Energy Flow Through Producers:
- About 10% of the energy is lost at each trophic level of the food chain
- The amount of energy available (originally as electromagnetic waves from the sun) limits the length of the food chain.
- Photosynthetic efficiency indicates the ability of a plant to trap light energy. This is normally less than 10% and depends on external factors such as light intensity and temperature.
- Gross primary productivity (GPP) is the rate at which products, such as glucose, are formed. GPP minus respiration equals net production.…
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