Graphics || Map Unit Images || Vegetation Unit Photos || Plant Community Photos || Circumpolar Arctic Bioclimate Subzone Photos
Figure 4. Six ecosystem types along a toposequence beginning in tussock tundra and ending on the floodplain of the Sagavanirktok River. The total vertical drop is about 20 m, and the horizontal distance is about 200 m (Shaver et al. 1991).