why for a stable community not much productivity should be shown from year to year - Biology - Biodiversity and Conservation

Question

why for a stable community not much productivity should be shown
from year to year?

Mushtaq Ahmed · Accepted Answer

A stable community should not show much variation in the
productivity from year to year because any change in the
productivity affects the stability of the community

why for a stable community not much productivity should be shown from year to year?