Question

Hypothetical tree species "x" regenerates naturally, completely and quickly on a heavily disturbed site - that's just what it does well as an early-seral species. What factors will then regulate its development as it progresses (or tries to progress) through time as well as the stages of stand dynamics?

Answer 1

ANSWER :-

1. Ecological succession basically deals with the conversion of the pioneers (which are the ones that are seen in the areas with conditions not suitable for growth) to the climax community which shows maximum adaptation to their external conditions.
2. In case of an ecosystem, seral stages may be seen with respect to the climax communities as a gradient although there is no specific intermediate seral species seen in a climax community.
3. There are various changes which happens including the increase in the biodiversity as the favourable changes are being created as modifications occurs with respect to the pioneers. Lets consider the example of the lichens which occurs on the rocks. These usually grow on the rocks and are involved in the formation of soil and is associated with the development of the substratum which is essential for the growth and development of plants.
4. The lichens in turn also enhances the productivity of the mosses and the grasses and may prevail until the shrub stage comes into existence. So, every seral stage is associated with specificity in terms of availability of a particular species. Further stages are associated with increase in vegetation cover and apart from that there is introduction of new species which in turn migrate to the areas in search of food and also leads to dispersal of the seeds and other structures which leads to increase in the cover of the associated seral stages.
5. In terms of adaptations, there will be changes associated with temperature depending upon the type of forest which is destined to be formed. Major changes in the transition are associated with the formation of the soil and this in turn deepens when the climax community develops. This is because the roots are penetrating and this is associated with enhancement in the soil fertility as well as water retential potential which can be considered as the positive changes in terms of stabilisation which occurs during the process of formation of a climax community. Main changes associated are the effective regulation of the carbon cycle and this in turn maintains the warmth in the respected ecosystem.

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