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Type: National Parks/WS

  • Asola Bhatti Wildlife Sanctuary

    asola bhatti

    Central Idea

    • The Delhi High Court is considering staying a forest department ‘Walkathon’ event in the Asola Bhatti Wildlife Sanctuary.

    About Asola Bhatti WLS

    • Location: Situated in the southern part of Delhi and extends into Faridabad and Gurugram districts of Haryana.
    • Spread: Occupies 32.71 sq. km on the Aravalli hill range’s Southern Delhi Ridge, bordering Delhi and Haryana.
    • Connectivity: Forms a part of Rajasthan’s Sariska Tiger Reserve to the Delhi Ridge.
    • Vegetation: Classified under Northern Tropical Thorn Forests.
    • Plant Adaptations: Features plants with xerophytic characteristics like thorns, wax-coated and succulent leaves.
    • Flora: Characterized by the presence of the exotic Prosopis juliflora and the native Diospyros montana.
    • Wildlife Diversity: Home to species such as Golden Jackals, Striped-Hyenas, Indian Crested-Porcupines, Civets, Jungle Cats, various snakes, Monitor Lizards, and Mongoose.

  • Places in news: Kadalundi Mudflats

    Central Idea

    • Kadalundi’s mudflats are shrinking drastically with sands cover.
    • These mudflats have been a vital source of sustenance for thousands of migrant shorebirds, offering abundant prey like polychaetes and crustaceans.

    About Kadalundi Mudflats

    • Kadalundi Mudflats are situated in the Kadalundi Bird Sanctuary, which is located in the Kozhikode district of Kerala, along the southwestern coast of India. The sanctuary encompasses estuarine wetlands, mudflats, and mangrove forests.
    • The mudflats are part of the estuarine ecosystem formed at the confluence of the Kadalundi River and the Arabian Sea.
    • This unique environment is influenced by both freshwater from the river and saline water from the sea, creating a diverse habitat.

    Ecological significance

    • Kadalundi Mudflats are renowned for their rich biodiversity, especially in terms of avian species.
    • The Kadalundi Bird Sanctuary and the mudflats are protected under the Wildlife Protection Act of 1972.
    • The mudflats serve as a critical habitat for various resident and migratory birds.
    • It is estimated that over 100 species of resident and migratory birds visit the area, making it a paradise for birdwatchers and ornithologists.
    • They are a crucial stopover point for migratory birds travelling along the East Asia-Australasia Flyway.

  • Mount Etna in Italy erupts

    etna

    Central Idea

    • Volcanic eruptions often make headlines only when iconic volcanoes like Etna, Kilauea, or Eyjafjallajokull erupt.
    • However, throughout any given year, our planet witnessed numerous volcanic eruptions, with as many as 50 to 80 occurring worldwide.

    About Mount Etna

    • Mount Etna, located in Italy, holds the title of Europe’s most active volcano and ranks among the world’s largest.
    • Its recorded volcanic activity dates back to 1500 B.C., with over 200 eruptions documented since then.
    • Etna’s recent eruptions have disrupted air travel, leading to flight cancellations at the nearby Catania airport.
    • Additionally, the accumulation of volcanic ash on roads prompted authorities to temporarily ban the use of cars and motorbikes due to safety concerns.

    Volcanic Eruptions this Year

    Many of the world’s most active volcanoes are concentrated in the Pacific Ring of Fire, encompassing regions like New Zealand, Southeast Asia, Japan, and the western coast of the Americas. This volatile area also experiences about 90% of all earthquakes globally.

    • Kilauea, Hawaii: The Kilauea volcano in Hawaii captivated the world with a nearly nonstop eruption that began in 1983 and continued for an astonishing 35 years until 2018. Remarkably, it rekindled in 2021, with the eruption still ongoing.
    • Dukono, Indonesia: Erupting since August 1933, Dukono volcano in Indonesia stands as a testament to long-term volcanic activity, defying the passage of time.
    • Santa Maria, Guatemala: The eruption of Santa Maria in Guatemala commenced in June 1922 and persists to this day, underscoring the enduring nature of certain volcanic phenomena.
    • Yasur, Vanuatu: Yasur in Vanuatu first erupted around 1270 and has maintained its volcanic activity, continuing as of June 9, 2023.

    Understanding Volcanoes

    • Volcanoes are geological features characterized by openings or vents through which lava, tephra (small rocks), and steam erupt onto the Earth’s surface.
    • They result from both their own eruptions and the broader processes of tectonic plate movement.
    • Volcanic eruptions are essentially the result of magma, or molten rock, beneath the Earth’s surface rising, bubbling, and ultimately overflowing, much like boiling milk spilling out of a pot on a stove.
    • The magma seeks pathways to vents within the volcano, where it erupts and is expelled across the land and into the atmosphere, a phenomenon referred to as lava.

