But ecological differences exist as I. orjenii is never found on extremely shallow soils.

In general, peach production in China can be divided into seven regions based on regional climate and ecological differences.

There are also a number of ecological differences between the two species.

"Pagophila" is maintained as a unique genus because of the bird's morphological, behavioral and ecological differences from these species.

See Johnson et al. (2004) for more details on morphological and ecological differences as well as phylogenetic relationships between these species.

However, its range is altogether parapatric with that of the eastern Bride moths, and the ecological differences are slight.

The episodes were divided by region to present the distinct cultural as well as ecological differences.

Their varied mating systems and diverse habitats have the potential, through comparative studies, to explain how ecological differences affect mating strategies.

Such an ecological difference between adults and juveniles had not been previously observed in sauropodomorphs.

Dr. van Schaik said there was no evidence of ecological or genetic differences that would lead to such differences in behavior.