Syllabus: GS–III (Environment & Ecology)

Why in the News?

Siikhe Lake in Arunachal Pradesh is emerging as a key habitat for migratory birds, including the rare Mandarin Duck.

About Siikhe Lake

• Located about 12 km from Ziro Valley in Arunachal Pradesh.
• Originally developed as an artificial waterbody for groundwater recharge.
• Earlier a wetland paddy field, later transformed under a local initiative.
• Supports rich biodiversity with 15+ bird species recorded annually.
• Acts as a migratory stopover site from November to May.

Important Bird Species Observed

• Mallard
• Northern Pintail
• Garganey
• Eurasian Wigeon
• Tufted Duck
• Great Crested Grebe
• Mandarin Duck (Rare in India)

Conservation Efforts

Monitoring since 2019 by:

• Ziro Birds Walk group
• Siikhe Multipurpose Society

Key Activities:

• Waterbird census
• Seasonal migration tracking

Research Collaborations:

• Rajiv Gandhi University
• International research institutes

Key Takeaways

• Demonstrates how man-made ecosystems can support biodiversity.
• A model for balancing development and conservation.
• Wetlands are crucial for:
  • Migration routes
  • Water security
  • Ecological stability

UPSC Value Box: Wetlands Importance

Aspect	Role
Biodiversity	Supports diverse flora and fauna, especially migratory birds.
Hydrology	Helps in groundwater recharge and flood control.
Climate	Acts as carbon sinks and regulates local climate.

Prelims MCQ

Consider the following statements:

1. Siikhe Lake was originally developed for groundwater recharge.
2. Mandarin Duck is commonly found across India.
3. Wetlands play an important role in supporting migratory birds.

Which of the statements are correct?

• (a) 1 and 3 only
• (b) 2 and 3 only
• (c) 1 and 2 only
• (d) 1, 2 and 3

Answer: (a) 1 and 3 only

One-line Wrap

Siikhe Lake highlights how sustainable landscape transformation can create thriving biodiversity hubs while supporting local development.

Source

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