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Arctic
1
Biological Sciences
1
Bistorta vivipara
1
Cassiope tetragona
DNA-damage
1
Dryas
1
Pedicularis hirsuta
1
Polytrichum hyperboreum
1
Salix
1
Sanionia uncinata
cover
1
gametophyte
1
inflorescence
1
leaf area
1
octopetala
1
ozone depletion
1
plant density
1
polaris
1
supplementation
1
thickness
tundra
1
ultraviolet-b radiation
1
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