. . . . . . . . . . . . . . . "A list of tundra ecoregions from the World Wide Fund for Nature (WWF) includes:"@en . . . . . . . . . . . . . . . . . . . . . "1078253467"^^ . . . . . . . . . . . . . . . "List of tundra ecoregions"@en . . . . . . . . . . . . . . . . . "4386"^^ . . "1832701"^^ . "A list of tundra ecoregions from the World Wide Fund for Nature (WWF) includes:"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .