Bengal Florican Population Declining: A Critical Indicator of Grassland Health
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The Bengal Florican, a medium-sized bustard and crucial grassland indicator species, faces severe population decline.
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Primary threats include extensive habitat loss due to land conversion, agricultural expansion, and habitat fragmentation.
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Its dwindling numbers highlight the urgent need for conservation of vital grassland ecosystems.
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Known by local names like 'ulu-mo’ra' in Assamese and 'daotriling' in Bodo.
- ●Species: Bengal Florican (Houbaropsis bengalensis), a member of the bustard family (Otididae).
- ●Habitat: Primarily found in tall grasslands, particularly alluvial grasslands.
- ●Conservation Status: Critically Endangered on the IUCN Red List.
- ●Ecological Role: Considered a key indicator species for the health of grassland ecosystems.
- ●Local Names: Referred to as 'ulu-mo’ra' in Assamese and 'daotriling' in Bodo.
Indicator Species & Habitat Fragmentation
An 'indicator species' is an organism whose presence, absence, or abundance reflects the health or specific environmental conditions of an ecosystem. The Bengal Florican's decline signals degradation in grassland health. 'Habitat fragmentation' is the process where large, continuous habitats are divided into smaller, isolated patches, often by human activities, leading to reduced biodiversity and increased extinction risk for species like the Florican.
Simple Analogy: An indicator species is like a canary in a coal mine; its well-being tells us about the overall health of its environment. Habitat fragmentation is like breaking a large cake into many small crumbs, making it harder for animals to find enough food or mates.
Great Indian Bustard & Lesser Florican
Other critically endangered bustard species in India facing similar threats to grassland habitats.
Grassland Ecosystems
Understanding their ecological importance, threats, and conservation strategies.
IUCN Red List
Global standard for assessing the conservation status of species.
Environmental Impact Assessment (EIA)
Process to evaluate the environmental consequences of a plan or project, crucial for preventing habitat loss.
Exam Relevance
GS Paper III: Environment & Ecology – Biodiversity, Conservation, Environmental Degradation, Habitat Loss.
General Awareness: Environment, Flora & Fauna, Endangered Species.
General Awareness: Environmental issues, conservation.
General Science & GK: Biodiversity, environmental protection.
General Knowledge: Environment, wildlife, conservation efforts.
Previously Asked (PYQs)
Consider the following statements: Statement-I: Marsupials are not naturally found in India. Statement-II: Marsupials can thrive only in montane grasslands with no predators. Which one of the following is correct in respect of the above statements?
Answer: Statement-I is correct but Statement-II is incorrect
Consider the following: 1. Carbon monoxide 2. Methane 3. Ozone 4. Sulphur dioxide Which of the above are released into atmosphere due to the burning of crop/biomass residue?
Answer: 1, 2, 3 and 4
Which of the following countries are well known as the two largest cocoa producers in the world?
Answer: Côte d'Ivoire and Ghana
Expected Questions
- ★UPSC may ask: 'Consider the following statements regarding the Bengal Florican...' covering its IUCN status, habitat, ecological role, and major threats.
- ★SSC/Banking may ask: 'Which of the following is an indicator species for grassland ecosystems?' or 'What is the IUCN conservation status of the Bengal Florican?'
- ★State PSCs may ask about its local names or geographical distribution within India.
Topic Frequency
High for environment and ecology sections across various competitive exams, especially UPSC.
Key Terms
A critically endangered bustard species.
A species whose presence/absence reflects ecosystem health.
Breaking up of large habitats into smaller, isolated patches.
Highest risk category for wild species on the IUCN Red List.
Must Remember
- •IUCN Status: Critically Endangered.
- •Primary Habitat: Tall grasslands.
- •Key Threats: Land conversion, agricultural expansion, burning, habitat fragmentation.
- •Ecological Role: Grassland indicator species.
Exam Tips
- •For species-related topics, always note the IUCN status, primary habitat, geographical distribution, major threats, and any unique ecological role (like indicator species).
- •Understand the underlying ecological concepts (e.g., habitat fragmentation, ecosystem services) rather than just memorizing facts.