Coral reefs in india upsc. Ideal Conditions and Ecological Causes.

Coral reefs in india upsc. Page link Nov 29, 2022 · Coral reefs host far more number of animal phyla than those hosted by tropical rainforests. Palk Bay and the Gulf of Mannar with numerous fringing reefs around small islands in the south east also have coral reefs. Patchy coral is present in the intertidal areas of the central west coast of the country. The corals occur in different forms and colours, depending upon the nature of salts or constituents they are made of. Its members now include 45 countries that represent three quarters of the world’s coral reefs. All of these reefs are Fringing reefs, except Lakshadweep which are Atolls. Scientists discovered an invasive species Carijoa Riisei (Snowflake coral) off Thiruvananthapuram and Kanyakumari coasts. Coral reefs are important for many different reasons: They protect coastlines from the damaging effects of wave action and tropical storms. India has about 7517 km of coastline including islands but mainland coast is 6100 km. There are Patchy corals present along the inter-tidal areas of Coral reef ecosystems. Which of the statements given above is/are correct? (a) 1 and 2 only (b) 3 only (c) 1 and 3 only (d) 1, 2 and 3. Coral reefs provide about 10% of the fish caught worldwide (70-90% for the Southeast Asian countries) Important for carbon sequestration: Coral reefs (made of calcium carbonate) are an important reservoir of carbon and help sequester ocean carbon, thus are an important part of the carbon cycle. Best UPSC IAS coaching in India Jan 24, 2024 · UPSC Civil Services Examination, Previous Year Questions (PYQ) Prelims. UPSC CDS General Knowledge All India Mock Test Aug 16, 2024 · Significance of Coral Reefs. Download Coral Reefs notes PDF and for UPSC 2023 preparation, follow BYJU'S. Apr 21, 2024 · Corals are largely classified as either hard coral or soft coral. Coral polyps, the animals primarily responsible for building reefs, can take many forms: large reef building colonies, graceful flowing fans, and even small, solitary organisms. Jul 5, 2022 · There are 15 coral species that are only found in the Coral Triangle and nowhere else in the world. Each coral reef is made up of colonies of tiny animals called polyps. The loss of coral reefs would devastate marine biodiversity and the human communities that depend on these ecosystems for livelihoods, food security, and coastal protection. The topic of coral reefs is covered under the Environment and Ecology section of the UPSC Syllabus. Coral Reefs in India [UPSC Notes] What is a Coral Reef? Coral Reefs are elementary sedimentary rocks located above the sea and oceanic bed of continental shelf and mid-oceanic ridges. Coral reefs thrive under stable climatic conditions Coral reefs are some of the most diverse ecosystems in the world. Dec 14, 2021 · The three major types of coral reefs found in India are fringing, barrier and atolls. 2) More than one-third of the world's coral reefs are located in the territories of Australia, Indonesia and Philippines. Email. It is the hard corals that are the architects of coral reefs — complex three-dimensional structures built up over thousands of years. 2. 00/- Oct 17, 2024 · Coral reefs are underwater ecosystems made up of the skeletons of colonial marine invertebrates known as coral. Coral reef ecosystems provide society with resources and services worth USD 375 billion per year. The Coral Reefs in India UPSC is significant for the UPSC Coaching and GS Paper 1 Syllabus of the UPSC Mains curriculum. Recent studies by the National Institute of Oceanography have shown that Reckless tourism is damaging Malvan’s coral reefs. Gulf of Mannar: Situated between India and Sri Lanka, these reefs are part of a large marine ecosystem with diverse coral species. Mar 6, 2024 · Coral bleaching matters because it threatens coral reef ecosystems, which are home to 25% of marine species. India has significant coral reefs in the Lakshadweep Islands Jan 24, 2024 · Coral Reefs in India: Gulf of Kutch: Located in the Arabian Sea, this area has coral reefs characterized by rich marine biodiversity. The algae also help the coral remove waste. Which of the statements given above