    Types of Volcanoes

    Appearance Formation Eruption Style Notable Examples
    Cinder Cones Small, steep, conical Formed from basaltic magma with high gas content Often explosive eruptions with cinders/scoria Paricutin (Mexico), Sunset Crater (USA)
    Composite/Stratovolcanoes Tall and symmetrical Result from alternating layers of lava, ash, etc. Both explosive and effusive eruptions Mount St. Helens (USA), Mount Fuji (Japan)
    Shield Volcanoes Broad and gently sloping Primarily formed from basaltic magma Primarily non-explosive with extensive lava flows Mauna Loa, Mauna Kea (Hawaii)
    Lava Domes Rounded dome-like shape Formed from slow extrusion of viscous magma Typically non-explosive but can be dangerous Novarupta Dome (Alaska), Mount St. Helens’ Lava Dome (USA)

  • In news: Mhadei Wildlife Sanctuary (WLS)

    Mhadei Wildlife Sanctuary

    Central Idea

    • The Goa bench of the Bombay High Court issued directives to the Goa government, compelling the establishment of a tiger reserve within Mhadei Wildlife Sanctuary (WLS).
    • The National Tiger Conservation Authority (NTCA) had identified Goa’s Cotigao-Mhadei forest complex, which encompasses several protected areas, as an ideal habitat for tigers.

    About Mhadei Wildlife Sanctuary

    Location Western Ghats, spanning Goa, Karnataka, and Maharashtra.
    Establishment Designated as a wildlife sanctuary in 1999.
    Area Approximately 208.5 square kilometers.
    Ecological Significance Located within the UNESCO World Heritage-listed Sahyadri mountain range. Comprises various forest types and grasslands, supporting diverse flora and fauna.
    Flora Rich in plant species, including medicinal plants and endemic flora.
    Fauna Home to Tigers, Indian gaur, sambar deer, leopards, barking deer, wild boars, reptiles, amphibians, and birds.
    Conservation Importance Crucial for conserving endangered species and maintaining biodiversity in the Western Ghats. Promotes genetic diversity through wildlife corridors.
    Legal Dispute Ongoing disagreement between Goa and Karnataka regarding Mhadei/Mahadayi (Mandowi) River water diversion, with concerns about its impact on the sanctuary’s ecology.

  • Places in news: Dagestan

    Dagestan

    Central Idea

    • A recent incident involving anti-Israel protesters storming an airport in Makhachkala, Dagestan, has drawn international attention.
    • This incident highlights the unique position of Dagestan, which, while sounding like a country, is actually a province within Russia.

    About Dagestan

    • Dagestan, officially known as the Republic of Dagestan, is a province within the Russian Federation, dispelling any confusion arising from its name.
    • Situated in the southernmost part of Russia, it holds strategic importance for the country.

    Geographical Location

    • Land of Mountains: Dagestan’s name translates to “land of the mountains,” emphasizing its mountainous terrain.
    • North Caucasus: Located in the eastern part of the North Caucasus, it shares borders with Georgia and Chechnya to the west and Azerbaijan to the south. To the east lies the Caspian Sea.
    • Inaccessible Terrain: Some areas within Dagestan’s mountains are so remote that reaching them requires helicopters.

    Ethnic Diversity

    • Over 40 Ethnicities: The province is home to at least 40 different ethnic groups.
    • 30+ Languages: More than 30 languages are spoken in this region.
    • Prominent Ethnic Groups: The largest ethnic group in Dagestan is the Avars, comprising approximately one-fifth of the population. Other significant groups include Dargins, Kumyks, and Lezgins.
    • Ethnic Russian Presence: Despite the ethnic diversity, around 10% of Dagestan’s population is ethnically Russian.

    Capital: Makhachkala

    • Strategic Coastal City: Makhachkala, the capital of Dagestan, is situated along the Caspian Sea coast.
    • Historical Significance: Once a major trading port, Makhachkala was conquered by the Russian Imperial Army in the 19th century.
    • Oil and Gas Hub: Today, Dagestan serves as a crucial conduit for oil and gas pipelines connecting the Caspian Sea to Russia’s heartland, possessing its own reserves of these resources.
    • Challenges: The region has grappled with organized crime and instability, with Russian security forces combating armed insurgencies and militant groups in Dagestan and neighboring areas.

