DENDROLOGY

FOREST ECOLOGY

FOREST SUCCESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What would most likely occur after an ecosystem is disrupted by fire? (TEK 7.10C)
A
The ecosystem would eventually return to its original state.
B
The ecosystem would return to its previous state immediately.
C
The ecosystem would evolve into a new ecosystem that is totally different from the original.
D
The ecosystem would become an ever-changing environment with no stability.
Explanation: 

Detailed explanation-1: -Succession describes the patterns of change in ecosystems when a new environment is formed or after an existing environment is disturbed. Succession occurs in all types of ecosystems, from oceans and wetlands to tundra, deserts, and forests.

Detailed explanation-2: -In secondary succession, a previously occupied area is re-colonized following a disturbance that kills much or all of its community. A classic example of secondary succession occurs in oak and hickory forests cleared by wildfire.

Detailed explanation-3: -Secondary succession occurs when the severity of disturbance is insufficient to remove all the existing vegetation and soil from a site. Many different kinds of disturbances, such as fire, flooding, windstorms, and human activities (e.g., logging of forests) can initiate secondary succession.

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