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Status and Distribution of Chihuahuan Desert Grasslands in the United States and Mexico 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... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: English, Madrean, Spanish, agriculture, assessment, All tags... biodiversity, bird, climate, connectivity, desertification, ecoregion, endangered, fire, grazing, invertebrate, mammal, map, ownership, plant, priority, protected area, rare, reptile, scrub, shrub, threat, vegetation, wildlife, Fewer tags Extent and Condition of Grasslands in Arizona, Northern Mexico, and Southwestern New Mexico 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. Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: English, GIS, Madrean, US, assessment, All tags... biodiversity, ecoregion, erosion, fire, grassland, grazing, management, plant, priority, restoration, shrub, vegetation, Fewer tags Managing Changing Landscapes in the Southwestern United States 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... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chihuahuan Desert, English, Madrean, Mojave Desert, Sonoran Desert, All tags... US, assessment, biodiversity, bird, climate, ecoregion, endangered, grassland, groundwater, mammal, management, map, model, monitoring, ownership, plant, priority, protected area, rare, research, resilience, restoration, riparian, river, shrub, stream, threat, threatened, vulnerability, water, watershed, wetland, wildlife, Fewer tags Sustaining the Grassland Sea 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... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chihuahuan Desert, English, Madrean, Mexico, US, All tags... agriculture, assessment, bird, climate, climate, connectivity, development, ecoregion, endangered, erosion, fire, grassland, grazing, groundwater, invasive, land cover, mammal, management, map, mining, model, monitoring, ownership, plan, plant, priority, protected area, rare, reptile, restoration, riparian, scrub, shrub, stream, threat, threatened, vegetation, vulnerability, water, watershed, wetland, wildlife, Fewer tags Sacaton Riparian Grasslands Riparian grasslands dominated by big sacaton (Sporobolus wrightii) once covered floodplains across the southwest, but have been reduced to some 5% of their historical extent. Sacaton stands that remain provide key resources for watershed function, wildlife, and livestock—yet may need special management to sustain these benefits. This report describes mapping methods and management recommendations that can be applied to riparian grasslands throughout the region. By examining sacaton grasslands in the Las Cienegas National Conservation Area, this project also refines methods for evaluating ecological condition, and provides managers at this site with detailed maps of both high-quality habitat and restoration needs. Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: English, Madrean, US, agriculture, assessment, All tags... bird, erosion, fire, grassland, grazing, invasive, inventory, land cover, management, map, model, monitoring, plant, remote sensing, research, resilience, restoration, riparian, river, soil, stream, threat, vegetation, water, watershed, wetland, wildlife, Fewer tags Report, Inventory and Assessment Protocols, Adaptation Plan, and Presentation for: Springs in the Sky Island Region: Inventory, Assessment, and Management Planning Project Sky Island Alliance (SIA) is a non-governmental organizational that works to protect and restore the rich natural heritage of native species and habitats in the Sky Island Region. 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. Because of our long-standing collaborative relationships with land managers and our large corps of skilled volunteers, we were in a unique position to spearhead this project.SIA initiated this springs inventory, assessment and management planning project to develop baseline information on springs in the Sky Island... Categories: Data, Publication; Types: ArcGIS REST Map Service, Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2011, AZ-02, AZ-03, Arizona, Conservation NGOs, All tags... Data Acquisition and Development, Data Management and Integration, Data.gov Desert LCC, Datasets/Database, Decision Support, Document, EARTH SCIENCE, EARTH SCIENCE, FLUVIAL LANDFORMS, FLUVIAL LANDFORMS, Federal resource managers, GEOMORPHIC LANDFORMS/PROCESSES, GEOMORPHIC LANDFORMS/PROCESSES, LAND SURFACE, LAND SURFACE, LCC Network Science Catalog, Map, Policy makers & regulators, Publication, Regional & county planners, Report, Report, SPRING, SPRING, Sky Island Region, Sky Islands Region, Transboundary Madrean Watersheds Pilot Area, United States, assessment, assessments, biota, completed, management, presentation, product, seeps and springs, volunteers, Fewer tags Climate Change Vulnerability and Adaptation Strategies for Natural Communities NatureServe worked with several federal, state, and NGO partners in the United States and Mexico to conduct a climate change vulnerability assessment of major natural community types found within the Mojave and Sonoran Deserts. The project focused on ten major upland, riparian, and aquatic community types, including pinyon-juniper woodlands, Joshua tree-blackbrush scrub, creosote-bursage scrub, salt desert scrub, Paloverde-mixed cacti scrub, semi-desert grassland, desert riparian and stream, riparian mesquite bosque, and desert springs. This effort piloted a new Habitat Climate Change Vulnerability Index (HCCVI) approach being developed by NatureServe, as a companion to an existing index for species. The project... