Severnaya Zemlya north from Siberia. The climate data below, taken from the Golomyanniy Meteorological Station gives an indication of the weather experienced in the archipelago. Severnaya Zemlya is a polar desert with sparse vegetation and permafrost at less than . Rare vascular plants include species of "Cerastium" and "Saxifraga". Non-vascular plants include the moss genera "Detrichum", "Dicranum", "Pogonatum", "Sanionia", "Bryum", "Orthothecium" and "Tortula", as well as the lichen genera "Cetraria", "Thamnolia", "Cornicularia", "Lecidea", "Ochrolechia" and "Parmelia". Common flowering plants of the high Arctic such as the purple saxifrage ("Saxifraga oppositifolia") and the Arctic poppy ("Papaver radicatum") also occur on Severnaya Zemlya. According
Novaya Zemlya lost more than three-fourths of the merchant ships committed to the convoy — more than one fourth of the losses to American shipping in all convoys to northern Russia. The destruction of PQ-17 significantly affected the people dependent on supplies carried by the ill-fated merchant ships. Karlo Stajner, a Gulag prisoner in Norilsk in 1942, wrote “the German cruiser’s attack on Novaya Zemlya and the sinking of the food transports had catastrophic consequences…the population was left without provisions…supplies in the warehouses of Norilsk [were] distributed among the NKVD, the guards, and the few free civilians that lived in the town.”