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Table 1 Correlations (Spearman’s ρ) with daily root production (cm cm−2 day−1). End of season represents July 29 to August 12 in 2013 and August 5 to September 5 in 2014

From: Root phenology in an Arctic shrub-graminoid community: the effects of long-term warming and herbivore exclusion

Duration NDVI Soil water content Soil temperature Day length Julian day
Whole season −0.37 *** 0.26 ** −0.067 (ns) 0.30 *** −0.11 *
End of season −0.13 (ns) 0.16 (ns) 0.0079 (ns) −0.062 (ns) 0.062 (ns)
  1. *p < 0.05, **p < 0.01, ***p < 0.001, ns = not significant