nectar production could lead to further declines in pollinator populations, creating a detrimental eco-evolutionary feedback loop.
    • Network Degradation: The study highlights the degradation of plant-pollinator networks, as observed in previous research.
  • Wildlife Conservation Efforts

    Rediscovery of Namdapha Flying Squirrel in Arunachal Pradesh

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Namdapha Flying Squirrel

    Mains level: Not Much

     

    Namdapha Flying Squirrel

    Central Idea

    • The Namdapha flying squirrel, missing for 42 years, has been sighted again in Arunachal Pradesh.
    • This rare species was last documented in 1981 in the Namdapha Tiger Reserve.

    Namdapha Flying Squirrel

    Details
    Species Name Namdapha Flying Squirrel (Biswamoyopterus biswasi)
    Type Arboreal, nocturnal flying squirrel
    Endemic Region Arunachal Pradesh, Northeast India
    Habitat Tall Mesua ferrea jungles, often on hill slopes in the catchment area of the Dihing River, northeastern India
    First Discovery Known from a single specimen collected in Namdapha National Park in 1981
    Physical Description – Reddish, grizzled fur with white above

    – Pale grey crown, orangish patagium, white underparts

    Genus Significance Was the sole member of its genus until the discovery of other species like Biswamoyopterus laoensis (2013) and Biswamoyopterus gaoligongensis (2018)
    Conservation Status IUCN Status: Critically Endangered

    Wildlife Protection Act Status: Schedule I

    Threats Threatened by poaching and possibly habitat destruction