CSS :: Sustained Yield Regulations
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Increment determination by control method is / are :
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[A]. |
In Swiss, forest are managed intensively under selection system | [B]. |
Each compartment is enumerated 100% at 5-6 years intervals
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[C]. |
Records are kept by copartments of all mortality and all cut trees in interval between two successive counts | [D]. |
All of the above |
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