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51. 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 ...


52. 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 ...


53. 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 ...


54. Digital Watershed Atlas of the World [Watershed_EAtlas]
The Digital Watershed Atlas of the World provides maps of land cover, population density and biodiversity for 154 basins and sub-basins around the world. It lists indicators and variables ...


55. History Database of the Global Environment - HYDE [HYDE]   CHILD DIFs
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, ...


56. 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 ...


57. 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 ...


58. U.S. Long-Term Ecological Research (LTER) Network [LTER]
The Long Term Ecological Research (LTER) Network is a collaborative effort involving more than 1100 scientists and students investigating ecological processes over long temporal and broad ...


59. 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 ...


60. US Wildland Fire Update [US_wildland_fireupdate]
This data set provides users with daily wild land fire updates for the United States. Statistical measurements used in this data set include number of new large fires, number of active large fires, ...


61. 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, ...


62. 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 ...


63. 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 ...


64. National Landscape Conservation System [BLM_NLCS]
The Bureau of Land Management's National Landscape Conservation System offers some of the most remarkable landscapes found on the public lands in the American West. Many of these places have already ...


65. IAI-Data-CRN_012_Austin_BIOD-MESOF: Relationship between above- and belowground diversity in an undisturbed temperate forest in southern Argentina (Patagonia) [IAIDIS762]   PARENT DIF
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 ...


66. IAI-Data-CRN_012_Austin_GRASS-DEC: Relative importance of dominant grass species in a water-limited ecosystem in the Patagonian steppe [IAIDIS758]   PARENT DIF
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. ...


67. IAI-Data-CRN_012_Austin_POSIT-DEC: The importance of position of senescent material on decomposition and nutrient release [IAIDIS760]   PARENT DIF
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 ...


68. IAI-Data-CRN_012_Covalschi_hs: Regional and local controls of vegetation spatial-heterogeneity in the Patagonian steppe [IAIDIS742]   PARENT DIF
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. ...


69. 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 ...


70. 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 ...


71. IAI-Data-CRN_012_FLOMBAUM_COV-BIOM: Estimate of aboveground net primary production and biomass measuring vegetation cover [IAIDIS726]   PARENT DIF
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 ...


72. IAI-Data-CRN_012_Yahdjian_drought: Drought effects on ecosystem functioning in a semiarid grass-shrub steppe South of Argentina [IAIDIS744]   PARENT DIF
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 ...


73. 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 ...


74. IAI-Science-ISP-2-032-Ecosystem Processes: Overgrazing, Grass Transpiration, and Soil-Water Balance [IAIDIS480]   PARENT DIF
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 ...


75. The Desert Fishes Index to Fish Images, Maps and Information [desertfishesindex]
This is a taxonomically structured index to DFC WWW and TNHC Fish WWW holdings for North America. A regional and habitat-based index is in development. This list is derived from the list of North ...


76. New Zealand Landscape Photograph Collection [GNS_Photograph]
The New Zealand landscape photograph collection consists of 150,000 oblique aerial and ground photographs of landforms, geological features and rock types throughout New Zealand. More than 70 percent ...


77. 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 ...


78. The whole Hapex-Sahel experience data [HAPEX-DATA]
HAPEX-Sahel: the Hydrology-Atmosphere Pilot Experiment in the Sahel, 1990-1992. (The following text is an extract of : Geographical, biological and remote sensing aspects of the Hydrologic Atmospheric ...


79. McMurdo Dry Valleys-Long Term Ecological Research Network (LTER) [lter_MCB]
The McMurdo Dry Valleys LTER project is an interdisciplinary study of the aquatic and terrestrial ecosystems in a cold desert region of Antarctica. In 1992 this area was selected as a study site within ...


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