题目
FRST_V 100 101 2025W1 FINAL EXAM
多项选择题
Which of the following are examples of silvicultural systems? Mark all that apply, but be careful because wrong answers discount points.
选项
A.Clearcutting
B.Selection
C.Pruning
D.Shelterwood
E.Retention
F.Thinning
G.Genetic improvement
H.Planting
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标准答案
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思路分析
Question restatement: Which of the following are examples of silvicultural systems? Mark all that apply, but be careful because wrong answers discount points.
Option 1: Clearcutting
Commentary: Clearcutting is a classic silvicultural system in which most or all trees in a stand are removed at once to regenerate a new generation, often used to manage light, site conditions, and species composition. As a system, it is widely taught as one of the primary silvicultural approaches, so this is a correct example.
Option 2: Selection
Commentary: The selection system involves removing individual trees or small groups......Login to view full explanation登录即可查看完整答案
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类似问题
Which of the following are not silvicultural treatments? More than one may apply, but be careful because incorrect choices reduce your score.
Match the following descriptions with the associated silvicultural concept: 1: Removal of trees in blocks of less than 1 ha. 2: Stand harvesting is done in several successive cuttings that protect the regeneration of an even-aged stand. 3: Frequent but low intensity cuttings to harvest mature trees and regenerate the stand while maintaining an uneven-aged structure. 4: Clearcutting and subsequent vegetative regeneration for some hardwoods. 5: A one time harvesting followed by the regeneration of the stand, producing an even-aged stand. 6: Removal of trees with the main objective of promoting growth of remaining standing trees.
Variable Retention is a silviculture system that includes group and ________ retention. (one word answer)
Shelterwood cutting is performed in one complete operation.
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