Rate of organic matter stored by producers in their bodies per unit time and area is called as:
A
GPP
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
NPP
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Secondary productivity
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Ecological efficiency
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B NPP Amount of organic matter stored (after used up in respiration) by producers per unit time and per unit area is referred to as net primary productivity (NPP). It can be expressed as
NPP = GPP (Gross Primary Productivity) - R (Respiration Losses).