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Concerns about the influence of climate change on biota have emerged over the past decade, and responses in species populations and distribution patterns have already been documented (Parmesan 1996, Thomas and Lennon 1999). Current climates and communities will not simply migrate, but rather will re-form in novel ways over time (Fox 2007; Hunter et al. 1988; Williams and Jackson 2007). Due to the uncertainty of future climatic patterns and species responses, enduring features of the landscape (geophysical settings) are appropriate targets of assessment, planning, and conservation (Anderson and Ferree 2010, Beier and Brost 2010, Brost and Beier 2012; Hunter et al. 1988). Only recently have enduring features been...
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Grasslands comprise a small part of the Chihuahuan Desert but are vital to the biological diversity of the ecoregion. Characteristic grasses of the Chihuahuan Desert are tobosa (Pleuraphis mutica) and black grama (Bouteloua eriopoda) but other common species include alakali sacaton (Sporobolus airoides), big alkali sacaton (S. wrightii), mesa dropseed (S. flexuosus), blue grama (B. gracilis), sideoats grama (B. curtipendula ), hairy grama (B. hirsuta), slender grama (B. filiformis), chino grama (B. brevista), spruce top grama (B. chondrosioides), bush muhly (Muhlenbergia porteri), several three awns (Aristida spp.), and fluff grass (Dasyochloa pulchela) (Johnson 1974, Dinerstein et al. 2000). Many of the sites discussed...
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This file represents the final version of an assessment of the extent, condition, and distribution of grassland types in Arizona as indicated by expert interviews and field verification. Coverage includes the state of Arizona, Southwestern portions of the state of New Mexico, and the Northern portion of Sonora, Mexico.
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The Desert Renewable Energy Conservation Plan (DRECP), a major component of California's renewable energy planning efforts, will help provide effective protection and conservation of desert ecosystems while allowing for the appropriate development of renewable energy projects. The DRECP is focused on the desert regions and adjacent lands of seven California counties - Imperial, Inyo, Kern, Los Angeles, Riverside, San Bernardino, and San Diego. It is being prepared through an unprecedented collaborative effort between the California Energy Commission, California Department of Fish and Wildlife, the U.S. Bureau of Land Management, and the U.S. Fish and Wildlife Service also known as the Renewable Energy Action Team....
What are current conditions for important park natural resources? What are the critical data and knowledge gaps? What are some of the factors that are influencing park resource conditions? Natural Resource Condition Assessments (NRCAs) evaluate and report on the above for a subset of important natural resources in national park units (hereafter, parks). Focal study resources and indicators are selected on a park-by-park basis, guided by use of structured resource assessment and reporting frameworks. Considerations include park resource setting and enabling legislation (what are this park's most important natural resources?) and presently available data and expertise (what can be evaluated at this time?). In addition...
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Natural landscapes in the Southwestern United States are changing. In recent decades, rising temperatures and drought have led to drier conditions, contributed to large-scale ecological impacts, and affected many plant and animal species across the region. The current and future trajectory of climate change underscores the need for managers and conservation professionals to understand the impacts of these patterns on natural resources. In this regional assessment of the Southwest Climate Change Initiative, we evaluate changes in annual average temperatures from 1951–2006 across major habitats and large watersheds and compare these changes to the number of species of conservation concern that are found within these...
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El Espacio Digital Geográfico (ESDIG) de la SEMARNAT, muestra en mapas información sobre las características ambientales y sociales del país en temas como vegetación, uso del suelo, cuerpos de agua, suelos, clima, población, entre otros, así como de los resultados de programas ambientales y sociales dedicados al aprovechamiento, conservación y recuperación de los ecosistemas naturales de México. Los mapas desplegados son extraídos de la base de datos geográfica del SNIARN. La información contenida en ésta base ha sido generada por diferentes áreas de la Semarnat, sus órganos desconcentrados y descentralizados, así como también por el INEGI y diversas dependencias del Gobierno Federal.
