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51. A Climate Change Atlas for 80 Forest Tree Species of the Eastern United States [spatial database], USDA-FS [USDA.FS.NRS.CCTreeAtlas]
(Adapted from Project Home Page) The purpose of this atlas is to highlight the status of the current forests of the United States, east of the 100th meridian. The authors present 80 common species ...


52. A Digital Global Map of Irrigated Areas [UKASSEL_GLOBAL_IRRIGATED_AREA]
For the purpose of global modeling of water use and crop production, a digital global map of irrigated areas was developed. The map depicts the areal percentage of each 0.5 deg. by 0.5 deg grid cell ...


53. A Directory of Illinois Nature Preserves [IGDNR_NATPRES]
This data set depicts the nature preserves of Illinois, digitized from USGS 7.5 minute quadrangles. A nature preserve is an area of land or water in public or private ownership that is ...


54. A Geologic Map of the Sea Floor in Western Massachusetts Bay, Constructed from Digital Sidescan-Sonar Images, Photography, and Sediment Samples [USGS-DDS-3]
This data set describes sea floor characteristics for the Western Massachusetts Bay. This data set was created using sidescan-sonar imagery, photography, and sediment samples.


55. A Global Representative System of Marine Protected Areas [AU_grsmpa]
Four volumes identifying priorities for establishing new marine protected areas and improving management of existing ones in each of the world's 18 major marine ...


56. A High-Resolution Land-Use Map - Nogales, Sonora, Mexico [USGS_OFR_2010_1156]
The cities of Nogales, Sonora, and Nogales, Arizona, are located in the Ambos Nogales Watershed, a topographically irregular bowl-shaped area with a northward gradient. Throughout history, residents ...


57. A Missouri Survey for Climbing Milkweed and Pale Gerardia [BRD001]
Report Prepared by the Missouri Department of Conservation, Jerry Presley, Director, under Cooperative Agreement No. 14-45-0009-94-1019, with the National Biological Service A Missouri survey for ...


58. A Multi-scale Habitat Evaluation of Amphibians in the Lower Mississippi River Alluvial Valley [nwrc_amphibianslowermiss]
Bottomland hardwood forests are floodplain forests distributed along rivers and streams throughout the central and southern United States. The largest bottomland hardwood ecosystem in North America ...


59. A New Approach for Analyzing Bird Densitiies from Variable Circular-plot Counts [brdpier0003]
An approach for calculating bird densities from variable circular-plot counts is described. The approach differs from previous methods in that data from several surveys are pooled and detection distances ...


60. 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, ...


61. A Passive Integrative Sampler for Mercury Vapor in Air and Neutral Mercury Species in Water. [usgsbrdcerc_mercurysampler]
A passive integrative mercury sampler (PIMS) based on a sealed polymeric membrane was effective for the collection and preconcentration of Hg0. Because the Hg is both oxidized and stabilized in the ...


62. A Study of Chemical Contamination of Marine Fish From Southern California [CEPA_OEHHA_marfishcontam]
This report describes the results of a comprehensive study and health evaluation (risk assessment) of chemical contaminants in sports fish species in southern California. The study was conducted ...


63. A Study of Louisiana's Major Estuaries and Adjacent Offshore Waters [LA_DWF_MFD_majorestuaries]
Seven of Louisiana's major estuaries and adjacent offshore waters were sampled monthly for a 2 year period. The samples were analyzed for physical properties, water chemistry, nekton and zooplankton.


64. A curious herbal. Vol 1-2 [MBG1]
Containing five hundred cuts, of the most useful plants, which are now used in the practice of physick engraved on folio copper plates, after drawings taken from the life by Elizabeth Blackwell. To ...


65. A description of the genus Cinchona, comprehending the various species of vegetables from which the Peruvian and other barks of a similar quality are taken. [MBG2]
A description of the genus Cinchona, comprehending the various species of vegetables from which the Peruvian and other barks of a similar quality are taken. Illustrated by figures of all the species ...


66. A general history of the Dichlamydeous plants: Comprising complete descriptions of the different orders, according to the natural system. Vol 1-4 [MBG8]
A general history of the dichlamydeous plants: comprising complete descriptions of the different orders, the whole arranged according to the natural system. Includes the following volumes: I. Thalamiflorae.--II-III. ...


