Question:
The size of a Micro Watershed is
The size of a Micro Watershed is
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Watershed sizes usually increase by a factor of 10.
Mini (up to 100) $\rightarrow$ Micro (up to 1,000) $\rightarrow$ Milli (up to 10,000) $\rightarrow$ Sub (up to 50,000).
Remember "Micro" is a small village-level unit.
Mini (up to 100) $\rightarrow$ Micro (up to 1,000) $\rightarrow$ Milli (up to 10,000) $\rightarrow$ Sub (up to 50,000).
Remember "Micro" is a small village-level unit.
Updated On: Aug 21, 2026
- 100 to 1,000 ha
- 1,000 to 10,000 ha
- 10,000 to 50,000 ha
- Greater than 50,000 ha
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Question:
The question asks for the standard classification size for a "Micro Watershed" as defined in watershed management terminology in India.
Detailed Explanation:
• Watershed Hierarchy:
A watershed is a land area that drains into a common water body.
For planning and administrative purposes, they are classified based on their area.
• Standard Classifications (Soil and Water Conservation Division):
Macro-watershed: $>$ 50,000 ha (Often refers to river basins).
Sub-watershed: 10,000 to 50,000 ha.
Milli-watershed: 1,000 to 10,000 ha.
Micro-watershed: 100 to 1,000 ha.
Mini-watershed: 1 to 100 ha.
• Significance of Micro-watersheds:
The micro-watershed is considered the ideal unit for implementing village-level developmental programs.
Management at this scale allows for community participation and tailored solutions for soil conservation and water harvesting.
It is the basic unit where "Ridge-to-Valley" treatment is applied.
• Verification of Options:
Option (B) refers to Milli-watersheds.
Option (C) refers to Sub-watersheds.
Option (A) accurately represents the Micro classification.
Step 2: Final Answer:
According to the standardized classification, a micro-watershed typically ranges from 100 to 1,000 hectares.
The question asks for the standard classification size for a "Micro Watershed" as defined in watershed management terminology in India.
Detailed Explanation:
• Watershed Hierarchy:
A watershed is a land area that drains into a common water body.
For planning and administrative purposes, they are classified based on their area.
• Standard Classifications (Soil and Water Conservation Division):
Macro-watershed: $>$ 50,000 ha (Often refers to river basins).
Sub-watershed: 10,000 to 50,000 ha.
Milli-watershed: 1,000 to 10,000 ha.
Micro-watershed: 100 to 1,000 ha.
Mini-watershed: 1 to 100 ha.
• Significance of Micro-watersheds:
The micro-watershed is considered the ideal unit for implementing village-level developmental programs.
Management at this scale allows for community participation and tailored solutions for soil conservation and water harvesting.
It is the basic unit where "Ridge-to-Valley" treatment is applied.
• Verification of Options:
Option (B) refers to Milli-watersheds.
Option (C) refers to Sub-watersheds.
Option (A) accurately represents the Micro classification.
Step 2: Final Answer:
According to the standardized classification, a micro-watershed typically ranges from 100 to 1,000 hectares.
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