The availability of water light and
the climate abiotic factors that limit
growth of a population. the
producers are responsible the
synthesis of organic transferred
along the food of an ecosystem,
water light affect the availability
food and a population grow
beyond the number individuals the
environment is to feed. For
example, the desert, the biomass
relatively small and populations live
in this ecosystem smaller (compared
to the species in environments
with available biomass).The
climate, including temperature,
affects the population because
excessive change in factor, as the
occurrence droughts or floods, may
significant population decline;
small changes can also alter
photosynthesis rate and reduce
availability of food in ecosystem.