67. A global landslide catalog for hazard applications: method, results, and limitations [NASA_GSFC_TRMM_LANDSLIDE_INVENTORY]
A systematic inventory of landslide events over the globe is valuable for estimating human and economic losses, quantifying the relationship between landslide occurrences and climate variations and ...


68. A monograph of Odontoglossum (1874) [MBG3]
Contains a botanical monograph of the orchids Genus Odontoglossum


69. A monograph of the genus Lilium (1877-1880) [MBG4]
Botanical monograph of the genus Lilium, Liliaceae


70. A selection of Hexandrian plants, belonging to the natural orders Amaryllidae and Liliacae [MBG5]
Contains scientific informations with descriptions and drawings of Hexandrian plants (Amaryllidae and Liliaceae). Each plate accompanied by descriptive letterpress. This also contains drawings of ...


71. A voyage to the islands Madera, Barbados, Nieves, S. Christophers and Jamaica, with the natural history of the herbs and trees, four-footed beasts, fishes, birds, insects, and reptiles (Vol 1-2) [MBG6]
Contains set of notes about the trip: natural history of the herbs and trees, four-footed beasts, fishes, birds, insects, reptiles. Account of the inhabitants, air, waters, diseases, trade, of that ...


72. A voyage towards the North Pole undertaken by his Majesty's command [MBG7]
Natural history descriptions about this expedition in the North Pole


73. AIDS Public Information Data Set [cdc_aidspublichealth]
The AIDS Public Information Data Set is computer software designed to run on a Microsoft Windows microcomputer, and contains information abstracted from acquired immunodeficiency syndrome (AIDS) cases ...


74. ANSCIA Barrow Ground Control Point Database [INSTAAR_BARROW_ANSCIA]
This series of web pages presents site information for 63 Ground Control Points (GCP's) measured near Barrow, Alaska, during the summer of 2001 using Differential GPS. The GCP's were measured ...


75. AQUASTAT Database [Aquastat]
AQUASTAT is FAO's global information system of water and agriculture developed by the Land and Water Development Division of FAO. The AQUASTAT database provides information on water and agriculture ...


76. ASTER Imagery [GLCF_ASTER]
The Global Land Cover Facility (GLCF) at the University of Maryland, College Park houses ASTER Level 1B scenes. This effort is in part sponsored by the NASA/JAXA ...


77. ATSDR Toxicological Profiles [ATSDRtoxicology]
Constantly updated, ATSDR'S Toxicological Profiles (Agency for Toxic Substances and Disease Registry - U.S. Public Health Service) translates over 40,000 pages of data into a comprehensive, current, ...


78. Accumulation of Dioxins and Furans in Sediment and Biota [BESTsed24]
Monitoring of sediment and crayfish (Pacifastacus leniusculus) was conducted in order to satisfy monitoring requirements set forth in the City of St. Helens National Discharge Elimination System (NPDES) ...


79. Accumulation of Dioxins and Furans in Sediment and Biota in the Lower Columbia Wauna River Area [BESTsed25]
Monitoring of sediment and crayfish (Pacifastacus leniusculus) was conducted in order to satisfy monitoring requirements set forth in the James River Wauna Mill's National Discharge Elimination System ...


80. Accumulation of Nitrogen and Phosphorus in Aboveground Biomass following Fertilization in Two Alpine Tundra Communities [brdlter0032]
To determine whether there are differences in the relative capacity of communities to accumulate nutrients N and P standing crops were measured following fertilization in two alpine tundra communities. ...


81. Accuracy and Precision of Estimating Age of Gray Wolves by Tooth Wear [usgs_npwrc_graywolves]
We evaluated the accuracy and precision of tooth wear for aging gray wolves (Canis lupus) from Alaska, Minnesota, and Ontario based on 47 known-age or known-minimum-age skulls. Estimates of age using ...


82. Acid Deposition Sensitivity of the Southern Appalachian Assessment Area [USGS_OFR_Acid_Deposition]
The Acid Deposition Sensitivity of the Southern Appalachian Assessment Area is a project that studies areas having various susceptibilities to acid deposition from air pollution which are designated ...


83. Acid Sensitive Waters Dataset for Ireland [Ireland_EPA_Acid_Water]
The dataset contains information on the chemical and biological measurements carried out on selected acid-sensitive waters in Donegal, Connemara and Wicklow since 1984. Measurements of dissolved oxygen, ...


