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This report is volume 2 of a two-volume ecological assessment of grassland ecosystems in the Southwestern United States. Broad-scale assessments are syntheses of current scientific knowledge, including a description of uncertainties and assumptions, to provide a characterization and comprehensive description of ecological, social, and economic components within an assessment area. Volume 1 of this assessment focused on the ecology, types, conditions, and management practices of Southwestern grasslands. Volume 2 (this volume) describes wildlife and fish species, their habitat requirements, and species-specific management concerns, in Southwestern grasslands. This assessment is regional in scale and pertains primarily...
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REAs synthesize the best available information about resource conditions and trends within an ecoregion. They highlight and map areas of high ecological value, including important wildlife habitats and corridors, and gauge their potential risks from climate change, wildfires, invasive species, energy development, and urban growth. REAs also map areas that have high energy development potential, and relatively low ecological value, which could be best-suited for siting future energy development. In addition, REAs establish landscape-scale baseline ecological data to gauge the effect and effectiveness of future management actions. The Sonoran Desert REA was initiated in July 2010. It has been completed and peer reviewed...
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Our Mission & History Volunteers in the Tumacacoris. Photo by Trevor Hare Sky Island Alliance is a science-based conservation organization. We are dedicated to the protection and restoration of the rich natural heritage of native species and habitats in the Sky Island region of the southwestern United States and northwestern Mexico. We work with volunteers, scientists, land owners, public officials, and government agencies to establish protected areas, restore healthy landscapes, and promote public appreciation of the region's unique biological diversity. Sky Island Alliance pioneered landscape-level conservation planning by integrating the science of conservation biology with grassroots organizing and on-the-ground...
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This dataset includes data on the growth, fecundity, and survival of Giant Gartersnakes (Thamnophis gigas) in the Sacramento Valley of California from 1995-2017. These data support the following publication: Rose, J.P., Ersan, J.S., Wylie, G.D., Casazza, M.L. and Halstead, B.J., 2019. Demographic factors affecting population growth in giant gartersnakes. The Journal of Wildlife Management, 83(7), pp.1540-1551.
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In addition to current distribution of each reptile species, this map shows their current and near-term status within the ecoregion. Current, long-term, and summary bioclimate data is also include for several of these reptile species. The input datasets used in the distribution model are also included. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential...
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Following an explosion at the Deepwater Horizon drilling rig on April 20, 2010, MC252 an estimated 3.19 million barrels of oil leaked into the Northern Gulf of Mexico over 87 days. The endangered Kemp's ridley sea turtle (Lepidochelys kempii [Lk]) has a long established record of using the area near the well as primary foraging grounds. Resulting short- and long-term negative impacts of the oil spill on sea turtles could induce changes in the health and fitness of the Lk population. MC252 oil is known to have entered the foraging areas. Consequently, stable carbon and nitrogen isotope signatures from MC252 oil should be reflected in the food web and in the tissues of organisms such as sea turtles. We measured carbon...
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In addition to current distribution of each reptile species, this map shows their current and near-term status within the ecoregion. Current, long-term, and summary bioclimate data is also include for several of these reptile species. The input datasets used in the distribution model are also included. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential...
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In addition to current distribution of each reptile species, this map shows their current and near-term status within the ecoregion. Current, long-term, and summary bioclimate data is also include for several of these reptile species. The input datasets used in the distribution model are also included. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential...
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This dataset includes data on the growth, fecundity, and survival of Giant Gartersnakes (Thamnophis gigas) in the Sacramento Valley of California from 1995-2017. In addition, the dataset includes R code to replicate the Integral Projection Model construction and analysis presented in the paper "Demographic drivers of population growth in a threatened snake" by Rose et al. published in Journal of Wildlife Management in 2019. These data support the following publication: Rose, J.P., Ersan, J.S., Wylie, G.D., Casazza, M.L. and Halstead, B.J., 2019. Demographic factors affecting population growth in giant gartersnakes. The Journal of Wildlife Management, 83(7), pp.1540-1551.
