Ecoregions of New Mexico 109˚ 108˚ 107˚ 106˚ 105˚ 104˚ 103˚ 22 iver 20 20 Colorado Plateaus R r 26 UTAH ancos e 21 M v 37˚ i 21d 21 20b Shale Deserts and Sedimentary Basins R 21j 37˚

COLORADO 20 26f

a 21d t 21e 21g 21j on er 20c Semiarid Benchlands and Canyonlands 20b a 22b r Riv l 21a ar r 21d P 21h 21j m 20d e 22a Ci 26f 20d Arid Canyonlands a iv 20c Navajo 21g Dry 26 L R Reservoir 21f 21d 21h 21c 21b 21e Raton 21b 21b as Capulin m Aztec 21f 21b 21a Shiprock Farmington ni Tierra 21g 21j 21f Volcano NM A 21f Heron San Ju Amarilla an Res. 21b 26h 21 Southern Rockies Morgan River 21f 21h 21d Lake 21f 21g 25c 21a Alpine Zone 21e 21a El Vado 21c 21b 26l 21f Reservoir 21b 26h 21b Crystalline Subalpine Forests 21d 21h 22f 21c 21j

21a

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e OKLAHOMA C 21f 21c 21c Crystalline Mid-Elevation Forests i

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h 21c Clayton

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c r 21b C 25e 21d Foothill Woodlands and Shrublands C o 21f 21f a h G 21c Taos n a R 21e a m 21f 21e Sedimentary Subalpine Forests d i v 22n a i e 21g a CHUSKA MTNS r 22i io n 21f Sedimentary Mid-Elevation Forests 21h 21f R 25b S 21f 21c 21h 25 23 Abiquiu N R 21g Volcanic Subalpine Forests h T i as Reservoir 22h 21b v W M 21b e a-Zin r De-N 21e 21h Volcanic Mid-Elevation Forests O 23e T IS R 21e 21h 21j Grassland Parks C 21b 21f E Chaco Culture NHP D 25c 21e 21e 36˚ 22g E 21f 21c 21g R 36˚ 23c C G Mora haco N 21a 26h W 21g A 22 Arizona/New Mexico Plateau ash 21g S 21e 21b 22a San Luis Shrublands and Hills 21h 21g 21j 25e Los Alamos Mora River 22b San Luis Alluvial Flats and Wetlands 21a 21c 21g 22f Taos Plateau Bandelier NM 21e 26m Mosquero 21b 21f 22g Rio Grande Floodplain Cochiti Santa JEMEZ MTNS Reservoir 21c 21c CONTINENTAL DIVIDE 21d Fe Las Vegas 22h North Central New Mexico Valleys and Mesas Gallup 25b Conchas 22i San Juan/Chaco Tablelands and Mesas Jem 22h 21d e Reservoir 22j Semiarid Tablelands z C 23e 22 R o n iv c 22k Lava Malpais e h r a r Ute s ive 26 Bluewater R Reservoir ver 22l Plains of San Agustin 23c Reservoir Ri ZUNI MTNS 23c Bernalillo 23f SANDIA MTNS 22m Albuquerque Basin anadian 23d C SAN MATEO MTNS 23g 22n Near-Rockies Valleys and Mesas Grants 23f 26h Tucumcari r 22g 23f ive P 26n i R ec Zun os Albuquerque Santa Rosa 23 Arizona/New Mexico Mountains 35˚ Rio San Jose 26d Lake ES 35˚ 23a Chihuahuan Desert Slopes 23e CARPMENT ARIZONA 22m 23f Santa Rosa 23b Madrean Lower Montane Woodlands 22k 23e R OCK 23c Montane Conifer Forests 22j iv APR e C El Malpais 23e Los Lunas r 23c 23d Arizona/New Mexico Subalpine Forests NM R io Estancia 23e Conifer Woodlands and Savannas P

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r 26p 23f Rocky Mountain Conifer Forests c

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Lake 25i 23g Rocky Mountain Subalpine Forests MANZANO MTNS Sumner

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26h 26p 26h L Fort Sumner Clovis 24 Chihuahuan Deserts

A 24a Chihuahuan Basins and Playas

23c 23c 24b Chihuahuan Desert Grasslands N 25j

23e 26h 23e 24c Low Mountains and Bajadas 23f O Portales 24d Chihuahuan Montane Woodlands

26h 26o 24f Rio Grande Floodplain 34˚ 22l Socorro 24b 34˚ 24g Gypsiferous Dunes 23c 23d 23c 24h Lava Malpais 23c SAN MATEO MTNS SAN FRANCISCO MTNS 23d 23e 23 PLAINS OF SAN23c AGUSTIN 23f

24b TEXAS Reserve E 25 High Plains 24d 23d 23c 23f S 25b Rolling Sand Plains 23e 23d Carrizozo 23c 24a 23f 25c Moderate Relief Plains T 25j 23c 23f 23g 23e 25e Canadian/Cimarron High Plains

r e 24h A v 24b 25k 25i Llano Estacado i R Bitter 25 23d 23e Lake 25j Shinnery Sands E C

G M Roswell N 23a 25k Arid Llano Estacado O A Elephant G 23g R M A 23d R 24h io 23c H o ond O Butte E

L S L Reservoir O Two Rivers C N MT D N K F o S SACRAMENTO MTNS Reservoir A an ra cisc JORNADA DEL MUERTO n C L S 24d 26q A E 26 Southwestern Tablelands 25i L R O B T O u 26d Semiarid Canadian Breaks 23c 24c l Felix a R o Truth Or Consequences i

r io o 26f Mesa de Maya/Black Mesa 24d R s 33˚ Caballo a 23c 23d Reservoir 24a 25k 33˚ 26h Pinyon-Juniper Woodlands and Savannas S 23f A 24d P 23b M N 24g e 26l Upper Canadian Plateau 23c i c Lovington m o

b 24a 23b s r 26m Canadian Canyons e 24c 25j A r s Artesia Alamogordo E e R N R v S i i D io C 26n Conchas/Pecos Plains R v R A e R r i R Silver P ~ v E en P White asco e M Hobbs 26o Central New Mexico Plains S r