84. Acidic Surface Waters of the Conterminous United States GIS Data for the EPA Clean Air Mapping and Analysis Program (C-MAP) [A_Water_EPA]
This coverage contains information about estimates of current acid-base status of surface waters in National Surface Water Survey regions in the conterminous U.S., as reported in the National Acid ...


85. Actinospore release under two different flow rates. [MSU_10]
Myxospores were introduced to artificial stream channels with different flow regimes (slow and fast). Outflow from these channels was filtered for actinospores. Measurements are calculated as both ...


86. Active Tectonics of the Northern Dead Sea Fault System in Syria and Lebanon [GEO_CORNELL_ACTIVE_TECT]
Cornell University is conducting an interdisciplinary study of the active tectonics of the Dead Sea Fault System (DSFS) in Syria and Lebanon. One motivation for this research is the lack of information ...


87. Acute Toxicity of Fire-Control Chemicals, Nitrogenous Chemicals, and Surfactants to Rainbow Trout [usgs_npwrc_acutetoxicity]
Laboratory studies were conducted to determine the acute toxicity of three ammonia-based fire retardants (Fire-Trol LCA-F, Fire-Trol LCM-R, and Phos-Chek 259F), five surfactant-based fire-suppressant ...


88. Adult Summer Steelhead Strays Found in the Willamette River Basin in Oregon [MSU_16]
Recovery information and identifying marks for stray anadromous salmon collected in the Willamette River, Oregon.


89. Aerosol Optical Thickness Measurements During the Forest Ecosystem Dynamics - Multisensor Aircraft Campaign [FEDMAC_AEROSOLS]
Forest Ecosystem Dynamics Multisensor Airborne Campaign (FED MAC): Aerosol Optical Thickness The Biospheric Sciences Branch (formerly Earth Resources Branch) within the ...


90. African Geographic Mosaic (GIS Coverage) [ES_GEO_COVER_AFRICA]
This low bandwidth example of the Landsat TM image mosaic service that will be provided by Earth Satellite Corporation over ESRI's Geographic Network. This particular service consists ...


91. African Mammals Databank [IAE_AfricanMammals]
The African Mammals Databank is a GIS-based databank on the distribution and conservation of all the big and medium-sized mammals over the whole African continent. The databank has been ...


92. Agate Fossil Beds National Monument Spatial Vegetation Data: Cover Type/Association Level of the National Vegetation Classification System [usgs_nps_agatefossilbedsspatial]
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 ...


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


94. Aggregated Zones & Sub-Zones for Insurance Risk Assessment [ET_CRESTA]
The CRESTA (Catastrophe Risk Evaluating and Standardising Target Accumulations) zone data set helps brokers and reinsurers assess and present risk, based on the zoning system established by the world's ...


95. Air quality monitoring protocol - Denali National Park and Preserve [usgsbrdasc00000004]
Ambient air quality monitoring is important in Denali, to document baseline conditions and to track long term trends. Denali National Park and Preserve is the only National Park in Alaska designated ...


96. Airborne Laser Polarization Sensor (ALPS) Experiment During the Forest Ecosystem Dynamics - Multisensor Airborne Campaign [FEDMAC_ALPS]
Forest Ecosystem Dynamics Multisensor Airborne Campaign (FED MAC): Airborne Laser Polarization Experiment The Biospheric Sciences Branch (formerly Earth Resources Branch) ...


97. Alabama Cotton Data 1987-1988 from USDA ARS [Cotton_USDA_Alabama]
The U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS) in Beltsville, Maryland has been working with various Universities collecting data for use with cotton model development. ...


98. Albatross Bay Adult Prawn Data 1986-1992 [CSIRO_adultprawn]
Adult prawn species, size, sex, reproductive stage, moult stage, and parasites were measured at 20 stations in Albatross Bay, Gulf of Carpentaria. Sampling was carried out monthly between ...


99. Albatross Bay Chlorophyll Data 1986-1992 [CSIRO_albatross_chlorophyll]
Data was collected over six years from 4 stations in Albatross Bay, Gulf of Carpentaria. Concentrations of chlorophyll and other pigments ...


100. Albatross Bay Fish Data 1986-1988 [CSIRO_Albatross_fish]
7, four- to five-day cruises were undertaken using the vessel "Jacqueline D" in Albatross Bay, Gulf of Carpentaria between August 1986 and November 1988, using a random stratified trawl ...


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