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, BMP, Baja California, California, English, All tags... GIS, Mexico, Nevada, OHV, Sonora, US, Utah, agriculture, assessment, biodiversity, bird, climate, connectivity, contamination, development, ecoregion, energy, erosion, fire, fish, grassland, grazing, groundwater, invasive, invertebrate, mammal, management, map, mining, model, monitoring, plan, plant, priority, protected area, rare, recreation, renewable, reptile, research, resilience, restoration, riparian, river, road, scrub, shrub, soil, spring, stream, threat, vegetation, water, watershed, wildlife, Fewer tags Mine claim activity on Federal lands for the period 1976 through 2010 Several statistical compilations of mining claim activity on Federal land derived from the Bureau of Land Management's LR2000 database have previously been published by the U.S Geological Survey (USGS). The work in the 1990s did not include Arkansas or Florida. None of the previous reports included Alaska because it is stored in a separate database (Alaska Land Information System) and is in a different format. This report includes data for all states for which there are Federal mining claim records, beginning in 1976 and continuing to 2010, except Alaska, which only had data to 2007. The statistics compiled from the databases are counts of the number of active mining claims in a section of land each year from 1976... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: English, GIS, US, assessment, map, All tags... mining, threat, Fewer tags Assessment of Grassland Ecosystem Conditions in the Southwestern United States: Wildlife and Fish, Volume 2 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... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: BMP, Chihuahuan Desert, English, Sonoran Desert, agriculture, All tags... amphibian, assessment, biodiversity, bird, climate, condition, connectivity, contamination, development, endangered, erosion, fire, fish, grassland, grazing, groundwater, invasive, invertebrate, land cover, mammal, management, map, mining, monitoring, ownership, plan, priority, program, protected area, rare, recreation, reptile, research, restoration, riparian, river, road, scrub, shrub, soil, spring, stream, terrestrial, threat, threatened, vegetation, vulnerability, water, watershed, wetland, wildlife, Fewer tags Climate Change in Grasslands, Shrublands, and Deserts of the Interior American West Recent research and species distribution modeling predict large changes in the distributions of species and vegetation types in the western interior of the United States in response to climate change. This volume reviews existing climate models that predict species and vegetation changes in the western United States, and it synthesizes knowledge about climate change impacts on the native fauna and flora of grasslands, shrublands and deserts of the interior American West. Species’ responses will depend not only on their physiological tolerances but also on their phenology, establishment properties, biotic interactions, and capacity to evolve and migrate. The volume is divided into eight chapters that cover the topics... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: adaptation, assessment, climate, grassland, management, All tags... shrub, vegetation, vulnerability, wildlife, Fewer tags A Linkage Network for the California Deserts The rapidly increasing demands being placed on our deserts points to the urgent need for a connectivity assessment that spans multiple jurisdictional boundaries and promotes the partnerships needed to implement a regional conservation strategy for this diverse and striking landscape. The vast scale of renewable energy developments proposed in the California deserts are likely to impact habitat connectivity, alter essential ecosystem functions, and eliminate opportunities for species to shift their ranges in response to climate change. The potential impacts of energy development on our existing public lands, specifically to wildlife and their ability to move across the landscape, are enormous. The primary goal of... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: BMP, California, GIS, OHV, assessment, All tags... biodiversity, climate, connectivity, development, endangered, energy, erosion, fire, grassland, grazing, groundwater, invasive, land cover, management, map, mining, model, ownership, plan, priority, protected area, rare, renewable, restoration, riparian, river, road, scrub, shrub, soil, spring, stream, threatened, vegetation, water, watershed, wetland, wildlife, Fewer tags