Integrating models of soil dynamics, animal behaviour and vegetation response for the management of arid lands
is essential. Techniques currently being developed to recognize the attributes of eroding systems and to model their behaviour over space and time are outlined here.
Interpretation of damage to coconut palms, motu and reef-flat structures together with other directional indicators show that hurricane Bebe passed to the east of the atoll. A model showing wind and water motion associated with the storm
Une variante de l'analyse shift-share est appliquée aux salaires de l'industrie relatifs à 22 districts néo-zélandais (1980 et 1984) dans le but de tester, par l'intermédiaire de trois modèles, le pouvoir explicatif de composantes illustrant les