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This report is volume 1 of a two-volume ecological assessment of grassland ecosystems in the Southwestern United States. Broadscale assessments are syntheses of current scientific knowledge, including a description of uncertainties and assumptions, to provide a characterization and comprehensive description of ecological, social, and economic components within an assessment area. Volume 1 of this assessment focuses on the ecology, types, conditions, and management practices of Southwestern grasslands. The second volume, due to be published in 2005, describes wildlife and fish species, their habitat requirements, and species-specific management concerns, in Southwestern grasslands. This assessment is regional in...
NPS is transforming the way park resource information is managed and delivered to parks, partners, and the public. IRMA (Integrated Resource Management Applications) is the name given to the project that has guided this transformation, and to the web portal that is its end result. View or download the IRMA project brief (.pdf). IRMA is a portfolio of tools and applications, and the beginnings of a "one-stop" for data and information on park-related resources. From IRMA you can search for, view, and download documents, reports, publications, data sets, and park species lists. You can get information on park visitor numbers, park projects, and apply for a park research permit. Park staff can navigate to certain internal...
Categories: Data; Types: ArcGIS REST Map Service, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chihuahuan Desert, English, GIS, Madrean, Mojave Desert, All tags...
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This virtual flora and fauna was created to serve as a gateway for the environmental research community, as well as the general public, to access and contribute to a growing collection of specimen records and observations. These data represent the products of MABA research expeditions as well as historic data from herbaria, museum collections, and scientific literature. Sky Island Alliance's MABA project is a visionary initiative to catalog, protect, and restore one of the world's premier biodiversity hotspots - the Southwestern U.S. and Northwestern Mexico’s Madrean Sky Island region (Sonora, Arizona, Chihuahua, and New Mexico). MABA is committed to inventorying the wildlands and wildlife of these Sky Islands —...
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Heritage Data Management System - HDMS The HDMS is part of a global network of more than 80 Natural Heritage Programs and Conservation Data Centres. HDMS information is available so Arizonans can make prudent decisions weighing future development, economic growth, and environmental integrity. Using published and unpublished reports, data collected by cooperating agencies, review of scientific collections, collaboration with professionals and many other sources of information, HDMS identifies wildlife, plants and geographic areas of special concern in Arizona, and consolidates information about their status and distribution within the State. Learn more about Arizona HDMS. -On-line Environmental Review Tool (ERT)....
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The Solar Energy Environmental Mapper is an interactive web-based mapping tool providing access to information relevant to siting of utility-scale solar projects in the southwestern United States. Users can view map layers that were used to create the maps and conduct some analyses in the Solar Energy Development PEIS as well as map layers showing land use decisions associated with the Bureau of Land Management’s Solar Energy Program. The tool provides the ability to zoom and pan to areas of interest, and display and query data. The Solar Energy Environmental Mapper provides users with fast, easy access to a wide variety of spatial data through a Web browser, requiring only limited and generally quick data and software...
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This portal is a web mapping platform managed and curated by members of various programs and cooperator groups within the Pacific Southwest Region, U.S. Fish and Wildlife Service. It is designed to showcase spatial information for particular geographies, topics, projects and administrative offices. Various searchable topics and data layers presented on this site include subsets of the data available across the Data Basin system. Members and visitors can use this portal to use or share existing maps or create their own custom maps.
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Geographic Information Systems (GIS) provide the means for storing, querying, analyzing, correlating, modeling, and displaying digital cartographic data, remotely sensed imagery, and geographically referenced field survey and sampling data. In the business of managing public lands, the BLM collects and utilizes this data as it relates to or describes a piece of land and the resources on and under it. Data might be information about bird nesting sites or wild horse herd use areas. It might be legal land survey information or legal descriptions of land parcels. Real-time fire progression maps and maps-on-demand are two other customer products developed from this data. The common thread is that this information...
