Non-metric multidimensional scaling ordination (NMDS) of the butterfly communities for contamination categories and seasons of the year of the MMZ A pollution free (blue colour), low pollution (green colour), moderate pollution (yellow colour) and high pollution (red colour) B rainy season (blue colour) and dry season (red colour).

  Part of: Meléndez-Jaramillo E, Cantú-Ayala CM, Treviño-Garza EJ, Sánchez-Reyes UJ, Herrera-Fernández B (2021) Composition and diversity of butterflies (Lepidoptera, Papilionoidea) along an atmospheric pollution gradient in the Monterrey Metropolitan Area, Mexico. ZooKeys 1037: 73-103.