The correct option is Transhumance in Alpine pastures.
Explanation
Transh is the practice of moving livestock from one grazing ground to another in a seasonal cycle, typically between lowlands in winter and highlands in summer. In the Himalayan context, this involves vertical migration based on the availability of pastures in different vegetation zones.
Detailed Analysis
The tribes mentioned-Gujjars, Bakarwals, Bhotiyas, and Gaddis-are pastoral nomadic communities residing in the Himalayan states.
- Seasonal Migration Pattern:
- Summer: As the snow melts in the higher altitudes, the Alpine pastures (often referred to as Bugyals in Uttarakhand) become accessible and rich in nutritious grass. These tribes migrate upward to these high-altitude meadows to graze their livestock (sheep, goats, and cattle).
- Winter: With the onset of winter, the high-altitude regions become covered in snow and extremely cold. Consequently, these tribes migrate downward to the lower hills and valleys (such as the Shiwalik range) where the climate is relatively milder and fodder is available in the lower forests.
- Tribal Distribution:
- Gujjars and Bakarwals: Predominantly found in Jammu and Kashmir.
- Gaddis: Predominantly found in Himachal Pradesh.
- Bhotiyas: Found in Uttarakhand and parts of Sikkim.
Analysis of Incorrect Options:
- Shifting Cultivation in Deciduous forests Shifting Cultivation: This practice, known locally as Jhum, is primarily associated with tribal communities in the North-Eastern states of India, not the pastoral tribes of the Western and Central Himalayas.
- Collection of honey in Mangrove forests Collection of honey: While honey collection occurs in various forests, it is a distinct economic activity associated with the Sundarbans (Mangrove forests) and specific forest-dwelling communities, not the primary characteristic of Himalayan pastoralists.
- Tea plantation in Semi-evergreen forests Tea plantation: Tea cultivation is a settled agricultural practice found in semi-evergreen and moist deciduous regions (e.g., Assam, Darjeeling), distinct from the nomadic lifestyle of the mentioned tribes.
Key Takeaway:
Transh is a survival strategy for Himalayan pastoral tribes (Gujjars, Bakarwals, Gaddis, Bhotiyas), involving vertical migration to utilize Alpine pastures in summer and lower valley forests in winter.