Tree Line Shift (IMAGE)

Umea University

Tree Line Shift

Caption

The mountain Nuolja in winter on Feb. 28, 1921 and Feb. 28, 2017. Note that the tree line has shifted upwards.

Credit

Photo Credit: black-and-white C. G. Alm 28 February 1921 and the colour photo Oliver Wright 28 February 2017 (copyright Oliver Wright 2017)

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