Table 1.

Site and sampling details.

Site	GPS location	Distance from ice margin	DOY of snow line retreat	Duration since snow line retreat (d)
S1a	67.0003, - 47.0154	∼135 km	213	n.a.
S1b	67.0631, - 47.5433	∼110 km	205	13 (T2)
S2	67.0571, - 48.3064	∼75 km	191	18 (T1)
				27 (T2)
S3	67.0913, - 48.8929	∼50 km	152	57 (T1)
				66 (T2)

Sites S1a and S1b were surveyed during transect 1 (T1, DOY = 209) and transect 2 (T2, DOY = 218), respectively, whereas sites S2 and S3 were surveyed during both transects.