. . "Colorado" . . . "Alpine timberline ecosystems in Colorado"@en . . . . . "The effective climate in the dynamics of alpine timberline ecosystems in colorado" . "The effective climate in the dynamics of alpine timberline ecosystems in colorado"@en . . . . . . . . . . . "The effective climate in the dynamics of alpine timberline ecosystems in Colorado"@en . "The effective climate in the dynamics of alpine timberline ecosystems in Colorado" . .