A minima rotation worth the name is specified which corresponds to the age at which the trees reach the exploitable size which is usually 120 years, but is 150 years for the deodar, fir and kail in the moist zone of Kaghan and 200 years for the dry zone of ______
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Answer: C. Kaghan
Explanation
Forestry management plans set specific rotation ages for commercial tree species based on climatic zones in regions like Kaghan. The dry zone of Kaghan requires longer rotation periods of two hundred years due to slower tree growth rates. Establishing correct minimum rotation lengths ensures sustainable timber yields while preserving long-term forest ecosystem health. Rotation age refers to the planned number of years between the regeneration of a forest stand and its final harvest. Conifers like deodar, fir, and kail grow slower in harsh dry mountain climates compared to moist regional forest zones. Silvicultural practices tailor rotation schedules to match local environmental conditions, elevation gradients, and species biology.
Swat represents a different regional valley with its own unique forestry management plans rather than the specific dry zone cited. Naran is a well-known tourist locality in the region, but official forestry rotation texts specifically reference Kaghan zones. None of these is incorrect because Kaghan is explicitly named in forestry management literature as the dry zone reference point.
- Subject
- Agriculture
- Category
- Forestry
- Topic
- —
- Difficulty
- medium
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