This in turn affects the food available to primary species in the ecosystem.

Due to its abundance, it may be one of the primary species in a fishery.

Trout is the primary species for fishing in Aspen Lake.

Smallmouth bass, northern pike and walleye are its primary species of fish.

Commercial fishing has likewise steadily increased through the years, with the yellow fin tuna as the primary species.

The primary species of concern is the flat-tailed horned lizard.

The primary species responsible for work hardening are dislocations.

Some primary epiphytic species have a symbiotic relationship with ants.

They should be, I believe, the primary protected species of the human race.

The primary species of precipitation strengthening are second phase particles.