Net Primary Productivity (NPP) = ............ | vedclass

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(D) Net Primary Productivity $(NPP)$ is defined as the amount of biomass or organic matter produced by producers per unit area per unit time,which is

Vedclass · Accepted Answer

$A$ and $B$

Vedclass · Answer

(D) Net Primary Productivity $(NPP)$ is defined as the amount of biomass or organic matter produced by producers per unit area per unit time,which is available for consumption by heterotrophs (herbivores and decomposers).Mathematically,it is calculated by subtracting the energy used by plants for respiration $(R)$ from the Gross Primary Productivity $(GPP)$.The formula is: $NPP = GPP - R$.Therefore,both statements $A$ and $B$ correctly describe $NPP$.

Net Primary Productivity $(NPP) = ..............$

Similar Questions

Secondary productivity is defined as:

$A$: In secondary productivity,no new organic matter is formed.
$R$: It is only the utilisation of part of food manufactured by primary producers in the building of consumer biomass.

This productivity is expressed in terms of weight $(gm^{-2})$ or energy $(kcal,m^{-2})$.

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

In the equation $GPP - R = NPP$ (where $GPP$ is Gross Primary Productivity and $NPP$ is Net Primary Productivity),$R$ represents:

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