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81 Titles Match Your Query
Showing 1 through 50 of 81 Next
1. 1:250,000 Scale Quadrangles of Land Use/Land Cover GIRAS Spatial Data in the Conterminous U.S. [EPA_GIRAS]
This is land use/land cover digital data collected by USGS and converted to ARC/INFO by the EPA. This data is useful for environmental assessment of land use patterns with ...


2. A New High-Resolution National Map of Vegetation Ecoregions Produced Empirically Using Multivariate Spatial Clustering [ORNL_MGC]
A parallel supercomputer was used to divide the conterminous 48 states of the United States into 1000, 2000, 3000, 5000, and 7000 ecoregions with relatively homogeneous values of elevation, edaphic, ...


3. Africa Olson World Ecosystems [NBId0022_101]
New-ID: NBI22 OLSON WORLD ECOSYSTEMS DATASET DOCUMENTATION File: AFWE20.IMG Code: 100032-001 Raster Member This IMG file is in IDRISI format Olson World Ecosystems data base is part of Global ...


4. Africa Zobler Soils (Texture Classes, Slope, Phases), 1987 [NBId0223_101]
The Zobler soil datasets were developed by the World Data Center-A (WDC-A) for Solid Earth Geophysics, operated by the U.S. National Geophysical Data Center (NGDC). The data set is part of the World ...


5. Agricultural Online Access (AGRICOLA) Database [USDA_AGRICOLA]
AGRICOLA (AGRICultural OnLine Access) is a bibliographic database of citations to the agricultural literature created by the National Agricultural Library and its cooperators. Production ...


6. BIOME 6000: Reconstructed Biomes from Palaeoecological Data [NOAA_NCDC_PALEO_2001-046]
The Global Palaeovegetation Mapping (BIOME 6000) Project is a community-wide collaboration inaugurated in 1994 under the joint auspices of four of the elements of the International Geosphere-Biosphere ...


7. Baringo (Kenya) Pilot Study for Desertification Assessment and Mapping [NBId0169_101]
The purpose of the Kenya Pilot Study was to evaluate the FAO/UNEP Provisional Methodology for Assessment and Mapping of Desertification, and to recommend an effective, simple methodology for desertification ...


8. Biogeographical regions, Europe 2001 [EEA_BIOGEOG_REGION]
The Biogeographical regions of Europe dataset contains the official delineations used in the Habitats Directive (92/43/EEC) and for the EMERALD Network set up under the Convention on the Conservation ...


9. Climate History of the Mojave Desert Region, 1892 - 1996 [USGS_MOJAVE_CLIM]
The Climate History of the Mojava Desert Region provides an overview of regional climate variations including precipitation and temperature information. To evaluate climate variation, weather data ...


10. Climate Quality Index [EEA_CLIMATE_INDEX]
Structural analysis 1961-1990. Climate data in DISMED will be based on the aridity index, which requires a harmonized way of computing evapotransipration, that at present differs among ...


11. Collection of endoliths from Battleship Promontory, Convoy Range [K047_2000_2001_NZ_2]
Endoliths were collected from the Battleship Promontory, Allan Hills area. Endoliths were search for with a geo pick and recorded notes from each collection site was recorded. 35mm pictures and digital ...


12. Desert Landforms and Surface Processes in the Mojave National Preserve and Vicinity [USGS_OFR_2004_1007]
Landscape features in the Mojave National Preserve are a product of ongoing processes involving tectonic forces, weathering, and erosion. Long-term climatic cycles (wet and dry periods) have left ...


13. Desertification Atlas (Africa) Maps 1-17 [NBId0270_101]
INTRODUCTION Desertification/Land Degradation - The Background More than 6.1 billion hectares, over one third of the Earth's land area, is dryland. Nearly one billion hectares ...


14. Desertification Atlas (Global) Maps 1-20 [NBId0288_101]
INTRODUCTION Desertification/Land Degradation - The Background More than 6.1 billion hectares, over one third of the Earth's land area, is dryland. Nearly one billion hectares ...


15. Devils Tower National Monument Field Plots Data Base for Vegetation Mapping [usgs_nps_devilstower]
Vegetation field plots at Devils Tower NM were visited, described, and documented in a digital database. The database consists of 2 parts - (1) Physical Descriptive Data, and (2) Species Listings. ...


16. Devils Tower National Monument Spatial Vegetation Data:Cover Type/Association Level of the National Vegetation Classification System [usgs_nps_devilstowerspatial]
The National Park Service (NPS), in conjunction with the Biological Resources Division BRD) of the U.S. Geological Survey (USGS), has implemented a program to "develop a uniform hierarchical vegetation ...


17. Digital Data Sets Describing Water Use, Toxic Chemical Releases, Metropolitan Areas, and Population Density of the Conterminous United States [USGS_OFR_99-78]
This report contains digital data sets describing water use, toxic chemical releases, metropolitan areas, and population density of the conterminous United States. The data source for the water-use ...


18. Digital Map of European Ecological Regions [EEA_DMEER]
The Digital Map of European Ecological Regions DMEER- delineates and describes ecological distinct areas in Europe, on the basis of updated knowledge of climatic, topographic and geobotanical European ...


