Correct answer
C. Selection system
Explanation
The correct answer is Selection system.
These are generally, but not always, developed above the birch zone and in patches, sometimes extensive, within it, probably conditioned by edaphic and biotic factors, in Kashmir, Gilgit, Chitral and Hazara. This type ascends normally to ________ or more above the sub-alpine forests and climate must be similar but more severe than in sub-alpine forests:
About 95% of the energy requirements in Pakistan are met with by the:
Which are the primary constituents of photochemical smog?
The injuries are generally caused by:
Range reseeding is:
Management of forest by coppicing depends upon stumps height is / are: