Classic models of population genetics consider the source of genetic differentiation between populations (F ST ) to result either from an equilibrium between migration and drift (island model) or from drift since the time of divergence (isolation model).
As with the very active Soviet program, which predated World War II and was restarted immediately afterward, early access relied on drifting ice islands.
In the meantime, the best that China can hope for is that deepening economic ties will stop the island drifting further away.
Emigration to foreign lands looks too arduous when, "by drifting to another island, you can unlace the stays of place and clan, you can learn new dances and try new foods".
The 16ft (5m) boat had begun drifting towards Moelfre island when a lifeboat was launched, the RNLI said.
As a result, she found me extremely unsympathetic, and we spent most of those two years on separate emotional islands, drifting apart, getting closer, drifting apart.
As a result, most of the 144,000 gallons of spilled oil, which had been drifting westward toward islands with large animal populations, are being driven in a more northerly direction, away from inhabited areas.
The young lovers escape the city, and the looming prospect of adult responsibilities, by borrowing a motorboat and heading off to the archipelago that lies east, off the Baltic coast, where they spend an idyllic summer drifting among the islands, living off the land and making love in the open air.
In November the government of the Maldives said it was developing a joint strategy to deal with Somali pirates with India and Sri Lanka, after it arrested more than 30 who were drifting near the islands.
Melda was reportedly drifting towards the Greek island of Lesbos, around 12 miles to the south-west of the town, when she was rescued.
