back to map State of N.Yukon Taiga Net
Land Cover

LEGEND

Click on the colours for image examples and photographs.

CLASS-SI provides the colour classes for the Enhanced Satellite Image.
CLASS-CM provides the colour classes for the Classified Map.

Class
CLASS-SI
CLASS-CM
NAMEDESCRIPTION
0
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UnclassifiedUnclassified
1
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Clear WaterClear water in lakes and rivers
2
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Turbid WaterTurbid water in lakes and rivers
3
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Submergent VegetationCommunities of Potamogeton spp.
4
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Floating-leaved VegetationDense communities of Sparganium or Nuphar
5a
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Emergent Vegetation, FenFibrous floating mats dominated by graminoids (usually Carex aquatilis), or dense meadows of Carex aquatilis or Arctophila fulva in recently drained lake basins. The colour is sample is from the latter
5b
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Emergent Vegetation, FenCommunities of Carex aquatilis and Menyanthes trifoliata
5c
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Low-Centre Polygon FenThis very wet polygonized ground underlain by frozen peat is found in old lake basins and depressions. The vegetation is usually a sparse coverage of emergent graminoids (such as Carex aquatilis, Carex chordorhiza), which gives rise to a Landsat signature very similar to that of other emergent vegetation classes (5a, d). It is a very common feature of tundra further north on the Yukon Coastal Plain. (Note: further information not completed for this vegetation class)
5d
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Emergent Vegetation MarshMarsh communities dominated by Carex aquatilis
6
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Sphagnum MatMats of various Sphagnum mosses underlain by saturated peat
7
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Dead Willow, Wet SedgeDead willow shrubs with an understory of wet sedge, usually Carex aquatilis. This community forms in lakes that have drained and are in the process of reflooding as permafrost invades and impedes drainage
8
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Moist Graminoid CalamagrostisMeadows dominated by Calamagrostis in drained lake basins. Usually has some scattered medium to tall willow and alder shrubs
9
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Moist Graminoid Cottongrass TussockExtensive meadows of Eriophorum vaginatum tussocks on uplands underlain by mineral soils
10
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Moist Graminoid, ShrubMoist graminoid communities (8 and 9 above) with higher coverage of shrubs
11
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Open ShrubVariable communities dominated by medium to tall shrubs. Understory communities may be graminoid, low ericaceous shrub, or bryophyte. Often includes scattered spruce
12
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Shrub ThicketDense stands of medium to tall shrubs, usually willow or alder. The densest stands are found in recently drained lake basins, along rivers, and on levees. Understory species are variable, including Carex aquatilis in recently drained lake basins
13
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Open Spruce ForestOpen canopy spruce forests with understory of ericaceous shrubs, cottongrass tussocks, or lichen
14
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Lichen HeathLichen mats underlain by relatively well-drained soils. Usually found in the form of high-centred or flat-centred polygons
15
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Wet BarrensUnvegetated or sparsely vegetated saturated soils, usually in very recently drained or drying lakes, or along rivers
16
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Dry BarrensUnvegetated or partially vegetated dry soils, most commonly found in exposed alpine areas or gravel bars along rivers. Small areas found in drained lake basins. Some areas of cottongrass tussock tundra may be found in this class if there is a high percentage of frost boils

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