The annual mass migration of sardines is triggered by cold water on South Africa’s south-east coast. But did you know there are actually two regional populations that are genetically different? This article offers some explanations for the sardine’s behaviour, and the study solves some of the major riddles concerning the sardine run.
Most Popular
Seeing’ the Air that you Breathe
Johannesburg’s air quality has never really been measured systematically. Like many other cities across the globe, scientists have battled to develop cost-effective monitoring systems...
A Single Maritime Ministry? Necessary Reform or Structural Overreach?
South Africa is, by geography and economic potential, a maritime nation. With over 2500 kilometres of coastline straddling one of the world’s busiest shipping routes, the...
The Legal Right to Water
The availability of safe drinking water is key to understanding Africa’s water crisis. The WHO/UNICEF Joint Monitoring Programme found that just 39% of Africans used safely managed...
A Drop in the Ocean as Another Thirteen Arrested for Poaching
The hypocrisy of “post mortem” conservation - that perlemoen (abalone) is already dead, shucked and bagged before an arrest is made - is highlighted...
















Comments are closed.