The social network of interest in this volume is the personal social network that is centered on a particular child. Definitions of social network draw attention to the ties or linkages that connect individuals (and sometimes groups or institutions)—linkages that can be conduits for diverse resources.

Many shrimpers complain that the crabbers place their traps too close together and that they can't go between the traps without snagging their nets.

Intraspecific biological groups of acipenserine fishes and their reproduction in the lower regions of rivers with regulated flows.

Recent research in the field of sociolinguistics and related fields has shown that women and men speak differently.