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Q. Which of the following ecosystems is most productive in terms of net primary production?

Ecosystem

Solution:

Tropical rainforests have an average net primary productivity $(NPP)$ of $1,500 \,g/m^2/yr$. Open oceans and deserts have average $NPP$ of $125$ and $90\, g/m^2/yr$ respectively. Algal beds and reefs ecosystem have average $NPP$ of $2,500\, g/m^2/yr$.