19. Direct Molecular Analysis of Antarctica and Southern Ocean Microbial Communities [ASAC_867]
Metadata record for data from ASAC Project 867 See the link below for public details on this project. Dataset Sea-ice bacteria data are associated with ASAC_1012 and included there Data for bacteria ...


20. Drylands - Percent of Total Area [geodata_1501]
The concept of drylands continues to be debated. In this data set, drylands are taken as areas with a potential hazard of desertification. The hyperarid zone is not subject to desertification and ...


21. ESRI Data and Maps [ESRI_DM]
ESRI Data & Maps is preconfigured to work with ESRI's software products and is also bundled with ArcGIS software and solutions products such as ArcGIS Business ...


22. EarthTrends: The Environmental Information Portal [WRI_EarthTrends]
EarthTrends is an online collection of information regarding the environmental, social, and economic trends that shape our world. Committed to the principle that accurate information ...


23. Ecoregions of the United States and the World USDA/FS/IMI [USDA_ECOREGIONS]
"Description of the Ecoregions of the United States" is a volume that was originally published in 1978 to provide a general description of the ecosystem geography of the Nation as shown on the 1976 ...


24. Effects of Military Training and Fire in the Snake River Birds of Prey National Conservation Area [usgsbrdfresc0003]
The unique characteristics of the Snake River Canyon and the adjoining upland desert south of Boise, Idaho, have been recognized since the 1940s (Olendorff and Kochert 1977). An area associated with ...


25. European Land Surface Conditions 6K Reconstruction [NOAA_NCDC_PALEO_96-022]
These biomes are interpolated from 2014 pollen surface samples, for the Present, and from 343 pollen sites for 6000 yr BP. The coverage is relatively well balanced for the modern data, but the region ...


26. GIS analysis, biological samples (soil microorganism, invertebrate and plant), automatic weather station data and vegetation and invertebrate surveys to determine the terrestrial biocomplexity of the McMurdo Dry Valleys [K020_2008_2009_NZ_1]
The McMurdo Dry Valleys are the largest area of snow-free land in Antarctica. Managers ability to promote and protect these areas would benefit if we knew the biodiversity present and what controls ...


27. Geographic Information Systems (GIS) Compilation of Geophysical, Geologic, and Tectonic Data for the Circum-North Pacific [USGS_OFR_99-422]
The accompanying directory structure contains a Geographic Information Systems (GIS) compilation of geophysical, geological, and tectonic data for the Circum-North Pacific. This area includes ...


28. Geophysical Terranes of the Great Basin and Parts of Surrounding Provinces [USGS_OFR_2004_1008]
This study of geophysical terranes within and surrounding the Great Basin of the western United States integrates geophysical and geologic data to provide new insights on basement composition and ...


29. Global Land Use Database [SAGE_IAMDATA]
The land use data sets developed at SAGE have a native resolution of 0.5 degree in latitude x longitude. Here users can choose to interpolate their variable of choice into any resolution, including ...


30. Historical Land-Cover Change and Land-Use Conversions Global Dataset [gov.noaa.ncdc.C00814]
A set of three estimates of land-cover types and annual transformations of land use are provided on a global 0.5 x0.5 degree lat/lon grid at annual time steps. The longest of the three estimates spans ...


31. History Database of the Global Environment - HYDE [HYDE]   CHILD METADATA
The first version of this data base originally was set up for testing and validation of the so-called Integrated Model of the Greenhouse Effect (the IMAGE model; see Alcamo, ...


32. Hydrologic Margins Research Project, 2004-2008, McMurdo Dry Valleys [B268_hydrol_margins_dvs_proj]
In this field research project, we investigated the soil hydrology, biogeochemistry, and microbial ecology along hydrologic gradients in soils adjacent to streams and lakes in Wright and Taylor Valleys. ...


33. IAI-Data-CRN_012_Austin_BIOD-MESOF: Relationship between above- and belowground diversity in an undisturbed temperate forest in southern Argentina (Patagonia) [IAIDIS762]   PARENT METADATA
Recent interest in the relationship between biodiversity and ecosystem functioning has resulted in a multitude of large-scale manipulative experiments examining the effect of aboveground diversity ...


34. IAI-Data-CRN_012_Austin_GRASS-DEC: Relative importance of dominant grass species in a water-limited ecosystem in the Patagonian steppe [IAIDIS758]   PARENT METADATA
Changes in biodiversity due to human impact of domestic grazers are occurring in many parts of the world, and the net effect of this change could have detrimental effects on ecosystem functioning. ...


35. IAI-Data-CRN_012_Austin_POSIT-DEC: The importance of position of senescent material on decomposition and nutrient release [IAIDIS760]   PARENT METADATA
The importance of standing dead material, including coarse woody debris in forests, has been shown to be important in the regeneration of forests, and critical for maintaining a variety of ecosystem ...


36. IAI-Data-CRN_012_Covalschi_hs: Regional and local controls of vegetation spatial-heterogeneity in the Patagonian steppe [IAIDIS742]   PARENT METADATA
The objective of this study was to determine regional and local controls of vegetation spatial-heterogeneity in the Patagonian steppe. We considered two possible factors, rainfall and ovine herbivory. ...