is/are correct? a) 1 only Jan 11, 2024 · The Atlantic and Caribbean coral reefs account for 7. Scientists are also testing new ways to help coral reef ecosystems, such as growing coral in a nursery and then transplanting it to damaged areas. As the corals grow and expand, reefs take on one of three major characteristic structures – fringing, barrier or atoll. The Islands of India are beautiful and play a crucial role in the country’s economy, culture, and environment. Palk Bay. Eg- Great Barrier reef of Australia; Atolls: a roughly circular ring of reefs surrounding a lagoon, a low lying Whatsapp. Additionally, rising ocean temperatures due to climate change have led to more frequent and severe bleaching events. Aug 18, 2024 · The Coral group of the Island of India includes the Lakshadweep Islands, which are the only coral islands in the country. Restoration of a branching coral species ( staghorn corals ) that had gone extinct about 10,000 years ago to the Gulf of Kachchh was successful. Aug 5, 2023 · Over millions of years, this cycle repeats, resulting in the accumulation of coral layers, known as reefs. The major coral reefs in India includes the Palk Bay, the Gulf of Jun 22, 2024 · Zoological Survey of India (ZSI) with the Gujarat Forest Department successfully restored coral reefs in the Gulf of Kachchh. 3) Coral reefs host far more number of animal phyla than those hosted by tropical rainforests. the Andaman and Nicobar Islands, Gulf of Mannar, Gulf of Kutch, Palk Strait and. Coral reefs are rare along the American and African West coasts due to upwelling and strong cold coastal currents reducing water temperatures. They provide habitats and shelter for many marine organisms. There are three types of coral reefs - fringing reefs near shore, barrier reefs further offshore, and atolls which surround lagoons. They are formed when Coral polyps, the animals primarily responsible for building reefs, develop a symbiotic relationship with photosynthetic algae called zooxanthellae, which live in its tissues. Formation : Coral reefs are formed over a process of thousands of years. ; Coral polyps, the animals primarily responsible for building reefs, can take many forms: large reef building colonies, graceful flowing fans, and even small, solitary organisms. Local threats. the Lakshadweep islands. Nov 4, 2023 · Source of Food Supply: Fish living in and around coral reefs provide a healthy source of protein for coastal populations. Situated on the southeastern coast, Palk Bay is separated from the Gulf of Mannar by the Mandapam Peninsula and Rameshwaram Island. Threats to coral reefs come from both local and global sources. Nov 4, 2024 · The largest collection of deep-water Coral reefs can be found off the coast of Queensland, Australia. Great Barrier Reef is the world’s most extensive and spectacular Coral Reef ecosystem composed of over 2,900 individual reefs and 900 islands. The Coral Triangle and Asia share 41 coral species that are only found in those two places. More than one-third of the world’s coral reefs are located in the territories of Australia, Indonesia and Philippines. The three major types of coral reefs found in India are fringing, barrier, and atolls. Hard corals have stony skeletons made out of limestone that are produced by coral polyps. In return, the algae produce carbohydrates through photosynthesis that the coral uses for food, as well as oxygen. Ancient India -for UPSC and other State PCS Examination ₹ 150. These coral colonies are primarily composed of calcium carbonate. The newly discovered reef, which provides habitat … Continue reading "Coral reef" Mar 13, 2024 · Coral reefs are important for coastal protection, tourism, and fisheries. They’re found in more than 100 countries,. Small marine plants (algae) also deposit calcium carbonate contributing to coral growth. Types of Coral Reefs. The Great Barrier Reef of the Queensland coast of Australia is the largest aggregation of coral reefs extending to a length of 1,931 kilometres and a width that varies from 16-322 kilometres. Full syllabus notes, lecture and questions for Coral Reefs - Environment for UPSC 2024 (Pre and Mains) - UPSC - Plus excerises question with solution to help you revise complete