The causes of nomadism, migration, and decline in vertebrates are debated issues in the ecological sciences. Literature suggests nomadism may arise in species that specialize in granivory, nectivory, or the utilization of rodent outbreaks. Migration is thought to arise as a result of the exploitation of certain scarce or variable food resources. Species decline is hypothesized to be the result ...

Barry Smith T o grasp the full poignancy of Rosi Braidotti's piece, and of the sad strain of academic feminism that it represents, it is necessary to think back to a time, not·so long ago, when children still represented the primary form of social insurance for almost all groups in society. This was a time, too, when infant mortality rates were by modem standards atrociously high, giving rise t...

The anthropological study of nomadism should be approached via cultural ecology and by the generative method. A preliminary generative model is presented, consisting of a series of seven rules. The first five are derived from the literature and are concerned with group formation. The last two are proposed by the writer with a view to making the articulation between group formation, social ecolo...