Non-metric Multidimensional Scaling (NMDS) ordination of plots in the Arctic Tundra & Barrens Division (4.B.2.Xa) symbolized by macrogroup (panels A–C) and group (panel D) with fitted Generalized Additive Model (GAM) surfaces overlaid to illustrate the relationships between plant species composition and environmental gradients, ELD Arctic association classification, Alaska.

 
 
  Part of: Wells AF, Swingley CS, Ives SL, McNown RW, Dissing D (2022) Vegetation classification for northwestern Arctic Alaska using an EcoVeg approach: tussock tundra and low and tall willow groups and alliances. Vegetation Classification and Survey 3: 87-117. https://doi.org/10.3897/VCS.65469