What kind of environmental change would be occuring if there was a mountain pine beetle infestation in a forest, followed by salvage logging, and eventually vegetation regrowth in the forest?

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BlackTom AI · Accepted Answer

Question restatement: The prompt asks what kind of environmental change would occur if a forest experiences a mountain pine beetle infestation, followed by salvage logging, and then vegetation regrowth.
Option 1: 'Gradual' — This would describe a slow, continuous change without a clear sequence of stages. However, the scenario includes an abrupt disturbance (salvage logging) after the beetle outbreak, which interrupts a purely gradual trajectory. Thus, labeling the entire sequence as only gradual misses the notable jump in disturbance intensity caused by logging.
Option 2: 'Gradual then abrupt' — This captures the initial slow progression of damage from the beetle infestation, followed by a sudden disturbance due to salvage logging. Yet, after salvage logging and the disturbance event, vegetation regrowth typically occurs over time, implying another phase beyond the abrupt disruption. Therefore, this option is incomplete because it omits the subsequent regrowth phase.
Option 3: 'Gradual then abrupt, then gradual' — This option aligns with the logical sequence: first a gradual accumulation of damage from the beetle outbreak, then a rapid, abrupt change from salvage logging removing trees, followed by a gradual recovery phase as vegetation regrows and reestablishes itself. This reflects the expected ecological succession after such disturbances and the time-lagged regrowth processes that follow salvage activities.
Option 4: 'There would be no change' — This is inconsistent with the described events. Infestation, logging, and subsequent regrowth inherently produce clear ecological changes in structure, composition, and disturbance regime, so stating no change is factually incorrect.
In summary, the scenario describes a multi-phase disturbance: an initial gradual decline due to infestation, an abrupt impact from salvage logging, and a gradual recovery as vegetation regrows. The option that mirrors this three-stage progression with an abrupt middle phase and a later recovery phase best matches the sequence described in the question.

CONS_V 127 201 2024W2 Final Exam W2 2024 - Requires Respondus LockDown Browser

What kind of environmental change would be occuring if there was a mountain pine beetle infestation in a forest, followed by salvage logging, and eventually vegetation regrowth in the forest?

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CONS_V 127 201 2024W2 Final Exam W2 2024 - Requires Respondus LockDown Browser

What kind of environmental change would be occuring if there was a mountain pine beetle infestation in a forest, followed by salvage logging, and eventually vegetation regrowth in the forest?

查看解析

登录即可查看完整答案

类似问题

Clements model of ecosystem succession is that species are individualistic and not interacting at all.

The image from the movie “I am Legend,” illustrates what kind of landscape:

Wild grassland species colonizing an abandoned patch of farmland is an example of:

What is the main difference between primary and secondary succession?

The temporal replacement of one type of vegetative community with another has historically been known as _____________, yet more recent research has found the concept of __________ might be more explanatory of vegetation patterns.

In a consumer society, many adults channel creativity into buying things

更多留学生实用工具

希望你的学习变得更简单

The temporal replacement of one type of vegetative community with another has historically been known as ___, yet more recent research has found the concept of might be more explanatory of vegetation patterns.