Iceland has been inhabited since the viking era, which should be enough time for a Homo sapiens population to flourish. Why are there so few of them on the island?
Hi, there's lots of room for more input, especially on the topics of geography, climate, arability and so on, but you'll find some discussion of historical events here
/u/The_Alaskan in Why does Iceland have such a low population?
a tangential discussion in Iceland is remote and sparsely populated. Why does it have such a large medieval literary corpus?