Arkansas Level 4 Ecoregions Map

er35a - Tertiary Uplands
er35b - Floodplains and Low Terraces
er35c - Pleistocene Fluvial Terraces
er35d - Cretaceous Dissected Uplands
er35g - Red River Bottomlands
er35h - Blackland Prairie
er36a - Athens Plateau
er36b - Central Mountain Ranges
er36c - Central Hills, Ridges, and Valleys
er36d - Fourche Mountains
er36e - Western Ouachitas
er37a - Scattered High Ridges and Mountains
er37b - Arkansas River Floodplain
er37c - Arkansas Valley Hills
er37d - Arkansas Valley Plains
er38a - Upper Boston Mountains
er38b - Lower Boston Mountains
er39a - Springfield Plateau
er39b - Dissected Springfield Plateau-Elk River Hills
er39c - White River Hills er39c - Central Plateau
er39j - Black River Hills Border er39j - Northern Holocene Meander Belts
er73b - Northern Pleistocene Valley Trains er73b - St. Francis Lowlands
er73d - Northern Backswamps er73d - Grand Prairie
er73f - Western Lowlands Holocene Meander Belts er73f - Western Lowlands Pleistocene Valley Trains
er73h - Arkansas/Ouachita River Holocene Meander Belts er73h - Arkansas/Ouachita River Backswamps
er73j - Macon Ridge er73j - Bluff Hills

Based on Ecoregions developed by the EPA this map describe areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources, as well as similarity of climate that can assist Arkansas gardenders.

Ecoregion Maps for Neighboring States

  • Louisiana Interactive Level 4 Ecoregions Map
  • Mississippi Interactive Level 4 Ecoregions Map
  • Missouri Interactive Level 4 Ecoregions Map
  • Oklahoma Interactive Level 4 Ecoregions Map
  • Tennessee Interactive Level 4 Ecoregions Map
  • Texas Interactive Level 4 Ecoregions Map

Related Arkansas Maps:

  • Arkansas Last Frost Date Map
  • Arkansas 1990 USDA Hardiness Zone Map
  • Arkansas 2012 USDA Hardiness Zone Map
  • Arkansas First Frost Date Map
  • Arkansas Last Frost Date Map
  • Map of Arkansas Record High/Low Temperatures
  • Arkansas Interactive Drought Monitor Map
  • Arkansas Drought Index Map
  • Arkansas Heat Zones Map
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