There are also powerful ecological constraints on whether young disperse to new territories.
"Not only genes are inherited from ancestors, also environmental conditions and ecological constraints.
An age of ecological constraints means infinite economic expansion cannot continue forever, so some measure of redistribution is clearly necessary.
The aircraft would have three different forms of propulsion in order to eliminate noise problems and meet future ecological constraints.
Its scientific roots were in geography and philology, and it was concerned with the study of cultural traditions and with adaptations to local ecological constraints rather than with universal human histories.
More skeptical than White about traditional models of unilineal evolution, Steward urged the study of particular evolutionary processes within enduring culture areas, in which societies with a common origin were exposed to similar ecological constraints.
When two taxa of organisms show similar variations in distribution, it is theorized that they have been subject to the same kinds of evolutionary processes, such as ecological constraints that favour certain adaptations or random geographic changes.
Land planning is for larger-scale developments involving subdivision into several or many parcels, including analyses of land and landscape, feasibility studies for economic, social, political, technical, and ecological constraints, and detailed site plans as needed.
Differences suggest ecological sexual segregation resulting from different ecological constraints.
Through interactions with specific ecological constraints in learning environments, cognition, decision making and action emerge.
Thus, the Linville Gorge fire appears to have generally reinforced the ecological constraints imposed by underlying environmental gradients.
