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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...
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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Welcome to the Wind and Wildlife Landscape Assessment Tool (LAT), a collaboration organized by the American Wind Wildlife Institute (AWWI) and The Nature Conservancy (TNC). The LAT is designed as a landscape-level planning tool to identify sensitive wildlife habitat and areas that are likely to have low wildlife risk where wind energy development could be prioritized. Although the siting of individual wind energy projects will require on-the-ground surveys to verify data shown here, our hope is that this tool will provide stakeholders with information that facilitates the siting of wind energy in areas with minimal impacts to wildlife, as well as the development of conservation plans, monitoring plans and mitigation...
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A Vision for the Chihuahuan Desert The Chihuahuan Desert, shared by two nations, is one of the most biologically rich desert ecoregions in the world, alive with large mammals, birds, reptiles and an unmatched diversity of cactus species. The desert’s rivers, streams and springs are considered to be of global significance, home to fish species found nowhere else on earth. Our vision is a Chihuahuan Desert where governments, local communities, non-governmental organizations, academic institutions, landowners, and other stakeholders are working together to ensure that the richness and diversity of wildlife, habitats, natural communities, and ecological processes of the Chihuahuan Desert are conserved and, where necessary,...
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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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Congress passed the State Wildlife Grants program (SWG) in 2001 in recognition of the need for funding of wildlife diversity programs. Congress mandated each state and territory to develop a Comprehensive Wildlife Conservation Strategy (now named Wildlife Action Plans) by 2005 in order to continue to receive federal funds through the SWG program. Nevada’s Wildlife Action Plan (WAP) was completed and approved by the U.S. Fish and Wildlife Service (USFWS) in 2005. Nevada’s WAP has served as a plan of action for state wildlife conservation and funding by targeting the species of greatest conservation need and the key habitats on which they depend. To date, NDOW has received over $11 million in federal dollars through...
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La deforestación, sobreexplotación del agua superficial y subterránea, así como de los recursos naturales en general, la contaminación, la introducción de especies invasoras y el cambio climático son causales directas de pérdida de biodiversidad que responden a factores indirectos como los demográficos, las políticas públicas inadecuadas y los desarrollos tecnológicos. El presente Plan de Acción responde a la necesidad de contar con un marco de referencia para el manejo adecuado de las especies prioritarias presentes en el estado de Chihuahua, que permita la toma de decisiones, así como el desarrollo y ejecución de políticas públicas adecuadas, para proteger, conservar y aprovechar la biodiversidad estatal de manera...
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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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This dataset is a component of a complete package of products from the Connect the Connecticut project. Connect the Connecticut is a collaborative effort to identify shared priorities for conserving the Connecticut River Watershed for future generations, considering the value of fish and wildlife species and the natural ecosystems they inhabit. Click here to download the full data package, including all documentation.This dataset represents the sea level rise metric based on a model developed by Rob Theiler and associates at USGS Woods Hole, which is a measure of the probability of a focal cell being unable to adapt to predicted inundation by sea level rise. Specifically, whether a site gets inundated by salt water...
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This dataset is a component of a complete package of products from the Connect the Connecticut project. Connect the Connecticut is a collaborative effort to identify shared priorities for conserving the Connecticut River Watershed for future generations, considering the value of fish and wildlife species and the natural ecosystems they inhabit. Click here to download the full data package, including all documentation.This dataset represents the climate stress metric, which is a measure of the estimated climate stress that may be exerted on a focal cell in 2080. Specifically, the climate stress metric reflects the 2080 departure from the current climate conditions that a cell may be exposed to in relation to its...
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¿Por qué es importante para usted como ganadero preocuparse por las aves del pastizal? En términos prácticos, las aves del pastizal son indicadoras de la condición de sus potreros, ya que la abundancia de aves de pastizal le dice a usted que sus potreros están en buena condición para sostener su actividad productiva. Además, las aves del pastizal cumplen funciones que ayudan a mantener al ecosistema del pastizal. Aparte de los beneficios que proveen las aves del pastizal, éstas son parte de nuestro patrimonio natural y cultural que enriquecen la vida diaria de los habitantes de los pastizales mexicanos. Por este motivo, hemos elaborado este manual que contiene recomendaciones generales de manejo de pastizales para...
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El límite fronterizo entre México y los Estados Unidos actualmente presenta a lo largo del área geográfica barreras (para vehículos y peatones), como medida de seguridad para disminuir la entrada de migrantes indocumentados y estupefacientes. El muro fronterizo ha fragmentado los ecosistemas presentes en la región, pudiendo influir en la pérdida de la conectividad de poblaciones de fauna silvestre entre ambos países. Ante tal situación nuestro objetivo fue identificar las áreas más importantes de conectividad para 19 especies que se distribuyen en la franja fronteriza dentro de los estados de Sonora y Chihuahua y los principales impactos que puede tener la estructura asociada a la frontera. Los sitios de conectividad...