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These data are the final landscape permeability data as described in the report "Conserving Nature's Stage: Identifying Resilient Terrestrial Landscapes in the Pacfic Northwest."Permeability refers to the connectivity of a focal cell to its ecological neighborhood when it is viewed as a source; in other words, it asks the question: “to what extent are ecological flows outward from that cell impeded or facilitated by the surrounding landscape?” Thus,permeability starts with a focal cell and looks at the resistance to ecological flow outward in all directions through the local neighborhood. As resistance increases, flow is impeded or stopped altogether. Areas of no resistance allow the flow to proceed until a user-specified...
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Geoinformación es un portal de información geográfica donde se puede consultar, visualizar y descargar cartografía temática de diferentes escalas generada y recopilada por CONABIO. Para desarrollar este portal se utilizó software de código abierto (open source). Las características principales del portal, son, desarrollar mecanismos de acceso a los acervos de datos geográficos de la CONABIO a través de servicios de información especializados, como: Vista gráfica de la información por temas generales. Información detallada sobre la cartografía disponible a través de búsquedas en los metadatos. Descarga de información en un formato compatible (shapefile) La información cartográfica es administrada por la Subdirección...
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The Sevilleta LTER supports a long-term, integrated, interdisciplinary research program addressing key hypotheses on pattern and process in aridland ecosystems. Sevilleta LTER research includes studies in desert grassland and shrubland communities, and riparian and mountain forests emphasizing pulse driven processes in space and time. Key drivers (e.g., climate, fire, water, resource availability) govern dynamics in each landscape component. Our focus on how biotic and abiotic drivers affect spatial and temporal dynamics of aridland ecosystems allows us to conduct long-term research that addresses important basic theories and yet has significant relevance to regional, national and international priorities. The...
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LandScope America—a collaborative project of NatureServe and the National Geographic Society—is a new online resource for the land-protection community and the public. By bringing together maps, data, photos, and stories about America’s natural places and open spaces, our goal is to inform and inspire conservation of our lands and waters.
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Selected GIS datasets for the Southwestern Region are available for download from this page. Use of most of these files requires GIS software such as ArcGIS, ArcView, ArcInfo or ArcExplorer. Most of these datasets are provided in ArcView shapefile (shp) format. ArcExplorer, a free, basic GIS software package available from ESRI will read the data in shapefile format (ESRI and the ESRI Logo are licensed trademarks of Environmental Systems Research Institute, Inc.). Some datasets will also have related tables that can be used with the geographic data. Tabular data will be in Microsoft Excel format. All files have been compressed with zip and can be uncompressed with programs such as WinZip. Be aware that some of the...
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The Southwest Regional Gap Analysis Project (SWReGAP) is an update of the Gap Analysis Program’s mapping and assessment of biodiversity for the five-state region encompassing Arizona, Colorado, Nevada, New Mexico, and Utah. It is a multi-institutional cooperative effort coordinated by the U.S. Geological Survey Gap Analysis Program. The primary objective of the update is to use a coordinated mapping approach to create detailed, seamless GIS maps of land cover, all native terrestrial vertebrate species, land stewardship, and management status, and to analyze this information to identify those biotic elements that are underrepresented on lands managed for their long term conservation or are “gaps.”
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The Sevilleta LTER supports a long-term, integrated, interdisciplinary research program addressing key hypotheses on pattern and process in aridland ecosystems. Sevilleta LTER research includes studies in desert grassland and shrubland communities, and riparian and mountain forests emphasizing pulse driven processes in space and time. Key drivers (e.g., climate, fire, water, resource availability) govern dynamics in each landscape component. Our focus on how biotic and abiotic drivers affect spatial and temporal dynamics of aridland ecosystems allows us to conduct long-term research that addresses important basic theories and yet has significant relevance to regional, national and international priorities. The...
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Grasslands of the Sky Islands region once covered over 13 million acres in southeastern Arizona and adjacent portions of New Mexico, Sonora, and Chihuahua. Attempts to evaluate current ecological conditions suggest that approximately two thirds of these remain as intact or restorable grassland habitat. These grasslands provide watershed services such as flood control and aquifer recharge across the region, and continue to support dozens of species of concern. Prioritizing conservation interventions for these remaining grassland blocks has been challenging. Reliable data on condition and conservation value of grasslands in the region have not been systematically summarized. State and national boundaries further complicate...