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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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Following an explosion at the Deepwater Horizon drilling rig on April 20, 2010, MC252 an estimated 3.19 million barrels of oil leaked into the Northern Gulf of Mexico over 87 days. The endangered Kemp's ridley sea turtle (Lepidochelys kempii [Lk]) has a long established record of using the area near the well as primary foraging grounds. Resulting short- and long-term negative impacts of the oil spill on sea turtles could induce changes in the health and fitness of the Lk population. MC252 oil is known to have entered the foraging areas. Consequently, stable carbon and nitrogen isotope signatures from MC252 oil should be reflected in the food web and in the tissues of organisms such as sea turtles. We measured carbon...
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In addition to current distribution of each reptile species, this map shows their current and near-term status within the ecoregion. Current, long-term, and summary bioclimate data is also include for several of these reptile species. The input datasets used in the distribution model are also included. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential...
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In addition to current distribution of each reptile species, this map shows their current and near-term status within the ecoregion. Current, long-term, and summary bioclimate data is also include for several of these reptile species. The input datasets used in the distribution model are also included. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential...


map background search result map search result map Sonoran Desert Rapid Ecoregional Assessment (REA) Madrean Archipelago Biodiversity Assessment (MABA) Project Integrated Resource Management Applications (IRMA) Sevilleta LTER Library Sky Island Alliance Solar Energy Environmental Mapper Assessment of Grassland Ecosystem Conditions in the Southwestern United States, Volume 1 Assessment of Grassland Ecosystem Conditions in the Southwestern United States: Wildlife and Fish, Volume 2 U.S. Fish & Wildlife Service Web Mapping Gateway, Pacific Southwest Region Bureau of Land Management Arizona Geospatial Data and Metadata Arizona's Natural Heritage Program Data tables in support of manuscript "​δ13C and δ15N in the endangered Kemp's ridley sea turtle lepidochelys kempii after the Deepwater Horizon oil spill" Stable C and N isotope values in Kemp's ridley sea turtle scutes in the northern Gulf of Mexico, 2010 to 2012 Code and data files to construct an Integral Projection Model for Giant Gartersnakes (Thamnophis gigas) in the Sacramento Valley, California, 1995-2017 BLM REA MBR 2010 Terrestrial Species Reptile Status - Mojave Desert Tortoise BLM REA MBR 2010 Terrestrial Species Reptile Status - Night Snake BLM REA MBR 2010 Terrestrial Species Reptile Status - Western Patch Nosed Snake BLM REA CBR 2010 Terrestrial Species Reptile Status - Night Snake BLM REA CBR 2010 Terrestrial Species Reptile Status - Western Patch Nosed Snake Data files Sevilleta LTER Library Code and data files to construct an Integral Projection Model for Giant Gartersnakes (Thamnophis gigas) in the Sacramento Valley, California, 1995-2017 Data files Stable C and N isotope values in Kemp's ridley sea turtle scutes in the northern Gulf of Mexico, 2010 to 2012 Data tables in support of manuscript "​δ13C and δ15N in the endangered Kemp's ridley sea turtle lepidochelys kempii after the Deepwater Horizon oil spill" Sky Island Alliance Madrean Archipelago Biodiversity Assessment (MABA) Project Sonoran Desert Rapid Ecoregional Assessment (REA) Bureau of Land Management Arizona Geospatial Data and Metadata Arizona's Natural Heritage Program BLM REA MBR 2010 Terrestrial Species Reptile Status - Mojave Desert Tortoise BLM REA MBR 2010 Terrestrial Species Reptile Status - Night Snake BLM REA MBR 2010 Terrestrial Species Reptile Status - Western Patch Nosed Snake U.S. Fish & Wildlife Service Web Mapping Gateway, Pacific Southwest Region Assessment of Grassland Ecosystem Conditions in the Southwestern United States, Volume 1 Assessment of Grassland Ecosystem Conditions in the Southwestern United States: Wildlife and Fish, Volume 2 Solar Energy Environmental Mapper BLM REA CBR 2010 Terrestrial Species Reptile Status - Night Snake BLM REA CBR 2010 Terrestrial Species Reptile Status - Western Patch Nosed Snake Integrated Resource Management Applications (IRMA)