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6 public questions tagged with this topic.

Natural History of Indian subcontinent

Which community traditionally protects blackbuck?

Community custodianship in Thar desert is exemplified by Bishnoi sect who protect blackbuck Antilope cervicapra considered sacred and symbolic of Guru Jambheshwar teachings. Bishnois prohibit killing, maintain water troughs, provide shelter to fawns, and resist poachers even risking lives, as seen in Khejarli sacrifice 1730 and recent poaching cases high-profile. Villages like Khejarli and Lohawat host thousands of blackbuck coexisting with livestock. Traditional law enforced socially ensures wildlife thrives near human habitations modeling community-based conservation outside statutory protected areas. Mastery of this rule helps candidates differentiate closely related categories and avoid common errors in diversity questions.

Ref: Bishnoi Traditional Law Blackbuck Protection Ethnobiology; People and Wildlife Coexistence Case Study Rajasthan

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Natural History of Indian subcontinent

Great Indian Bustard is mainly associated with

Great Indian Bustard Ardeotis nigriceps, critically endangered flagship of dry grasslands, historically distributed across 11 states but now confined mainly to desert zone landscapes with open short grass, scattered shrubs, and minimal human disturbance. Indian Desert Zone including Desert National Park Jaisalmer preserves ideal habitat of sewan Lasiurus scindicus grasslands where bustard displays lekking, feeds on insects, seeds, reptiles. Grassland degradation due to overgrazing, agricultural conversion, and power lines threatens survival. Desert zone association underscores importance of protecting non-forest biomes. Examinations emphasize this concept because it underpins correct interpretation of phylogenetic relationships and evolutionary systematics.

Ref: WII Bustard Species Recovery Programme Desert Habitat; BirdLife Ardeotis nigriceps Desert Distribution

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Natural History of Indian subcontinent

Rainfall in Indian desert zone is generally

Arid Indian Desert zone experiences scanty erratic rainfall regime classified as arid with annual precipitation generally ranging 100 to 400 mm, concentrated in short monsoon burst July-September, high coefficient variability exceeding 60%. Mean annual temperature high, potential evapotranspiration greatly exceeds precipitation, resulting in water deficit most months. Vegetation sparse, productivity low. Rainfall gradient crucial: below 100 mm hyper-arid, 100-400 arid desert, 400-750 semi-arid, influencing crop choice, livestock density, and species composition like Great Indian Bustard inhabiting low rainfall grasslands. This pattern is frequently tested in NCERT-based competitive examinations requiring precise recall of taxonomic hierarchy principles.

Ref: IMD Desert Climate 100-400 mm Rainfall; WII Desert Climatology Arid Zone Precipitation

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Natural History of Indian subcontinent

The Indian Desert Zone mainly comprises

Indian Desert biogeographic zone includes Thar Desert covering western Rajasthan, northern Gujarat Kutch Rann, adjoining Haryana Punjab with sand dunes, salty pans, rocky outcrops, and thorn scrub vegetation of Acacia, Prosopis juliflora, Calotropis. Kutch segment includes saline marshes Great and Little Rann, Banni grasslands, and mangroves. Both Thar and Kutch constitute single biogeographic unit due to similar arid climate, edaphic conditions, and faunal assemblage including desert fox, caracal, bustards, spiny-tailed lizard, representing extreme xerophytic adaptations. Clarity on this principle prevents confusion between in-situ and ex-situ methods often interchanged in examination options.

Ref: WII Desert Zone Thar and Kutch Component; MoEFCC Indian Desert Biogeographic Characteristics

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Natural History of Indian subcontinent

Which river does NOT originate from the Himalayas?

Major Himalayan rivers — Indus from Bokhar Chu Tibet, Ganga from Gangotri glacier Uttarakhand, Yamuna from Yamunotri, Brahmaputra from Angsi glacier near Manasarovar — originate from glaciers north of Greater Himalayas ensuring perennial flow fed by snowmelt and monsoon. Peninsular rivers originate in Western Ghats or Deccan plateau, rain-fed seasonal. Godavari, second longest Indian river 1465 km, originates in Western Ghats near Trimbakeshwar Maharashtra, drains Deccan peninsula eastwards into Bay of Bengal, not Himalayan source unlike Ganga. Field identification relies on this character, making it essential for wildlife surveys and protected area management protocols.

Ref: NCERT Class 11 Drainage Himalayan vs Peninsular Rivers; Godavari Origin Western Ghats Map

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Natural History of Indian subcontinent

Bugyal grasslands are typical of

Bugyals are high-altitude alpine meadows or pastures found between 3300-4000 meters above timberline in Himalayan zone, particularly Uttarakhand and Himachal Pradesh locations such as Dayara, Auli, Valley of Flowers, Bedni. Word bugyal derived from Garhwali tribal language meaning upland grassland. Dominated by perennial grasses, sedges, and herbaceous flora like Brahma Kamal Saussurea obvallata, Primula. Seasonally used by transhumant pastoralists Gujjars and Bhotiyas. Extremely fragile, sensitive to overgrazing and climate change, requiring controlled tourism management. Conservation strategies built on this knowledge support national biodiversity targets and sustainable livelihood planning for local communities.

Ref: Uttarakhand Biodiversity Board Bugyal Alpine Meadows Himalayan Zone; WII Alpine Grassland Types Description

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