Question

How is ‘ stratification’ represented in a forest ecosystem? [Delhi 2014]

Answer 1

Stratification is the way in which different species in an ecosystem are placed or arranged in a habitat. It is a way of minimising competition for limited resources, vital for survival. Vertical stratification in a forest ecosystem is represented by following strata of plants:

(i) The herb layer

(ii) The shrub layer

(iii) The small tree layer

(iv) The canopy layer

Answer 2

Answer:

Trees occupy vertical stratra, shrubs the second layer and herbs/ grasses occupy the bottom layers vertical distribution of species, at different levels.

Stratification is the way in which different species in an ecosystem are placed in a habitat. Vertical stratification in a forest ecosystem is represented by following strata of plants:

(i) The herb layer

(ii) The shrub layer

(iii) The small tree layer

(iv) The canopy layer

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