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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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La regionalización implica la división de un territorio en áreas menores con características comunes y representa una herramienta metodológica básica en la planeación ambiental, pues permite el conocimiento de los recursos para su manejo adecuado. La importancia de regionalizaciones de tipo ambiental estriba en que se consideran análisis basados en ecosistemas, cuyo objetivo principal es incluir toda la heterogeneidad ecológica que prevalece dentro de un determinado espacio geográfico para, así, proteger hábitats y áreas con funciones ecológicas vitales para la biodiversidad, las cuales no hubiesen sido consideradas con otro tipo de análisis. En México han habido diferentes experiencias al respecto, dentro de las...
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This map shows the grasslands priority conservation areas (GPCAs) within North America's Central Grasslands, an ecosystem considered among the most threatened in the continent and the world. GPCAs are defined as areas of tri-national importance due to their ecological significance and threatened nature, which are in need of international cooperation for their successful conservation. In 2004, 55 GPCAs were identified by biodiversity experts through research and a workshop co-organized by the CEC. Details of the initial selection process can be found in North American Grassland Priority Conservation Areas: Technical Report and Documentation, and the CEC publication Grasslands: Toward a North American Conservation...
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SUMMARY This publication is intended to provide a framework for tri- and binational cooperation between Canada, the United States and Mexico that promotes the conservation and sustainable use of central North American grasslands. It does so by providing a trinational overview of information about the central North American grasslands and the conservation issues faced in the region. This contextual framework seeks to move the conservation agenda forward to the eventual development of a conservation strategy for the grasslands of North America that will integrate, build upon and enhance individual initiatives found in the three countries of North America that could complement each other. RESUMEN El propósito de...
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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.
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CropScape is a geospatial data service which offers advanced tools such as interactive visualization, web-based data dissemination and geospatial queries and automated data delivery to systems such as Google Earth.
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TNRIS was established by the Legislature in 1968 as the Texas Water-Oriented Data Bank. In 1972, after four years of growth and diversification, it was renamed the Texas Natural Resources Information System. TNRIS is defined as the following in Sec. 16.021 of the Texas Water Code: Sec. 16.021. TEXAS NATURAL RESOURCES INFORMATION SYSTEM. (a) The executive administrator shall establish the Texas Natural Resources Information System (TNRIS) to serve Texas agencies and citizens as a centralized clearinghouse and referral center for: natural resource data; census data; data related to emergency management; and other socioeconomic data. Who we are Our staff includes individuals trained in the natural, computer and...


map background search result map search result map LandScope America Wind and Wildlife Assessment Tool Priority Conservation Areas: Grasslands, 2010 Natural Resource Condition Assessments Status and Distribution of Chihuahuan Desert Grasslands in the United States and Mexico Sustaining the Grassland Sea Managing Changing Landscapes in the Southwestern United States Sacaton Riparian Grasslands CropScape - Cropland Data Layer Programa de Ordenamiento Ecológico General del Territorio (POEGT) Áreas de Interés Binacional para Mantener la Conectividad de Poblaciones de Fauna Silvestre Compartida con Potenciales Afectaciones por la Construcción del Muro Fronterizo Nevada Wildlife Action Plan Climate Stress, CT River Watershed Sea Level Rise, CT River Watershed Regionalización Texas Natural Resources Information System (TNRIS) Ecoregion-Based Conservation in the Chihuahuan Desert Grasslands: Toward a North American Conservation Strategy/ Pastizales: Hacia una estrategia de conservación para los pastizales de América del Norte Plan de Acción para la Conservación y Recuperación de Especies de Fauna Silvestre Prioritaria en el Estado de Chihuahua Compartiendo sus agostaderos con las aves de pastizal Sacaton Riparian Grasslands Áreas de Interés Binacional para Mantener la Conectividad de Poblaciones de Fauna Silvestre Compartida con Potenciales Afectaciones por la Construcción del Muro Fronterizo Sustaining the Grassland Sea Climate Stress, CT River Watershed Sea Level Rise, CT River Watershed Plan de Acción para la Conservación y Recuperación de Especies de Fauna Silvestre Prioritaria en el Estado de Chihuahua Nevada Wildlife Action Plan Compartiendo sus agostaderos con las aves de pastizal Managing Changing Landscapes in the Southwestern United States Texas Natural Resources Information System (TNRIS) Ecoregion-Based Conservation in the Chihuahuan Desert Status and Distribution of Chihuahuan Desert Grasslands in the United States and Mexico Programa de Ordenamiento Ecológico General del Territorio (POEGT) Regionalización Priority Conservation Areas: Grasslands, 2010 LandScope America Wind and Wildlife Assessment Tool CropScape - Cropland Data Layer Natural Resource Condition Assessments Grasslands: Toward a North American Conservation Strategy/ Pastizales: Hacia una estrategia de conservación para los pastizales de América del Norte