richness
n. uncountablen. the quality of having a lot of something good, such as variety, color, or flavor. In nature, it describes an area with many different types of plants and animals.
n. the state or quality of being abundant, fertile, or varied in resources and life forms. Often refers to the complexity and diversity of an ecosystem.
The richness of the soil helps the crops grow quickly.
Ecologists measured the species richness of the rainforest to determine how many different types of birds lived in the canopy.
The inherent richness of the coastal wetlands provides a critical buffer against erosion while supporting a vast network of migratory species that depend on the area's high nutrient levels.
Inherited from Middle English richenesse; by surface analysis, rich + -ness.
Uncountable in its general sense; however, 'richnesses' may appear in literary contexts to describe specific instances of wealth or variety.