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1. Distribution of Dissolved Pesticides and Other Water Quality Constituents in Small Streams, and their Relation to Land Use, Willamette River Basin, Oregon [WRIR_97_4268]
Water quality samples were collected at sites in 16 randomly selected agricultural and 4 urban subbasins as part of Phase III of the Willamette River Basin Water Quality Study in Oregon during 1996. ...

2. Long Term Slurry on Grassland Experiment, Soil Organic Matter Network, Northern Ireland [DARD.Slurry]
This experiment was initiated in 1970 at a site that was originally temperate deciduous woodland. It then was an estate farm until the agricultural institute founded in 1926. The area ...

3. Relative Wilderness in the Contiguous United States [Relative_Wilderness_US]
Relative wildness of the contiguous United States. A combination of data representing the six attributes of the land that contribute to its wildness. These attributes are solitude, remoteness, uncontrolled ...

4. Relative Wilderness of the Chesapeake Bay Watershed [Relative_Wilderness_Chesapeake]
Relative wildness of the Chesapeake Bay watershed. A combination of data representing the six attributes of the land that contribute to its wildness. These attributes are solitude, remoteness, uncontrolled ...

5. Relative Wilderness of the Eastern United States [Relative_Wilderness_Eastern_US]
Relative Wildness of the eastern United States. A combination of data representing the six attributes of the land that contribute to its wildness. These attributes are solitude, remoteness, uncontrolled ...

6. Sediment Oxygen Demand in the Tualatin River Basin, Oregon, 1992-96 [WRIR_97_4103]
Sediment oxygen demand (SOD) rates were measured by U.S. Geological Survey (USGS) personnel at 20 stream sites in the Tualatin River Basin from 1992 through 1996 as part of an investigation into the ...

7. Water Quality and Algal Conditions in the North Umpqua River Basin, Oregon, 1992-1995 [WRIR_98_4125]
This data came from a synoptic water-quality and algal investigation during July 1995 at 36 stream sites in a 1,350 square-mile area of the North Umpqua River Basin, Oregon. The study area includes ...

8. Breeding Bird Surveys at SERC [siserc_bird001]
The locations of all birds seen or heard during a census were marked on a map. Censuses were conducted along 10 lanes, 50 m apart through a 15 ha section of mature upland forest that was dominated ...

9. Dynamics of PAR and UVB Transmittance, SERC, Edgewater, Maryland [siserc_cano011]
Transmittance of broadband PAR and UVB radiation taken at 22 irregular intervals throughout the year from a slanting guy-wire trolley system at the SERC forest tower (1.635 ha in size). Location ...

10. Foliage Leaching by Acids at SERC, Edgewater, MD. [siserc_cano004]
Acid-dependent leaching potential (pH 2.5,3,3.5,4,4.5,5,&5.5) of major solutes from leaves of 7 major canopy species measured in the laboratory using a rainwater simulation procedure ("leaching potential"). ...

11. Juvenile Blue Crab Mortality at the Smithsonian Environmental Research Center [siserc_crab001]
Tethering techniques are used to assess sources of and temporal variation in juvenile blue crab mortality as a function of water depth in the nearshore shallows of the Rhode River subestuary. Twenty-five ...

12. Marsh Elevated CO2 Study-Shoot Number, SERC, Edgewater, MD [siserc_co2005]
Shoot density data for C3 and C4 plants in the C3, C4 and mixed communities under ambient and elevated CO2 and in chamberless plots. Scirpus olneyi densities were obtained by censusing the entire ...

13. New York Metropolitan Plant Occurrence Database [BBG_NYMFplantoccurrence]
The Brooklyn Botanic Garden maintains a database of occurrence plant records for the New York Metropolitan Area. This database includes specimen and observational data. Specimen ...

14. BALANS Hydro1K Basin [BALANS_Hydro1K]
Examination of the existing drainage basin delineation at "Baltic Sea region GIS, maps and statistical database" (digitized after a drainage basin definition done in 1986) in comparison with the Hydro1k ...

15. BALANS Wetlands [BALANS_Wetlands]
The BALANS wetlands dataset has been assembled from satellite data from the IRS 1C/1D WiFS satellite. The reference data has been collected from national sources. Note that the product is not homogenous ...

16. Coastal Erosion and Wetland Change in Louisiana: Selected USGS Products [USGS-DDS-79]
Louisiana contains 25 percent of the vegetated wetlands and 40 percent of the tidal wetlands in the 48 conterminous States. These critical natural systems are being lost. Louisiana leads the Nation ...

17. 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 ...

18. 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 ...

19. Florida Geographic Data Library [FGDL]
The Florida Geographic Data Library (FGDL) is a mechanism for distributing spatial (GIS) data throughout the state of Florida. The FGDL is warehoused and maintained at the University of Florida's ...

20. New Jersey Landscape Change Research [RUTGERS_LANDSCAPE_CHANGE]
A group of researchers at Rutgers is collaborating to study and address one of New Jersey's most pressing issues: the rapid development of the state's landscapes. Building on existing research, like ...

21. Southern Appalachian Assessment (SAA) Online Geospatial Database [SAMAB_SAA]
The Southern Appalachian Assessment (SAA) was a cooperative multi-agency effort to assess the environmental condition of the Southern Appalachian region. The SAA was described as the ecological equivalent ...

