Shrubs are an important part of the arctic vegetation and we did not ...Snow usually protects arctic plants through the long winter period as ... <a href="http://www.bio-medicine.org/inc/biomed/biology-news.asp">http://www.bio-medicine.org/inc/biomed/biology-news.asp</a> http://feeds.bio-medicine.org/latest-biology-newsDate:6/19/2011 area the dwarf shrub Empetrum hermaphroditum.