  • Places in news: Rafah Crossing

    rafah crossing

    Central Idea

    • Palestinians have been gathering at the Rafah border crossing with Egypt in the southern Gaza Strip.
    • Meanwhile, Egypt has opened the borders for UN humanitarian aid for Palestinians.

    What is Rafah Crossing?

    • The Rafah Crossing is a border crossing point between the Gaza Strip and Egypt, located in the southern Gaza Strip.
    • It serves as one of the few access points for people and goods to enter or exit the Gaza Strip, which is a Palestinian territory along the eastern coast of the Mediterranean Sea.
    • Egypt has maintained strict movement restrictions at the Rafah crossing for years, raising concerns that it indirectly supports Israel’s Gaza blockade, which began in 2007 after Hamas took control.

    Egypt’s Role and Restrictions

    • Security Concerns: Security concerns in North Sinai, where Egypt has battled jihadists linked to Al Qaeda, have largely justified these restrictions.
    • Avoiding Exodus: Egypt may be reluctant to open the crossing without clear conditions and guarantees to avoid a mass exodus of Palestinians from Gaza.
    • Responsibility Concerns: Egypt is concerned about being responsible for a large influx of Gazans if the crossing is opened indefinitely.
    • Permanent Resettlement: Egypt is reluctant to facilitate a permanent resettlement of hundreds of thousands of Palestinians from Gaza.

  • Places in news: Dhanauri Wetland

    Dhanauri Wetland

    Central Idea

    • The National Green Tribunal has given the UP government four weeks to inform it about the status of the Ramsar tag for Dhanauri wetlands.

    Dhanauri Wetland

    • The Dhanauri Wetlands is a bird-watching area located in Dhanauri village near Dankaur in Uttar Pradesh.
    • It is home to over 120 Sarus cranes (Sarus Cranes is the state bird of Uttar Pradesh).
    • It is a sanctuary for 23 species of endangered, critically endangered, and threatened birds, with special significance as a habitat for the majestic Sarus crane.

    Ecological Significance

    • Dhanauri is a natural wetland that hosts more than 217 bird species, including over 150 Sarus cranes, and serves as a vital birding and nesting site.
    • It has received recognition as an Important Bird Area by Bird Life International and has been documented by the BNHS (Bombay Natural History Society).
    • During peak migratory seasons (November to March), the wetland hosts over 50,000 waterfowls.

    Why in news?

    • Dhanauri plays a crucial role in supporting the vulnerable Sarus crane population.
    • The wetland fulfills two key Ramsar site criteria out of nine:
      1. It hosts over 1% of the biogeographic Sarus crane population.
      2. The area serves as a congregation site for 20,000+ waterfowls and various other species.

    Ramsar Wetlands

    • The Ramsar Convention, also known as the ‘Convention on Wetlands,’ is an intergovernmental environmental treaty founded by UNESCO in 1971.
    • It derives its name from the city of Ramsar in Iran, where it was initially signed.
    • Ramsar sites are wetlands of global significance recognized under this treaty.
    • The Montreux Record is a register of wetland sites on the brink of ecological changes and in need of close monitoring under the Ramsar Convention.

    Ramsar Site Designation Criteria:

    Ramsar site designation hinges on several factors:

    1. Representing rare or unique natural wetland types.
    2. Supporting endangered species or threatened ecological communities.
    3. Maintaining biodiversity in specific biogeographic regions.
    4. Offering refuge during adverse conditions.
    5. Regularly accommodating 20,000 or more waterbirds.
    6. Sustaining 1% of a population of a single water-bird species.
    7. Serving as a critical source of food, spawning grounds, nurseries, and migration paths for fish.
    8. Regularly supporting 1% of a population of non-avian wetland-dependent animal species.

  • India-Sri Lanka Ferry Service

    India-Sri Lanka Ferry Service

    Central Idea

    • PM Modi inaugurated an international, high-speed passenger ferry service in Palk Strait between Nagapattinam in Tamil Nadu, India, and Kankesanthurai, near Jaffna in Sri Lanka.

    India-Sri Lanka Ferry

    • The service is operated by the Tamil Nadu Maritime Board and Shipping Corporation of India.
    • It will operate daily, covering the 60-nautical mile (110-km) journey in approximately 3.5 hours.
    • Passengers are entitled to a 50kg free baggage allowance.
    • The Indo-Ceylon Express or Board Mail used to operate between Chennai and Colombo via Thoothukudi port.
    • However, this was stopped in 1982 due to the civil war in the island country.

