CLASS,PRIMARY,SECONDARY,TERTIARY
1,"Tundra, confused with desert",Other desert,Sand desert
2,Tundra,Polar desert,Not present
3,Tundra,Northern/maritime taiga,Not present
4,Tundra,Polar desert,Wooded tundra
5,Tundra,Wooded tundra,Northern / maritime taiga
6,Tundra,Wooded tundra,-
7,Tundra,Northern/maritime taiga,Wooded tundra
8,Mild/hot warm grass/shrub,Sand desert,Other
9,Tundra,Wooded tundra,Northern / maritime taiga
10,Tundra,Northern/maritime taiga,Main boreal forest
11,Mild/hot grass/shrublands,Tundra,Sand desert
12,Northern/mar. taiga,Tundra,Not present
13,Tundra,Wooded tundra,Northern / maritime taiga
14,Mild/hot warm grass/shrub,Cool/cold shrublands,Sand desert
15,Northern/maritime taiga,Tundra,Main boreal conifers
16,Northern/maritime taiga,Tundra,Main boreal conifers
17,Main boreal conifers,Cool snowy grass/shrubs,Conifers
18,Northern/maritime taiga,Cool farmlands,Cool snowy grasslands
19,Northern/maritime taiga,Tundra,Wooded tundra
20,Tundra,Northern/maritime taiga,Wooded tundra
21,Northern/maritime taiga,Main boreal forest,Tundra
22,Cool/cold shrublands,Cool snowy grasslands,Mild hot warm grass/ shrub
23,Northern/maritime taiga,Tundra,Main boreal conifers
24,Northern/maritime taiga,Tundra,Main boreal forest
25,Cool/cold shrub,Mild/hot shrublands,Cool snowy grasslands
26,Northern/maritime taiga,Main boreal conifers,Tundra
27,Cool farmlands,Cool snowy grasslands,Main boreal forest
28,Northern/maritime taiga,Tundra,Wooded tundra
29,Main boreal conifers,Northern/maritime taiga,Tundra
30,Northern/maritime taiga,Main boreal conifers,Tundra
31,Wooded tundra,Tundra,Main boreal conifers.
32,Main boreal conifers,Tundra-taiga,Tie
33,Northern/maritime taiga,Main boreal conifers,Cold steppe
34,Cool snowy grasslands,Cool/cold shrublands,Cool
35,Main boreal conifers,Northern/maritime taiga,Tundra
36,Wooded tundra,Cold steppe,Tundra
37,Main boreal conifers,Cool snowy grasslands,Cool farmlands
38,Main boreal conifers,Cold steppe,Northern/maritime taiga
39,Main boreal conifers,Northern/maritime taiga,Tundra
40,Mild/hot warm grass/shrub,Mild/hot farmlands,Cool croplands
41,Cool farmlands,Cool snowy grasslands,Grasslands /croplands
42,Northern/mar. taiga,Tundra,Main boreal conifers
43,Main boreal conifers,Snowy non-boreal conifers,So dry taiga
44,Main boreal conifers,So dry taiga,Tundra
45,Main boreal conifers,Cool farms,Siberian boreal taiga
46,Main boreal conifers,Conif./decid. forests,Mires
47,Main boreal conifers,Conif./decid. forests,Mires
48,Mild/hot farmlands,Regrowing woods/crops,Conifers
49,Snowy nonboreal conifers,So dry taiga,Tundra
50,Main boreal conifers,Cold steppe,Northern/maritime taiga
51,Cool farmlands,Grassland / croplands,Cool snowy grasslands
52,Regrow. Woodlands/crops,So. dry taiga,Cool snowy grasslands
53,So dry taiga,Snowy non-boreal conifers,Main boreal forest
54,Mild/hot farmlands,Cool farms-regr woodlands,Tie
55,Main boreal conifers,Sib. Larch taiga,Snowy non-boreal conif. forest
56,Snowy non-boreal conifers,Main boreal conifer,Southern dry taiga
57,Conif/decid forest,Regrow wood/crops,Cool snowy grasslands
58,Regrow woodlands/crops,Cool farms,Grass/croplands
59,Cool farm,Regrw woods/crop,Conif./decid. forest
60,Snowy nonboreal conifers,Regrw woods/crop,Conif./decid. forest