In order to address the issue, a combination of ecological, taphonomical and practical factors have to be considered.

These social systems are affected by three main ecological factors: distribution of resources, group size and predation.

Waste is both an economical and an ecological factor in print production.

This, along with the behavioral and ecological factors mentioned above, makes island species more vulnerable to extinction.

Who knows if they'll ever figure out exactly which ecological factors led our finned ancestors ashore?

The most common reasons for ecosystem disruption are the ecological factors that were discussed in the environment section.

It is impossible to perceive any global coincidence at all between ecological or economic factors and family types.

Earlier views were based largely on correlations between social structure and ecological factors.

The focus will be on the influence of natural site characteristics and ecological factors on design.

Not surprisingly, therefore, most approaches have been based on the cultural dimension with the addition of ecological and occupational factors.