Frozen fauna – Frossen fauna Project publications By Jørgen Rosvold – Rosvold, J. (2015). Perennial ice and snow-covered land as important ecosystems for birds and mammals. Journal of Biogeography (in press). – Røed et al. (2014). Ancient DNA reveals prehistoric habitat fragmentation and recent domestic introgression into native wild reindeer. Conservation Genetics 15, 1137-1149.