DENDROLOGY

FOREST ECOLOGY

FOREST SUCCESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Secondary succession (thnk soil) forms after a catastrophic event like a forest fire and has a ____ growth rate than primary succession because soil already exists.
A
extremely slower
B
slower
C
faster
D
None of the above
Explanation: 

Detailed explanation-1: -Secondary succession is faster than the primary succession as the growth media or the soil is already present which allows growth of the plants. The other factors such as the presence of few species also contribute towards the faster rate of growth in the secondary succession.

Detailed explanation-2: -Secondary succession is more common and usually occurs faster than primary succession because the substrate is already present. Secondary succession occurs on a surface where an ecosystem has previously existed. This happens after some sort of disturbance.

Detailed explanation-3: -A classic example of secondary succession occurs in oak and hickory forests cleared by wildfire. Wildfires will burn most vegetation and kill those animals unable to flee the area. Their nutrients, however, are returned to the ground in the form of ash.

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