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प्रश्न
Explain the following sequence of succession after a forest fire.
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उत्तर
The sequence of stages in a forest ecosystem (secondary succession) after fire is as follows:
Forest → Forest fire → Severe forest fire → Total nudation of forest land → Terrestrial plants → Shrubs → Woodland Stage → Forest Stage The forest fire leaves behind an empty but not destroyed soil (Nudation), over which secondary succession begins.
- Terrestrial plant stage: Grasses and other herbaceous plants grow back first.
- Shrub stage: Small bushes and trees begin to colonize the area
- Woodland stage: Fast-growing evergreen trees grow tall, while shadetolerant trees develop understorey.
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संबंधित प्रश्न
Answer the following question.
List the factors upon which the type of invading pioneer species depends on secondary hydrarch succession. Why is the rate of this succession faster than that of primary succession?
Which of the following represents the correct order of succession observed in the aquatic habitat?
Identify the stage that immediately precedes the sedge meadow stage in hydroseric succession.
Which are the pioneer species in xerarch and hydrarch succession respectively?
In xerarch succession which one of the following brings about initial weathering of rocks to form soil?
The growth of lichens followed by mosses, herbs, shrubs and trees is an example of ____________.
The sequence of communities of primary succession in water is ______.
______ Succession begins in areas where natural biotic Communities have been destroyed.
Pioneers are ______.
How many of the following statements are true about human induced disturbances like deforestation during primary or secondary ecological succession?
- Does not affect any species of organisms.
- Can convert particular seral stage to a preceding stage.
- Eliminate some species from that area.
- Create new conditions which encourage increase in some species of organisms.