37. IAI-Data-CRN_012_FLOMBAUM_COV-BIOM: Estimate of aboveground net primary production and biomass measuring vegetation cover [IAIDIS726]   PARENT METADATA
Our objective was to develop a fast and nondestructive method to estimate aboveground net primary production and biomass measuring vegetation cover. We double sampled vegetation cover and biomass ...


38. IAI-Data-CRN_012_Yahdjian_drought: Drought effects on ecosystem functioning in a semiarid grass-shrub steppe South of Argentina [IAIDIS744]   PARENT METADATA
We studied drought effects on ecosystem functioning in a semiarid grass-shrub steppe South of Argentina. We designed a 2-year rainfall manipulation experiment where we decreased water input with rainout ...


39. IAI-FinalReport_ISP1_033: Vegetation History From Rodent Middens In Mid-Latitude American Deserts [IAIDIS444]
This dataset refers to Final Report of the ISP round I project number 033, which has the name "VEGETATION HISTORY FROM RODENT MIDDENS IN MID-LATITUDE AMERICAN DESERTS ". Arid lands play key roles ...


40. IAI-Science-ISP-2-032-Ecosystem Processes: Overgrazing, Grass Transpiration, and Soil-Water Balance [IAIDIS480]   PARENT METADATA
This dataset refers to Final Report of the ISP round 2 project number 032, which has the name "DESERTIFICATION AND ECOSYSTEM PROCESSES: OVERGRAZING, GRASS TRANSPIRATION, AND SOIL-WATER BALANCE". Rangelands ...


41. IMAGEAntarctica Database - A Catalogue of Antarctic Images by the Australian Antarctic Division [DB_IMAGEAntarctica]
The IMAGEAntarctica catalogue contains records of images held in the Australian Antarctic Division's Multimedia Image Library. The material predominantly depicts Australia's presence and activities ...


42. Laikipia (Kenya) Research Programme GIS Datasets [NBId0177_101]
Laikipia Research Programme GIS Datasets are divided into two main different study area scales: the Regional level [Laikipia district, the Ewaso Ng'iro Basin] and the Local level [Land parcels-farm(s), ...


43. Last of the Wild Project, Version 1, 2002 (LWP-1): Last of the Wild Dataset (Geographic) [CIESIN_SEDAC_LWP_LW_GEOG]
The Last of the Wild Dataset of the Last of the Wild Project, Version 1, 2002 (LWP-1) is derived from the LWP-1 Human Footprint Dataset. The gridded data are classified according to their raster ...


44. Last of the Wild Project, Version 1, 2002 (LWP-1): Last of the Wild Dataset (IGHP) [CIESIN_SEDAC_LWP_LW_IGHP]
The Last of the Wild Dataset of the Last of the Wild Project, Version 1, 2002 (LWP-1) is derived from the LWP-1 Human Footprint Dataset. The gridded data are classified according to their raster value ...


45. Last of the Wild Project, Version 1, 2002 (LWP-1): Top One Percent Wild Areas Dataset (Geographic) [CIESIN_SEDAC_LWP_TOPWA_GEOG]
The Top One Percent Wild Areas Dataset of the Last of the Wild Project, Version 1, 2002 (LWP-1) is derived from the LWP-1 Human Footprint Dataset. The gridded data are classified according to their ...


46. Last of the Wild Project, Version 1, 2002 (LWP-1): Top One Percent Wild Areas Dataset (IGHP) [CIESIN_SEDAC_LWP_TOPWA_IGHP]
The Top One Percent Wild Areas Dataset of the Last of the Wild Project, Version 1, 2002 (LWP-1) is derived from the LWP-1 Human Footprint Dataset. The gridded data are classified according to their ...


47. Last of the Wild Project, Version 2, 2005 (LWP-2): Last of the Wild Dataset (Geographic) [CIESIN_SEDAC_LWP2_LW_GEOG]
The Last of the Wild Dataset of the Last of the Wild Project, Version 2, 2005 (LWP-2) is derived from the LWP-2 Human Footprint Dataset. The gridded data are classified according to their raster ...


48. Last of the Wild Project, Version 2, 2005 (LWP-2): Last of the Wild Dataset (IGHP) [CIESIN_SEDAC_LWP2_LW_IGHP]
The Last of the Wild Dataset of the Last of the Wild Project, Version 2, 2005 (LWP-2) is derived from the LWP-2 Human Footprint Dataset. The gridded data are classified according to their raster ...


49. Latitudinal Gradient Project - Australian contributions [LGP]
This record relates to the Australian component of the Latitudinal Gradient Project. The LGP is largely a New Zealand, US and Italian venture, but a small contribution has been made by Australian ...


50. Long-term Assessments of Golden Eagle Nesting Density and Productivity in the Snake River Birds of Prey National Conservation Area. [usgsbrdfresc0006]
The Snake River Birds of Prey National Conservation Area has undergone massive habitat changes since 1980. More than 50% of the shrub habitat has been lost due to wildfires, resulting in large stands ...


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