Genetic analysis of caribou populations reveals that some groups are genetically more predisposed to migrating than others. But human activities are affecting these behaviours.
Wealthy states sort people into hierarchies, keeping ‘unwanted people’ in their regions of origin while facilitating mobility for supposedly ideal migrants.
It isn’t at all clear Australia can find enough migrants to meet the Treasury’s proposed target. Even if it can, net migration is determined by other things.
The government’s proposal to strengthen the “character test”, which allows it to cancel the visas of people convicted of certain crimes, is unnecessary given the minister’s already vast powers.
It’s usually good news when a once-scarce species starts to recover – unless it starts getting in humans’ way. An ecologist explains how science can help predict unwelcome encounters.
Professor of International Migration and Forced Displacement and Director of the Institute for Research into International Migration and Superdiversity, University of Birmingham
Leader of Research Group “The Production of Knowledge on Migration” at the Institute for Migration Research and Intercultural Studies, Osnabrück University, Osnabrück University