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Q.
Suppose $2000$ $J$ of solar energy is incident on green
vegetation. On the basis of $10$% law of Lindemann.
Identify $A, B$ and $C$.
Ecosystem
Solution:
Only about $10 \%$ is stored at higher trophic level and the remaining $90 \%$ is lost in respiraton, decomposition and waste in the form of heat. Suppose $2000\, J$ of solar energy is incident on green vegetation. The latter having about $1 \%$ efficiency, trap about $20 \,J$ of energy and convert it into chemical energy by photosynthesis.
The remaining would be lost to the environment. The herbivore that feeds on producers get $10 \%$ of the energy stored in plants, i.e. $2\, J$. The remaining $18\, J$ are lost to the environment. Carnivores feeding on herbivores would be able to store only $0.2\, J$ of energy as flow.