Tag: Marine Biodiversity

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Assess the ecological and economic implications of declining coral reef health due to wastewater pollution. Analyse its impact on fisheries and coastal communities. Suggest a sustainable management framework.

Topic: Conservation, environmental pollution and degradation, environmental impact assessment Q6. Assess the ecological and economic implications of declining coral reef health due to wastewater pollution. Analyse its impact on fisheries and coastal communities. Suggest a sustainable management framework. (15 M) Difficulty Level: Medium Reference: DTE Why the question The linkage between marine pollution, biodiversity loss …

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“The high seas represent the largest ecological frontier yet remain the weakest link in global conservation governance”. Discuss the significance of high seas in biodiversity conservation and the limitations in their protection.

Topic: Conservation, environmental pollution and degradation Q5. “The high seas represent the largest ecological frontier yet remain the weakest link in global conservation governance”. Discuss the significance of high seas in biodiversity conservation and the limitations in their protection. (10 M) Difficulty Level: Medium Reference: DTE Why the question Growing global concern over weak governance …

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Bhavasagara Referral Centre

Source:  PIB Subject:  Environment Context: The Ministry of Environment, Forest and Climate Change (MoEFCC) has officially designated the Bhavasagara Referral Centre at CMLRE, Kochi, as a National Repository for Deep-Sea Fauna under the Biological Diversity Act, 2002. About Bhavasagara Referral Centre: What It Is? The Bhavasagara Referral Centre is a specialized scientific hub and India’s …

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Discuss the ecological and strategic significance of coral reefs for India’s blue economy. Analyse how mass bleaching can affect fisheries, tourism, and coastal infrastructure. Suggest adaptation measures.

Topic: Conservation, environmental pollution and degradation, environmental impact assessment Q6. Discuss the ecological and strategic significance of coral reefs for India’s blue economy. Analyse how mass bleaching can affect fisheries, tourism, and coastal infrastructure. Suggest adaptation measures. (15 M) Difficulty Level: Medium Reference: DTE Why the question Coral reefs are facing unprecedented stress due to …

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Turtle Trails

Source:  DTE Subject:   Environment Context: The Union Budget 2026–27 proposed developing ‘turtle trails’ along key Olive Ridley nesting sites in Odisha, Karnataka and Kerala to promote eco-tourism. About Turtle Trails: What it is? ‘Turtle trails’ refer to regulated eco-tourism pathways and guided experiences near sea turtle nesting beaches, aimed at promoting conservation awareness, community livelihoods …

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Olive Ridley Sea Turtles

Source:  NIE Subject:  Species in News Context: With the nesting season underway, wildlife authorities have set up sea turtle hatcheries at multiple locations along the Chennai coast to protect eggs and improve hatchling survival. About Olive Ridley Sea Turtles: What it is? The Olive Ridley sea turtle is one of the smallest and most abundant …

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Barcelona Convention

Source:  UNEP Subject: Environment Context: At COP24 of the Barcelona Convention in Cairo, EU countries and Mediterranean partners adopted strengthened commitments to protect the Mediterranean Sea. About Barcelona Convention: What it is? The Barcelona Convention is a legally binding UNEP-led regional environmental agreement for protecting the Mediterranean Sea against pollution and promoting sustainable coastal and …

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The Rules for Sustainable Harnessing of Fisheries in the EEZ

Source:  ET Context: The Union Government has notified the Rules for Sustainable Harnessing of Fisheries in the Exclusive Economic Zone (EEZ), aimed at empowering fishermen cooperatives and ensuring sustainable, technology-driven deep-sea fishing operations. About the Rules for Sustainable Harnessing of Fisheries in the EEZ: What it is? A comprehensive regulatory framework for sustainable and inclusive …

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Pilot Whale

Source:  DD News Context: Over two dozen pilot whales were found stranded and dead-on New Zealand’s remote Twilight Beach, prompting a Maori-led recovery and spiritual closure (rahui). About Pilot Whale: What it is? Pilot whales are large oceanic dolphins belonging to the genus Globicephala, known for their strong social bonds and herding behavior that often …

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The Red Sea

Source:  TOI Context: New geological research by KAUST scientists in Saudi Arabia has discovered that the Red Sea completely dried up for nearly 100,000 years about 6.2 million years ago before being refilled by a massive flood. About The Red Sea: What It Is? The Red Sea is a narrow, elongated saltwater inlet of the …

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Sunflower Sea Stars

Source:  ET Context: Scientists have finally identified Vibrio pectenicida as the bacterium causing sea star wasting disease (SSWD), which led to the loss of over 5.8 billion sunflower sea stars across North America since 2013. About Sunflower Sea Star (Pycnopodia helianthoides) What It Is? A large, fast-moving marine predator with up to 24 arms; vital …

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Overfishing — The Threat to Ocean Wealth

Syllabus: Environment Source:  TH Context: On the occasion of the International Day for Biological Diversity, concerns over overfishing in India’s marine ecosystems have resurfaced, with experts highlighting threats to ocean biodiversity, small fisher livelihoods, and future food security. About Overfishing — The Threat to Ocean Wealth: What is Overfishing? Overfishing occurs when fish are harvested …

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The fourth global coral bleaching event marks a tipping point in marine ecology. Analyse its scale and causes. Evaluate its repercussions on marine species.

Topic: Conservation, environmental pollution and degradation Q5. The fourth global coral bleaching event marks a tipping point in marine ecology. Analyse its scale and causes. Evaluate its repercussions on marine species. (10 M) Difficulty Level: Medium Reference: DTE Why the question Scientists have confirmed that the world’s worst ongoing global coral bleaching event has now …

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Colossal Squid

Source:  BBC Context: For the first time in over a century, a juvenile colossal squid was filmed alive in its natural habitat at a depth of 600 meters in the Southern Ocean, marking a historic milestone in marine exploration. About Colossal Squid: What it is? The colossal squid is the largest invertebrate species known, a …

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Gulf of Mannar

Source:  TH Context: The Ministry of Petroleum and Natural Gas has identified a deep-sea region in the Gulf of Mannar for hydrocarbon exploration under the 10th round of the Open Acreage Licensing Policy. About Gulf of Mannar: Location: Situated between the southeastern coast of India (Tamil Nadu) and the west coast of Sri Lanka. Forms …

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Sea Otters

Source:  IE Context: A recent study highlights the ecological role of endangered southern sea otters in controlling the invasive green crab population at Elkhorn Slough, California. About Sea Otter: What it is: An aquatic member of the weasel family (Mustelidae), primarily found along Pacific Ocean coasts in North America and Asia. Scientific name: Enhydra lutris. …

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UPSC CURRENT AFFAIRS – 15 November 2024

UPSC CURRENT AFFAIRS – 15 November 2024 covers important current affairs of the day, their backward linkages, their relevance for Prelims exam and MCQs on main articles   InstaLinks :  Insta Links help you think beyond the  current affairs issue and help you think multidimensionally to develop depth in your understanding of these issues. These …

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Solomon Islands

Source:  TOI Context: Scientists have uncovered the largest coral colony on Earth in the Solomon Islands, offering insights into marine ecosystems’ resilience and the threats posed by climate change. New Discovery of Coral Colony: Location: Solomon Islands, Southwest Pacific Ocean. Region and Depth: Found 42 feet underwater, near the Macquarie Ridge. Size and Structure: Measures …

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