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What is Gross Primary Productivity (GPP)?
Total energy captured by producers through photosynthesis.
What is Net Primary Productivity (NPP)?
Energy remaining after producers use some for respiration; available for growth and other organisms.
Define Respiration in the context of primary productivity.
Process where plants use captured energy for their needs, releasing some as heat.
What are the steps of energy flow in an ecosystem?
1. Solar energy is captured by producers (GPP). 2. Producers use some energy for respiration. 3. Remaining energy is NPP, available to other organisms.
What is the effect of increased sunlight on GPP?
Increased sunlight can increase GPP, leading to higher NPP.
What is the effect of higher temperatures on GPP?
Up to a certain point, higher temperatures can increase GPP.
What is the effect of increased water availability on GPP?
Increased water availability can increase GPP, especially in water-limited ecosystems.
What is the effect of increased nutrients on GPP?
Increased nutrients can increase GPP, especially in nutrient-limited ecosystems.