Pyramid of Biomass
The pyramid of Biomass, also known as the Eltonian pyramid, depicts the link between the populations, biomass, energy, and bio productivity of different trophic levels in an ecosystem. The energy flow in the system is depicted by the pyramid of Biomass. The total living biomass or organic matter present at different trophic levels in an ecosystem is represented by a pyramid of Biomass.
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The mass of live creatures present at each trophic level in given sample size is calculated as biomass. Dry weight in grams or calories per unit area is two ways to express it. Biomass is measured with a bomb calorimeter. A trophic level refers to the position of a living creature in a food chain.
Because biomass is measured by multiplying the biomass of organisms by the number of species present at each trophic level, we can see that the biomass of the grass is significantly higher than that of primary consumers and that the biomass of secondary and tertiary consumers falls sequentially.
The biomass pyramid, as opposed to the number pyramid, is a better representation of energy flow. In a tree ecosystem, for example, the number pyramid does not appear to be perfect because one oak tree sustains hundreds of insects, which are then consumed by a smaller number of birds.
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