Fecundity n. : The quality or power of producing fruit; fruitfulness; especially (Biol.), the quality in female organisms of reproducing rapidly and in great numbers.

Fecundity n. : The power of germinating; as in seeds.

Fecundity n. : The power of bringing forth in abundance; fertility; richness of invention; as, the fecundity of God's creative power.

Example:
What factors may lead to a decrease in Fecundity when the population density rises?

Taxonomy
Fecundity, free encyclopedia, eggs, store, fertilization, search, reproductive capacity, seed, propagules, environmental control, measure, Fecundation, period of time, population ecology, current conditions, hardship, juvenile, adult.

Defination from the web:
fecundity is the potential reproductive capacity of an organism or population, measured by the number of gametes (eggs) ... Super fecundity refers to an organism's ability to store another organism's sperm (after copulation) and fertilize its own eggs from that store ...