Tag: Coral Bleaching

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Examine the role of coral reefs in maintaining marine ecological balance. How are marine heatwaves affecting reef ecosystems globally?

Topic: Conservation, environmental pollution and degradation, environmental impact assessment Q6. Examine the role of coral reefs in maintaining marine ecological balance. How are marine heatwaves affecting reef ecosystems globally? (10 M) Difficulty Level: Medium Reference: DTE Why the question Recent reports of large coral colonies surviving repeated bleaching events and growing concerns over marine heatwaves …

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Explain the geographical characteristics that make island ecosystems highly vulnerable to ecological disturbances. Analyse the impact of climate change and anthropogenic pressures on island ecosystems. Discuss suitable measures for ensuring ecological resilience in island regions.

Topic: Geographical features and their location- changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes. Q2. Explain the geographical characteristics that make island ecosystems highly vulnerable to ecological disturbances. Analyse the impact of climate change and anthropogenic pressures on island ecosystems. Discuss suitable measures …

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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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Great Barrier Reef has recorded its largest Coral Bleach

Source:  IT Context: The Great Barrier Reef has recorded its largest annual coral cover decline in nearly 40 years, driven by severe coral bleaching, cyclones, and crown-of-thorns starfish outbreaks. About Great Barrier Reef has recorded its largest Coral Bleach: What is Coral Bleaching? A stress response in corals when symbiotic algae (zooxanthellae) are expelled from …

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What are the main causes behind the recent mass coral loss in the Great Barrier Reef? How do climate-induced and biological stressors interact to intensify reef degradation? Suggest long-term strategies for coral reef conservation.

Topic: Conservation, environmental pollution and degradation, environmental impact assessment Q6. What are the main causes behind the recent mass coral loss in the Great Barrier Reef? How do climate-induced and biological stressors interact to intensify reef degradation? Suggest long-term strategies for coral reef conservation. (15 M) Difficulty Level: Medium Reference: DTE Why the question: The …

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Coral Bleaching

Syllabus: Ecology Source:  DTE Context: The world is witnessing its worst coral bleaching event ever, with nearly 84% of global coral reefs affected, as confirmed by NOAA and the International Coral Reef Initiative. What is Coral Bleaching? Coral bleaching occurs when prolonged thermal stress causes corals to expel zooxanthellae (symbiotic algae), leading to loss of …

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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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Marine cloud brightening

Facts for Prelims (FFP)   Source: TH   Context: Australian researchers are exploring the concept of “marine cloud brightening” as a potential solution to mitigate coral bleaching on the Great Barrier Reef caused by extreme heat. This approach involves using water cannons to spray seawater into the sky, which results in the formation of brighter, …

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Coral reefs damaged: What’s the big deal?

GS Paper 3  Syllabus: Environment, Conservation, Pollution   Source: IE  Context: Coral reefs are not looking too healthy as increased ocean temperature caused by climate change is the main cause of coral bleaching events. Coral reefs: These are limestone structures (found in more than 100 countries) built by thousands of tiny coral creatures called polyps …

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[MISSION 2022] Insights SECURE 2022 : Daily UPSC Mains Answer Writing Practice: 30 March 2022

  Click on EACH question to post/upload you answers. How to Follow Secure Initiative? How to Self-evaluate your answer?  MISSION – 2022: YEARLONG TIMETABLE Join IPM 4.0 to get an assured review of 2 secure answers everyday   General Studies – 1   Topic: urbanization, their problems and their remedies 1. Along with urbanization, the unpleasant …

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What causes coral bleaching? Examine the impact of bleaching on wildlife and humans.  (250 words)

Topic:  Conservation, environmental pollution and degradation, environmental impact assessment. 5. What causes coral bleaching? Examine the impact of bleaching on wildlife and humans.  (250 words) Difficulty level: Moderate Reference: Indian Express The Hindu   Why the question: A wide stretch of the Great Barrier Reef has been hit by a sixth mass bleaching event, the …

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