physical characteristics
permafrost- layer of permanently frozen ground beneath the thin soil extreme cold and lack of light for months
low biodiversity
due to short growing season and general harsh environment
fragile
any disturbances to those ecosystems i difficult to recover from as everything takes such a long time to grow in the harsh environments
Svalbard
5 major island in arctic ocean, pop 2700, fish 150 species, 300 employed in mines, 70,000 annual tourists, dark 4 months, -30 *c in winter, 1 small airport