Question

Magnitude of primary productivity is affected by:

• A. Temperature, availability of nutrients
• B. Solar radiation available, availability of nutrients
• C. Photosynthetic capacity of producers
• D. All of these

Answer 1

The correct option is D All of these

Primary productivity is the amount of biomass or organic matter synthesised by plants during photosynthesis per unit area over a time period. It depends on the plant species inhabiting i.e., living in a particular area. It also depends on a variety of environmental factors like temperature and solar radiation availability, availability of nutrients and photosynthetic capacity of plants. Therefore, it varies in different types of ecosystems.