Globalising a planet: tourists bring invasive species to Antarctica
Okay. That does it. An editorial break.
Okay. That does it. An editorial break.
“In reserves off Spain and Italy, we found the largest fish biomass in the Mediterranean. Unfortunately, around Turkey and Greece, the waters were bare” – Enric Sala, National Geographic Society.
Here on Bitsofscience.org we try to keep things simple. CCD is bad. Invasive species are bad. But sometimes complex reality forces you to consider more pragmatic views. Or at least that’s what two Princeton researchers would argue.
Last week we took a look at the slowness of species migration before the age of the 747. Today we speed up time by a thousand – to get to the ecological reality of globalisation.
What happens on a daily basis now, used to occur just twice in millions of years – for this one horn snail at least. Snail’s airlift chance before age of globalisation: mistaking heron’s leg for reed?