What is primary productivity? Give brief description of factors that affect primary productivity

What is primary production ?

What is net primary productivity ?

Gross primary productivity is-

Give a brief description of caldera.

Gross primary productivity is the

Name the factors which affect the primary productivity .

What is Gross primary productivity (GPP)?

Which of the following statements are true ? 1. Gross primary productivity is always greater than Net Primary productivity . 2. Gross primary productivity plus the respiration losses give us Net Primary productivity . 3. The rate of respiration of plants affects the Net Primary productivity . 4. Net primary productivity + Gross primary productivity = Respiratory loss.