Idea was first enunciated by French forester de Liocourt in 1898 who said:
Correct answer: C. Both (a) & (b)
- A. In selection forest, the stem numbers fell off from lower to higher dia classes in a geometric progression
- B. So there was a constant ratio between numbers in successive dia classes from lowest to the highest
- C. Both (a) & (b)
- D. None of these
Explanation
De Liocourt’s concept states that tree numbers in successive diameter classes follow a constant ratio, usually declining geometrically as diameter increases. Thus, both descriptions express the same inverse-J or balanced selection-forest distribution.
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