In the equation , represents:
- AEnvironment factor
- BRespiration losses
- CRadiant energy
- DRetardation factor
Solution & Step-by-step Explanation
Gross Primary Productivity (GPP) is the total rate of production of organic matter during photosynthesis. A considerable amount of GPP is utilized by plants in respiration.GPP minus Respiration losses () is the Net Primary Productivity (NPP).