What characteristic features are seen in Ecological succession?
Answers
The term ecological succession refers to the changes in the biotic communities over a period of time at a particular place. The changes are due to climatic or physiographic conditions. When there happens a change in environment due to biological activities the modified form of environment may not be suitable for the existing community.
Causes of succession:
A number of causes induce together the process of succession.
Some important causes may be outlined as below:
(i) Climatic Causes:The climatic causes include temperature, rainfall, light intensity, gaseous composition, wind etc.
(ii) Biotic Causes:
In a community, there is competition amongst different members for their existence. In such a process, some of the members are not found suitable and thus are gradually replaced by new ones.
(iii) Ecesis Causes:The soil condition is also changing by the process of invasion, migration, competition and reaction of the Population.
(iv) Stabilising Causes:
Succession is taking place in order to attain the climax stage.