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(A) The total organic matter synthesized by producers through photosynthesis per unit time and area is known as $Gross \ Primary \ Productivity$ $(GPP

Vedclass · Accepted Answer

Net primary productivity

Vedclass · Answer

(A) The total organic matter synthesized by producers through photosynthesis per unit time and area is known as $Gross \ Primary \ Productivity$ $(GPP)$.$Net \ Primary \ Productivity$ $(NPP)$ is defined as the rate of organic matter production by photosynthesis minus the rate of respiration $(R)$ and other losses by producers.Mathematically,$NPP = GPP - R$.$NPP$ represents the actual biomass available for consumption by heterotrophs,which include herbivores and decomposers.

Column-$I$	Column-$II$
$(a)$ Gross Primary Productivity	$(1)$ $NPP$
$(b)$ Net Primary Productivity	$(2)$ $SP$
$(c)$ Secondary Productivity	$(3)$ $GPP$

The biomass available for consumption by the herbivores and the decomposers is called:

Similar Questions

The annual net primary productivity of the whole biosphere is approximately $...........$ (dry weight) of organic matter.

Justify the following statement in terms of ecosystem dynamics: "Nature tends to increase the gross primary productivity, while man tends to increase the net primary productivity".

Match the following columns correctly.
Column-$I$ Column-$II$
$(a)$ Gross Primary Productivity $(1)$ $NPP$
$(b)$ Net Primary Productivity $(2)$ $SP$
$(c)$ Secondary Productivity $(3)$ $GPP$

The amount of biomass available for consumption by herbivores and decomposers is called:

Gross Primary Productivity $(GPP)$ can be represented by which of the following?

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