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Type A is representative of a mesic heath, dominated by arctic willow (Salix arctica), whereas Type B is recognised as a moss-sedge meadow in a meso-hydric zone where mosses are mainly Ditrichum fleixcaule and sedges are made up of several species of Carex. Field investigation of these two vegetation end members was carried out where they occurred. The use of imaging spectrometer data is shown to be effective for identifying and mapping some types of arctic vegetation. Although no attempt was made to conduct a complete botanical survey of the study area, a good understanding of the spectral end members obtained in our analysis was aided by ground-based spectral measurements of single plant species.
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