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The Pacific Southwest Region has geospatial datasets available for download from this website. These datasets are zipped personal or file geodatabases* created using ESRI ArcGis 10.0 software. Additional descriptive information as well as data steward contact information, for each geodatabase, can be found under the metadata link. These metadata files meet the Federal Geospatial Data Committee standards for structure and content.
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Our mission is to develop and maintain a cost-effective, central information source and inventory of the locations, biology, and status of all threatened, endangered, rare, and at-risk plants and animals in Nevada. We use the best available biological data to continually evaluate conservation priorities for over 700 native animals, plants, and vegetation types, focusing on those that are at greatest risk of extinction or serious decline. As a non-regulatory, independent resource for scientifically objective data, environmental review, and technical assistance and expertise, we support the needs of diverse planning, conservation management, research, education, and economic development activities in Nevada. The...
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Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987).
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El Programa de Ordenamiento Ecológico General del Territorio (POEGT) es un instrumento de política pública sustentado en la Ley General del Equilibrio Ecológico y la protección Ambiental (LGEEPA) y en su Reglamento en materia de Ordenamiento Ecológico. Es de observancia obligatoria en todo el territorio nacional y tiene como propósito vincular las acciones y programas de la Administración Pública Federal que deberán observar la variable ambiental en términos de la Ley de Planeación. Al Gobierno Federal, a través de la SEMARNAT, le corresponde establecer las bases para que las dependencias y entidades de la APF formulen e instrumenten sus programas sectoriales con base en la aptitud territorial, las tendencias de...
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In response to concerns about rangeland fragmentation associated with exurban development, ranching families, agency representatives, and conservation groups have organized to address management concerns through the Malpai Borderlands Group (see: http://www.malpaiborderlandsgroup.org). This group promotes large acreage conservation easements throughout the region as means to promote rangeland connectivity. Shrub encroachment and long-term loss of grass productivity are primary natural resource concerns. Fire, which is facilitated in areas free of exurban development, is a key conservation practice. Additional practices include mechanical brush management, prescribed grazing, and erosion control structures. The conservation...


map background search result map search result map Aquatic Ecoregions of the Conterminous United States Desert Renewable Energy Conservation Plan LandScope America Extent and Condition of Grasslands in Arizona, Northern Mexico, and Southwestern New Mexico Southwest Regional Gap Analysis Project Malpai Borderlands Portal Natural Resource Condition Assessments Sevilleta GIS Vector Datasets Sevilleta LTER Status and Distribution of Chihuahuan Desert Grasslands in the United States and Mexico Sustaining the Grassland Sea Nevada Natural Heritage Program Managing Changing Landscapes in the Southwestern United States Pacific Northwest Terrestrial Local Landscape Permeability Portal de Geoinformación Programa de Ordenamiento Ecológico General del Territorio (POEGT) Espacio Digital Geográfico (ESDIG) USDA Forest Service Southwestern Region GIS Datasets USDA Forest Service Pacific Southwest Region Geospatial Data Summary and Initial Evaluation of Enduring Features Information for the Conterminous USA, with Evaluation of Potential Use for Ecoregion Assessment Sevilleta LTER Sustaining the Grassland Sea Desert Renewable Energy Conservation Plan Extent and Condition of Grasslands in Arizona, Northern Mexico, and Southwestern New Mexico Nevada Natural Heritage Program USDA Forest Service Southwestern Region GIS Datasets USDA Forest Service Pacific Southwest Region Geospatial Data Managing Changing Landscapes in the Southwestern United States Status and Distribution of Chihuahuan Desert Grasslands in the United States and Mexico Southwest Regional Gap Analysis Project Pacific Northwest Terrestrial Local Landscape Permeability Summary and Initial Evaluation of Enduring Features Information for the Conterminous USA, with Evaluation of Potential Use for Ecoregion Assessment Portal de Geoinformación Programa de Ordenamiento Ecológico General del Territorio (POEGT) Espacio Digital Geográfico (ESDIG) Aquatic Ecoregions of the Conterminous United States LandScope America Sevilleta GIS Vector Datasets Natural Resource Condition Assessments