syllabus for Environment for UPSC 2024 (Pre and Mains) - Best notes, free PDF download Coral reefs in India are one of the most ancient and dynamic ecosystems of India. In India, Coral reefs are present in the areas of Gulf of Kutch, Gulf of Mannar, Andaman & Nicobar, Lakshadweep Islands, and Malva Aichi Target 10 — which concerns reducing pressures on coral reefs and other vulnerable ecosystems impacted by climate change or ocean acidification; The Global Coral Reef Monitoring Network (GCRMN) is an operational network of ICRI (International Coral Reef Initiative)with the primary task of reporting on the condition of the world’s coral Oct 4, 2018 · Conservation of Coral Reefs in India The protection of coral reef has been stressed under Wildlife Protection Act, 1972 and Environmental Protection Act, 1986 and Coastal Regulation Zone (CRZ) . Coral Reefs - Rau's IAS. Pollution Some of the greatest threats to aquatic ecosystems include pollution. Coral Islands: Important offshore island groups of India with extensive reef growth include the Andaman and Nicobar Islands in the Bay of Bengal and the Lakshadweep group of Islands in the Arabian sea. 1% of the ocean’s surface but are home to 25% of marine species. The Andaman and Although they cover less than 0. India boasts a coastline spanning over 7500 kilometers. Many types of algae, seaweed, sponges, sediment, and even molluscs like giant clams and oysters add to the architecture of coral reefs. Physical damage or destruction from coastal development, dredging, quarrying, destructive fishing practices and gear, boat anchors and groundings, and recreational misuse (touching or removing corals). Mar 9, 2022 · It has also led to the decline in coral reef community composition. They are the most biologically diverse ecosystems of the planet. Sep 9, 2023 · India is recorded to have around 7,517 km of coastline but only 6,100 km represents the mainland coastline. The Sundarbans in the Bay of Bengal is famous for its unique mangrove forests. 6%. 00/-Art &Culture : for UPSC & State PCS (Mains) ₹ 150. Since, most of these requirements are not met in Sunderbans region, coral reefs are not found Distribution of coral reefs in India. Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks or other hard surfaces along the edges of islands or continents. Coral reefs are remarkable ecosystems that support a wealth of marine life and Over millions of years, this cycle repeats, resulting in the accumulation of coral layers, known as reefs. Coral reefs are formed by coral polyps, tiny marine animals that build calcium carbonate exoskeletons and live in symbiosis with algae. Coral reefs in India are found in a lot of areas including the Gulf of Kutch, Gulf of Mannar, Palk Bay, Andaman & Nicobar and Lakshadweep Islands. The degradation of coral reefs due to bleaching can have economic repercussions, impacting industries such as tourism and fishing, which rely on healthy reef ecosystems. Sep 4, 2018 · UPSC Civil Services Examination, Previous Year’s Question (PYQs) Prelims. It has 37 per cent (2,228) of the world’s 6,000 coral reef The largest coral reef in the world, the Great Barrier Reef, is home to at least 400 individual species of coral and thousands of different species of fish, mollusks, sea snakes, sea turtles, whales, dolphins, birds and more. Oct 15, 2020 · Coral Reefs are one of the most dynamic ecosystems of India. Which of the statements given above is/are correct? (a) 1 and 2 only (b) 3 only Nov 14, 2023 · Coral Reefs UPSC. The Gulf of Kutch in the northwest has some of the most northerly reefs in the world. The global environment protection efforts give high importance to the coral ecosystem and Jul 8, 2023 · Coral reefs located in India. Coral reef threats in India. Unlike tropical coral reefs, deep-sea coral must filter food particles from the water for energy. They house a variety of species, such as sponges, crustaceans, molluscs, fish, sea turtles, sharks, dolphins and much more. In India, coral reefs are found in the Gulf of Kutch, Lakshadweep Islands, Gulf of Mannar, and Andaman and Nicobar Islands. Causes of Coral Bleaching As coral reef bleaching is a general response to stress, it can be induced by a variety of factors, alone