What is primary productivity? Give a brief description of factors that affect primary productivity
The amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis is called primary productivity. It is expressed in terms of gm-2yr-1 or kcal m-2yr-1. Primary productivity depends upon a number of environmental factors like: Availability of nutrients which varies in different types of ecosystem. Photosynthetic capacity of plants. The plant species inhabiting a particular area. Environmental factors.
