Fig. 4 in Evidence Supporting the Concept of a Regionalized Distribution of Testate Amoebae in the Arctic

Fig. 4. Map of the Arctic (polar view) with climatic zonations according to Prik (1981) and the location of the different clustergroup members. The delination of the southern limit of the Arctic is given by the arrow with the number 1. The arrow 2 gives the southern limit of the High Arctic, arrow 3 the southern limit of the Polar Desert zone (according to Aleksandrova 1980). Sv-Gr stands for the suggested SvalbardGreenlandic protozoological region, Si stands for the Siberian.