What is net primary productivity ?

i) What is primary productivity? Why does it vary in different types of ecosystem? ii) State the relation between gross and net primary productivity.

i) What is primary productivity? Why does it vary in different types of ecosystem? ii) State the relation between gross and net primary productivity.

Which of the following ecosystems is most productive in term of net primary productivity ?

How will you calculate net primary productivity?

Write the relationship between productivity, gross primary productivity, net primary productivity, net primary productivity and secondary productivity.

Write the relationship between productivity, gross primary productivity, net primary productivity, net primary productivity and secondary productivity.

The biomass available for consumption to heterotrophs and the rate formation of new organic matter by consumers are defined as (a) gross primary productivity and net primary productivity respectively (b) net primary productivity and gross primary productivity respectively (c) gross primary productivity and secondary productivity respectively (d) net primary productivity and secondary productivity respectively.

The biomass available for consumption to heterotrophs and the rate formation of new organic matter by consumers are defined as (a) gross primary productivity and net primary productivity respectively (b) net primary productivity and gross primary productivity respectively (c) gross primary productivity and secondary productivity respectively (d) net primary productivity and secondary productivity respectively.

Show the relationship between gross primary productivity and net primary productivity .

How are productivity, gross productivity, net primary productivity and secondary productivity interrelated ?