or in combination. Q. Lakshadweep, Andaman and Nicobar Islands, the Gulf of Kachchh and the Gulf of Mannar. Global Coral Reef Alliance (GCRA) is a non-for profit organization initiated by UNEP to conserve Coral Reefs. Telegram. Document Description: Coral reefs and their formation for UPSC 2024 is part of Zoology Optional Notes for UPSC preparation. The coral reefs not only provide a sanctuary to a myriad of marine life but also play a key role in protecting the coastline from erosion. The ideal temperature for corals is 20 degrees C. Jun 23, 2022 · #Coral reefs, also known as “sea rainforests,” are home to a diverse range of creatures. Dec 22, 2021 · Coral reefs that have high rates of coral death following bleaching can take many years or decades to recover. Coral reefs have significant economic implications. Candidates must study and understand the basics of coral reef formation, the ecological functions they serve, coral reef conservation strategies, and the impact of human activities and climate change on coral reefs. Coral Reefs. Conclusion. Jan 15, 2016 · One such important landform is called coral reef. Coral reefs require warm, clear, shallow waters to thrive. The Coral group of the Island of India is home to vibrant marine life and colorful coral reefs. A coral reef is an underwater ecosystem characterised by reef-building corals. Compass Environment and Biodiversity Coral Reefs. It is due to the subtropical climatic conditions, there are a very few coral reefs in India. Coral reefs are large underwater structures composed of the skeletons of colonial marine invertebrates called coral. 3 Which of the following have coral reefs? (2014) Andaman and Nicobar Islands; Gulf of Kachchh; Gulf of Mannar; Sunderbans Jan 20, 2016 · Types of Coral Reefs. What are coral reefs, and what are they made of? Coral reefs are vibrant underwater ecosystems made up of the calcified skeletons of tiny marine invertebrates called coral polyps. Coral reefs in India are found in Andaman and Nicobar Islands, Gulf of Kutch, northwest coast in Gujarat state, Lakshadweep in the Arabian Sea in the southwest of Kerala coast and Gulf of Mannar in the southeast in Tamilnadu, Palk bay in southeast India. Different stages of coral deposition give rise to various marine landforms, with coral reefs being one of the most important. Coral reefs are in decline around the world. All the three major reef types, atoll, fringing, and barrier, occur in India. The notes and questions for Coral reefs and their formation have been prepared according to the UPSC exam syllabus. Climate change-induced acidification, as well as man-made issues such as overfishing and pollution, are threatening coral reefs. Most common type Jul 9, 2024 · What are the major threats to India’s coral reefs? India’s coral reefs face numerous threats including marine pollution from sewage and oil, bottom trawling, blast fishing, reef fishing, and coastal infrastructure development. Expert guidance, comprehensive UPSC IAS coaching, and proven success. Source- Researchgate Mar 11, 2022 · 2) Consider the following statements about Coral Reefs: They provide accurate records of Climate Change. India is also a member country of this initiative. They are known as rainforests of the ocean and are rivalled only by tropical rainforests. Coral reefs require clean and clear water, warm surface water and sunlight to survive. Apr 20, 2024 · Indonesia has the largest coral reef area in the world. Corals are of two types: Hard coral and Soft coral. In recent times, due to global warming and other reasons, coral ecosystems worldwide have been under threat. Feb 13, 2024 · Question: Consider the following statements: (UPSC 2018) 1) Most of the world's coral reefs are in tropical waters. Get Free Study Materials UPSC Exam 2024. Apr 13, 2021 · Turn your UPSC IAS dreams into reality with Best UPSC IAS Coaching in Bangalore. Fringing reefs: reefs that grow close to the shore and extend out into the sea like a submerged platform. Threats to Coral Reefs in India and Worldwide: Coral reefs face threats from both natural and anthropogenic causes, including: Natural Causes: Reef-destroying mechanisms; Coral bleaching; Depletion of essential symbionts Coral