Ecology & environment
Hi Praveen :
Primary Succession can be defined as the process of growth in an area that was previously uninhabited, barren, unoccupied and there was no initial vegetation. On the other hand,
Secondary Succession can be defined as the growth of the community in such area which was previously occupied,
The rate of production of organic matter during photosynthesis is called Gross Primary Productivity (GPP) of the ecosystem.
When respiratory losses (R) is subtracted from GPP, we get Net Primary Productivity (NPP). Net primary productivity is the available biomass for the consumption of heterotrophs.
GPP = 300 kcal
R =
Hello Ravichandran!
Ecology and environment is a really interesting chapter in CBSE class 12th biology subject. The concept including primary and secondary productivity is GPP - RL = NPP i.e., gross primary productivity minus the respiratory losses equals net primary productivity. But, sorry to say, in order to get the
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