Ecological Pyramids
The main characteristic of each type of Ecosystem in Trophic structure, i.e. the interaction of food chain and the size metabolism relationship between the linearly arranged various biotic components of an ecosystem. We can show the trophic structure and function at successive trophic levels, as under:-
Producers
Herbivores
Carnivores
It may be known by means of ecological pyramids. In this pyramid the first or producer
level constitutes the base of the pyramid. The successive levels, the three make the apex.
Ecological pyramids are of three general types as under:
(i) Pyramid of numbers: It shows the number of individual organisms at each level,
(ii) Pyramid of energy: It shows the rate of energy flow and/or productivity at
successive trophic levels.
(iii) Pyramid of energy: It shows the rate of energy flow and/or productivity at
successive trophic levels.
CMP Bio World 