Tag: Invasive species

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“Climate change is increasingly blurring the distinction between invasive species and climate-resilient species”. Evaluate the long-term ecological consequences of this shift for biodiversity conservation.

Topic: Conservation, environmental pollution and degradation, environmental impact assessment Q6. “Climate change is increasingly blurring the distinction between invasive species and climate-resilient species”. Evaluate the long-term ecological consequences of this shift for biodiversity conservation. (10 M) Difficulty Level: Medium Reference: DTE Why the question Climate change is restructuring ecosystems and complicating conventional invasion biology, making …

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Invasive aquatic weeds are often symptoms of ecological collapse, not its root cause. Identify the structural drivers behind invasive proliferation in Indian wetlands.

Topic: Conservation, environmental pollution and degradation Q5. Invasive aquatic weeds are often symptoms of ecological collapse, not its root cause. Identify the structural drivers behind invasive proliferation in Indian wetlands. (10 M) Difficulty Level: Medium Reference: DTE Why the question Invasive weeds are a common and visible wetland problem in India, and this question tests …

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Anopheles stephensi

Source:  TH Subject:  Science and Technology Context: India’s push to eliminate malaria by 2030 faces a new challenge with the rapid spread of the invasive urban mosquito Anopheles stephensi, especially in cities like Delhi. About Anopheles stephensi: What it is? Anopheles stephensi is a malaria-transmitting mosquito species capable of spreading both Plasmodium falciparum and Plasmodium …

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The Western Ghats

Source: TH Context: The IUCN World Heritage Outlook 4 has placed India’s Western Ghats, under the “significant concern” category due to threats like climate change, unregulated tourism, and invasive species. About the Western Ghats: What it is: The Western Ghats, also known as the Sahyadri Hills, are a north–south mountain range forming the crest of …

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“Mass reforestation without biodiversity literacy may revive tree cover but not ecosystem function”. Explore the ecological pitfalls of non-specific afforestation strategies. Assess the role of biodiversity in ecological restoration.

Topic: Conservation, environmental pollution and degradation, environmental impact assessment Q6. “Mass reforestation without biodiversity literacy may revive tree cover but not ecosystem function”. Explore the ecological pitfalls of non-specific afforestation strategies. Assess the role of biodiversity in ecological restoration. (10 M) Difficulty Level: Medium Reference: DTE Why the question: In light of recent large-scale afforestation …

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Northern Giant Hornet

Source:  IE Context: The United States successfully eradicated the invasive Northern Giant Hornet, commonly known as the “Murder Hornet,” which posed significant threats to native pollinators and agriculture. About Murder Hornet (Northern Giant Hornet) Scientific name: Vespa mandarinia. Habitat: Native to Asia; prefers forested areas and underground cavities for nesting. Features: Up to 2 inches …

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UPSC CURRENT AFFAIRS – 23 November 2024

  UPSC CURRENT AFFAIRS – 23 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. …

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Ashtamudi Lake

Source:  TH Context: Kerala’s Ashtamudi Lake, a Ramsar site, faces ecological threats from pollution and habitat degradation, with recent fish deaths from algal blooms endangering biodiversity and local livelihoods. More about news: Issues: Pollution: Sewage discharge, plastic dumping, and illegal waste disposal are rampant. Encroachments: Illegal constructions block water flow and degrade habitats. Microplastics: High …

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[Mission 2023] INSIGHTS DAILY CURRENT AFFAIRS + PIB SUMMARY 31 January 2023

InstaLinks :  help you think beyond the issue but relevant to the issue from UPSC prelims and Mains exam point of view. These linkages provided in this ‘hint’ format help you frame possible questions ina your mind that might arise(or an examiner might imagine) from each current event. InstaLinks also connect every issue to their …

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Alien plants growing together threatening tiger habitats

GS Paper 3  Source: DTE   Context: According to a study conducted by the Wildlife Institute of India (WII), several alien invasive plants (like Lantana Camara, Parthenium hysterophorous, Prosopis juliflora, etc) growing together can have a detrimental effect on the biodiversities in tiger habitats.   Invasive species: Invasive/introduced/alien/exotic species are any non-native species that significantly …

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Invasive species threatens wildlife habitats of Western Ghats:

GS Paper 3: Topics Covered: Conservation related issues.   Context: Senna spectabilis is an invasive species found mostly in the forest areas of the Nilgiri Biosphere Reserve (NBR). The dearth of effective steps to arrest the rampant growth of these invasive plants is a matter of serious concern to the conservation of wildlife habitats of …

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