The Coastal Tundra at Barrow 27 



I56'>4l 



Site 7- 



'^-7n7'45" 



71° 17 30 



'.uzula heoth(l) 



Arctophila pond 



margin(VII) 



^ Carex-Oncophorus 

 ^ meadow (IV) 



\Salix heath (II) Wyi Dupontia meadow(V)| 1 CocA/ffOA/'<7 meadow 



|tro/-e>r->Oo(7 meadow ■ Carex-Eriophorum 

 I (III) ^^ meodow (VI) 



\G 



rovel road 



FIGURE 1-12. Vegetation map of the Biome research sites. The types 

 have been coded according to their most abundant vegetation. The de- 

 tails of the vegetation for site 4 are shown in Figure 1-8. (After Webber 

 1978.) 



1-12) and an estimate of the area occupied by each type was computed 

 (Table 1-4; Webber 1978). Luzula heath (Type I), which occupies only 

 3% of the Biome research area, is characteristic of high-centered poly- 

 gons and some raised beaches. The low density of species and individuals 

 within the Luzula heath is due to dryness, elevation above the water 

 table, thin snow cover, and exposure to winds. The characteristic 

 growth-forms present are caespitose graminoids and lichens. Characteris- 