24 City Sands NM E Gila N R io T 26p Pluvial Lake Basins

M 23c 24c 24a T 26q Southern New Mexico Dissected Plains

N G S Brantley Reservoir r Y CONTINENTALDIVIDE 24b a n 24d E d L Lake Avalon e L 24b 24c 24c A 25j

V O

24c GUADALUPE MTNS R

Carlsbad 79 Madrean Archipelago G 24c

24c 24b Lordsburg A

N 24b 79a Apachian Valleys and Low Hills 23a

Salt M 24d A Lake S Deming T 24b 79b Lower Madrean Woodlands Las Cruces N O S R River 79 24f A ck 79c Madrean Pine-Oak and Mixed Conifer Forests 24a L la U 24a B 79b T 24c Carlsbad 23a Caverns NP 24d 32˚ 24h 24c 24b 32˚ 24c 24b TEXAS Red Bluff 24c 23 Reservoir 79b 79b 24c 24c Level III ecoregion El Paso MEXICO Level IV ecoregion Ciudad Juarez County boundary 79b 79c ANIMAS VALLEY State boundary 79c 79b International boundary 79b 79a Continental divide ANIMAS MTNS 24

PELONCILLO MTNS 79b Pecos 79a 79b 79b

109˚ 108˚ 107˚ 106˚ 105˚ 104˚ 103˚ Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and New Mexico contains semiarid shrub- and grass-covered plains, forested mountains, PRINCIPAL AUTHORS: Glenn E. Griffith (Dynamac Corporation), James M. Omernik (USGS), quantity of environmental resources; they are designed to serve as a spatial framework for glaciated peaks, woodland- and shrubland-covered hills, lava fields and volcanic plateaus, Maryann M. McGraw (NMED), Gerald Z. Jacobi (Jacobi and Associates), Christopher M. Canavan the research, assessment, management, and monitoring of ecosystems and ecosystem river floodplains, and arid deserts. Ecological diversity is enormous. There are 8 level III (NMED), T. Scott Schrader (NMSU), David Mercer (NMED), Robert Hill (NRCS), and Brian C. components. By recognizing the spatial differences in the capacities and potentials of ecoregions and 55 level IV ecoregions in New Mexico and many continue into ecologically Moran (Indus Corporation). SCALE 1:1 400 000 ecosystems, ecoregions stratify the environment by its probable response to disturbance. similar parts of adjacent states. COLLABORATORS AND CONTRIBUTORS: Shann Stringer (NMED), David McCraw (NM Bureau These general purpose regions are critical for structuring and implementing ecosystem of Geology and Mineral Resources), Ken Scheffe (NRCS), Paul Neville (EDAC/UNM), Phil Crocker 15 10 5 0 30 60 mi management strategies across federal agencies, state agencies, and nongovernment This map is part of a collaborative project primarily between USEPA Region VI, USEPA (USEPA), Shannen Chapman (Dynamac Corporation), Sandy Bryce (Dynamac Corporation), Mark organizations that are responsible for different types of resources within the same National Health and Environmental Effects Research Laboratory (Corvallis, Oregon), Gruber (New Mexico Department of Game and Fish), John Hutchinson (Science Applications 30 20 10 0 60 120 km geographical areas. New Mexico Environment Department (NMED), U.S. Department of Agriculture International Corporation), Jack Wittmann (USGS), and Tom Loveland (USGS). (USDA)–Natural Resources Conservation Service (NRCS), and U.S. Geological Survey Albers equal area projection REVIEWERS: Steve Cary (NM State Parks), Michael DeMers (New Mexico State University), and The New Mexico ecoregion map was compiled at a scale of 1:250,000. It revises and (USGS)–National Center for Earth Resources Observation and Science (EROS). The project Standard parallels 33˚ N and 36˚ N subdivides an earlier national ecoregion map that was originally compiled at a smaller scale. is associated with an interagency effort to develop a common framework of ecological Esteban Muldavin (University of New Mexico). The approach used to compile this map is based on the premise that ecological regions can regions. Reaching that objective requires recognition of the differences in the conceptual CITING THIS MAP: Griffith, G.E., Omernik, J.M., McGraw, M.M., Jacobi, G.Z., Canavan, C.M., be identified through the analysis of the spatial patterns and the composition of biotic and approaches and mapping methodologies applied to develop the most common ecoregion-type Schrader, T.S., Mercer, D., Hill, R., and Moran, B.C., 2006, Ecoregions of New Mexico (color poster abiotic phenomena that affect or reflect differences in ecosystem quality and integrity. These frameworks, including those developed by the USDA–Forest Service, the US EPA, and the with map, descriptive text, summary tables, and photographs): Reston, Virginia, U.S. Geological phenomena include geology, physiography, vegetation, climate, soils, land use, wildlife, and NRCS. As each of these frameworks is further refined, their differences are becoming less Survey (map scale 1:1,400,000). hydrology. The relative importance of each characteristic varies from one ecological region to discernible. Collaborative ecoregion projects, such as this one in New Mexico, are a step Ecoregion maps, publications, GIS files, and contact information are available at www.epa.gov/wed/pages/ecoregions.htm. another regardless of the hierarchical level. toward attaining consensus and consistency in ecoregion frameworks for the entire nation. NM_eco_map_fnl3.ai GG 1/23/07