According to Saskia Sassen (2012), contemporary borders are not erected against other sovereigns, but against nonstate transnational actors, migrants among them. The autonomy of migration of the latter is an act of resistance against the border regimes. Border and immigration controls aim at...

According to Saskia Sassen (2012), contemporary borders are not erected against other sovereigns, but against nonstate transnational actors, migrants among them. The autonomy of migration of the latter is an act of resistance against the border regimes. Border and immigration controls aim at...

Microcohorts of white shrimp, Litopenaeus vannamei, were sampled with a cast net at fortnightly intervals in the Mar Muerto Lagoon, Southern Mexico. Shrimp recruited to the lagoon throughout the sampling period (January to August 1993). Mean growth rates of microcohorts ranged from 0.21 to 1.21...