Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports.
For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Hugo Ahlenius, UNEP/GRID-Arendal)
Fedorov, V.B. 1999. Contrasting mitochondrial DNA diversity estimates in two sympatric genera of Arctic lemmings (Dicrostonyx, Lemmus) indicate different responses to Quaternary environmental fluctuations. P. Roy. Soc. B-Biol. Sci.266: 621-626.
Fedorov, V.B., Institute of Arctic Biology, University of Alaska Fairbanks, pers. comm. 2009.
MacDonald, G.M., Velichko, A.V., Borisova, O.K., Goleva, A.A., Andreev, A.A., Cwynar, L.C., Riding, R.T., Forman, S.L., Edwards, T.W.D., Aravena, R., Hammarlund, D., Szeicz, J.M. & Gattaulin, V.N. 2000. Holocene treeline history and climate change across Northern Eurasia. Quaternary Res. 53:302-311.
Uploaded on Tuesday 21 Feb 2012
Arctic genetic trends - lemming in Arctic Russia
Hugo Ahlenius, UNEP/GRID-Arendal
Nucleotide diversity estimates based on the complete sequences of mitochondrial genome in the collared
lemming indicate how past climate has structured the genetic component of biodiversity. Lower diversity in regions
(green) affected by the northward forest expansion during the Holocene warm climatic events compared to Western
Beringia, where there was no forest expansion, suggests a reduction of effective size due to regional range contractions
during warming events in the Holocene.