reefs are essentially just big limestone structures built by thousands of tiny coral creatures called polyps. May 10, 2024 · Coral Reefs in India- Coral reefs in India are located in seven regions namely Goa coast, Kerala coast, Palk Bay, Gulf of Kutch, Gulf of Mannar, Lakshadweep islands and Andaman and Nicobar islands. Sep 20, 2024 · Check more about Coral Reefs in India along with its Meaning, Types, Importance, Threats. Fringing reefs. Thousands of species of corals have been discovered; some li ve in warm, shallow, tropical seas and others in the cold, dark depths of the ocean. Coral reefs in India are found in a lot of areas including the Gulf of Kutch, Gulf of Mannar, Palk Bay, Andaman & Nicobar, and Lakshadweep Islands. As with the other coral reefs of the world, this incredible ecological hotspot is under threat. All coral species are protected under Schedule-I of the Indian Wildlife Protection Act (1972). UPSC Online Coaching; Coral Reefs of India. Image Source: National Oceanic and Atmospheric Administration. The coral reefs not only provide sanctuary to a myriad of marine life but also play a key role in protecting the coastline from erosion. The coral species that build reefs are known as hermatypic, or “hard,” corals because they extract calcium carbonate from seawater to create a hard, durable Oct 11, 2023 · Most of the world’s coral reefs are in tropical waters. Coral reefs in Coral reefs occupy just 0. Coral reefs are present in the areas of Gulf of Kutch, Gulf of Mannar, Andaman & Nicobar, Lakshadweep Islands and Malvan. Eg- Ningaloo Reef(Australia) Barrier reef: reefs separated from the land by wide expanses of water and follow the coastline. Corals are included in Schedule I of the Wild Life Protection Act, 1972. 1 per cent of the earth’s surface, coral reefs are the most bio diverse marine ecosystems in the world. Coral reefs over a period of time transform or evolve into coral islands (Lakshadweep). These organic sedimentary rocks are formed on the platform of shelf and ridges through a combined process that includes sedimentation, Jan 22, 2024 · Facts for Prelims (FFP) Source: The Guardian Context: Scientists have mapped the largest known deep-sea coral reef off the US Atlantic coast, stretching about 310 miles from Florida to South Carolina. India, Maldives, Sri Lanka, and Chagos have the maximum coral reefs in South Asia. India with its coastline of 7,517 km and subtropical climatic conditions has coral reef areas along its coastline and islands. Facebook. Coral reefs host far more number of animal phyla than those hosted by tropical rainforests. Ideal Conditions and Ecological Causes. Coral reefs thrive under stable climatic conditions Mar 7, 2022 · A report published by the Intergovernmental Panel on Climate Change (IPCC) states that the Great Barrier Reef is in crisis and suffering grave impacts from climate change. The Coral reefs in India are mainly restricted to. Ans: (d) Q. The coral provides a protected environment. Oct 5, 2023 · About International Coral Reef Initiative: It was launched in 1994 by Australia, France, Japan, Jamaica, the Philippines, Sweden, Britain and the United States. India’s Four Major Coral Reef Areas. Owing to its subtropical climate, the presence of coral reefs in India is limited. Consider the following statements: (2018) Most of the world’s coral reefs are in tropical waters. Feb 24, 2024 · FAQs – Coral Reefs: Formation, Types, and Importance 1. There are more coral reef fish species in the Coral Triangle than anywhere else in the world. Dec 31, 2022 · Reach Us 12, Main AB Road, Bhawar Kuan, Indore, Madhya Pradesh, 452007 641, 1 st Floor, Mukherjee Nagar, Delhi-110009 Coral Reefs in India India has its coastline extending over 7500 kilometres. The highest density of Coral reefs in India is on its eastern coast. [citation needed] Oct 10, 2024 · All of them damage biodiversity, break ecosystems like coral reefs, and threaten the balance of life in freshwater and marine environments, making urgent conservation actions inevitable. The maximum depth of this reef is around 3 Aug 8, 2022 · While the Lakshadweep reefs are atolls, all the others are fringing reefs. jdubj vwebp oayim zbdkyt awqeatd bpknq uve woqti rdrak axgzm