    About Palk Strait

    Location Narrow water body separating Tamil Nadu, India, and Sri Lanka.
    Name Origin Named after Robert Palk, a British Raj-era governor of Madras Presidency (1755-1763).
    Geographic Boundaries Southern boundaries include Pamban Island (India), Adam’s Bridge (shoals), Gulf of Mannar, and Mannar Island (Sri Lanka).
    Connection Connects the Bay of Bengal in the northeast with the Gulf of Mannar in the southwest.
    Alternate Name Southwestern part of the strait is known as Palk Bay.
    Dimensions Width varies from 40 to 85 miles (64 to 137 km), length is approximately 85 miles, and depth is less than 330 feet (100 meters).
    River Inflows Vaigai River in Tamil Nadu flow into the Palk Strait.

  • Kanwar Lake: Bihar’s only Ramsar Site drying up

    kanwar lake

    Central Idea

    • Kawar Lake, Bihar’s only Ramsar Site, is experiencing a significant decrease in water levels and degradation.
    • However, it is drying up due to negligence.

    About Kanwar Lake/ Kabartal Wetland

    • The Kanwar Lake is Asia’s largest oxbow lake situated in the Begusarai district of Bihar.
    • It is a residual oxbow lake, formed due to the meandering of Gandak River, a tributary of Ganga.
    • It was declared a Ramsar site in 2020, making it the first wetland in Bihar to be included in the Ramsar convention.
    • This lake draws water from the confluence of the Gandak, the Bia and the Kareh river – is situated near Manjhaul, 22 km northwest of Begusarai, the district headquarters.

    Various threats to Kanwar Lake

    • Challenges include migratory bird hunting, agricultural activities around wetland areas, and government policies related to wetland management and conservation.
    • This decline has negatively impacted the livelihoods of around 20,000 Nishad community members in nearby villages who depend on fishing.

    Bihar’s Wetland Potential

    • Bihar possesses a substantial area of wetlands, covering around 4.4% of its total geographical area, according to data from ISRO.
    • Despite its wetland potential, Bihar has only one recognized Ramsar site out of a total of 75 in India.

    Potential Wetlands

    • Bihar has proposed several wetlands for Ramsar designation, including Kusheshwarsthan, Barela, Goga Bil, Nagiand Nakti dams, Udaipur Lake, Vikramshila Gangetic Dolphin Sanctuary, and Gokul Reservoir.
    • These wetlands are home to a range of wildlife, including migratory birds and endangered species like dolphins.

    Back2Basics:

    Ramsar Convention
    Purpose International treaty aimed at conserving and promoting the sustainable use of wetlands.
    Establishment Established on February 2, 1971, in Ramsar, Iran.
    Participating Countries 171 contracting parties (countries) as of September 2021.
    India and Ramsar Convention The first Ramsar Site in India, the Chilika Lake in Odisha, was designated in 1981.

  • Places in news: Gurez Valley

    gurez valley

    Central Idea

    • The high-altitude passes within the Gurez valley, located in northern Kashmir, are now linked to the Mushkoh valley in the Drass Sector of Kargil, Ladakh. This region was a significant site during the 1999 war.
    • The newly established 130-kilometer road has been opened to tourists, and one of its highest passes, Kaobal Gali, situated at an elevation of 4,166.9 meters in Gurez, serves as the vital link connecting these two valleys.

    About Gurez Valley

    • Found in the Kashmir valley, Gurez is positioned near the Line of Control, which separates it from Pakistan-administered Kashmir’s Astore and Neelum districts.
    • The local inhabitants are primarily ethnic Dards/Shins who speak the Shina language and share similar dress and cultural traditions with their counterparts in Pakistani-administered Gilgit-Baltistan.
    • The Buduaab village within Gurez valley is known for its Zumba yak, a smaller breed compared to other yaks.
    • Gurez valley played a significant role in the Kargil war.
    • It is closely situated to the Line of Control (LoC), with the Kishanganga river delineating the border in multiple areas.
    • Unique to the Gurez valley is the presence of villages constructed entirely of log houses, devoid of modern urban construction materials.
    • The region boasts diverse fauna and wildlife, including species such as the Himalayan brown bear, snow leopard, ibex, musk deer, and marmots.
    • With approximately 38,000 inhabitants, the Gurez valley has already welcomed an impressive 50,000 tourists this year.

    Back2Basisc: Mushkoh Valley

    • Located in Dras, Ladakh, the Mushkoh valley is also renowned as the “valley of wild tulips.”
    • The valley gained notoriety due to the fierce battle at Tiger Hill during a conflict between India and Pakistan, resulting in numerous casualties on both sides.
    • Mushkoh valley’s meadows are adorned with vibrant wild tulip flowers, and it is home to the endangered Himalayan yew.