22. U.S. Geological Survey (USGS) and the American Geological Institute (AGI) Global GIS Database [Global_GIS]
The U.S. Geological Survey (USGS) and The American Geological Institute (AGI) announced a cooperative agreement that will focus on making the USGS Global Geographic Information ...

23. West Virginia Technical Center GIS Data Products [WVGIS]
The West Virginia GIS Technical Center (WVGISTC) provides GIS data on all disciplines of Earth Science. GIS data includes imagery and base maps, land cover, census, cultural ...

24. Wetlands for Baltic Sea drainage basin region [BEA_Wetlands]
This is the GIS data file for the Wetlands for the Baltic Sea drainage basin region. The GIS data set is part of the Baltic Sea Region GIS Database and part of the Baltic Drainage Basin Project (BDBP) ...

25. Freeze-Thaw Earth System Data Record [UMT_NTSG_FREEZETHAW]
NASA's Freeze/Thaw Earth System Data Record (FT-ESDR) Web Interface is a NASA MEaSUREs (Making Earth System Data Records for Use in Research Environments) funded effort to provide a consistent long-term ...

26. Climate/Avalanche Paths in Utah [agrc_climate_avalanche]
These data represent avalanche paths in the Wasatch Canyons within Salt Lake County. This data is for display and analysis at 1:24,000 scale. These data were prepared for the Salt Lake County Wasatch ...

27. Aquatic Ecoregions in the United States GIS Data for the EPA Clean Air Mapping and Analysis Program (C-MAP) [AQUAECO]
Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987). This is ...

28. BALANS Land cover [BALANS_LandCover]
The BALANS land cover dataset has been assembled from satellite data from the IRS 1C/1D WiFS satellite. The reference data has been collected from national sources. Note that the ...

29. California Fire and Resource Assessment Program [FRAP_CFRAP]
The California Department of Forestry and Fire Protection's Fire and Resource Assessment Program (FRAP) assesses the amount and extent of California's forests and rangelands, analyzes their conditions ...

30. Environmental Atlas of the Lake Pontchartrain Basin [USGS_OFR_2002_206]
The story of Lake Pontchartrain and its surrounding Basin is a fascinating saga. Created at the end of the last Ice Age, this estuary is much more than just a magnificent natural resource. It has ...

31. Hydrologic Units Maps of the Conterminous United States for the EPA Clean Air Mapping and Analysis Program (C-MAP) [HUC250k]
The Geographic Information Retrieval and Analysis System (GIRAS) was developed in the mid 70s to put into digital form a number of data layers which were of interest to the USGS. One of these data ...

32. IOWA Rivers Information System [IRIS]
The Iowa Rivers Information System (IRIS) provides a comprehensive access point for obtaining physical, chemical and biological information for Iowa's interior streams and ...

33. Physical and Biological Factors Associated with Avian Cholera in Wetland Ecosystems [brdnwhc0002]

34. 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.

35. Prevalence of Infection in Rainbow Trout Under Different Flow Rates [MSU_13]
Myxospores were introduced to artificial stream channels with different flow regimes (slow and fast). Rainbow trout sac-fry were added to each channel for one-week exposures; afterwards, a quantitative ...

36. Prevalence of Infection in Tubifex tubifex Under Different Flow Rates [MSU_14]
Myxospores were introduced to artificial stream channels with different flow regimes (slow and fast) and containing Tubifex tubifex. Worms were removed 201 days post-exposure and a Quantitative Polymerase ...

37. Severity of Infection in Rainbow Trout Exposed for Six Weeks Under Different Flow Rates [MSU_12]
Myxospores were introduced to artificial stream channels with different flow regimes (slow and fast). Rainbow trout sac-fry were added to each channel for a six-week exposure in order to assess differences ...

38. West Nile Virus United States Bird Map [usgs_cdc_westnilebird]
The Centers for Disease Control and Prevention and the United States Geological Survey have collaborated on the United States Bird Map that shows where birds have tested positive for West Nile Virus. ...

39. West Nile Virus United States Human Map [usgs_cdc_westnilenuman]
The Centers for Disease Control and Prevention and the United States Geological Survey have collaborated on the United States Human Map that shows where humans have tested positive for West Nile Virus. ...

40. West Nile Virus United States Mosquito Map [usgs_cdc_westnilemosquito]
The Centers for Disease Control and Prevention and the United States Geological Survey have collaborated on the United States Mosquito Map that shows where mosquitos have tested positive for West ...

41. West Nile Virus United States Sentinel Flock Map [usgs_cdc_westnilesentinel]
The Centers for Disease Control and Prevention and the United States Geological Survey have collaborated on the United States Sentinel Flock Map that shows where sentinel flocks have tested positive ...

42. Partners in Flight Landbird Population Estimates (2004) Database [PIF_landbirdbase]
The population size estimates in this database correspond to those presented in the Partners in Flight North American Landbird Conservation Plan (Rich et al. 2004) and The Association of Fish and ...

43. Triactinomyxons (TAMs) release by Tubificids Collected from the Madison River (Montana) [MSU_17]
Oligochaetes were collected from six side channels of the Madison River (Montana) and observed for TAM release. This dataset shows the number of the tubificids with morphology similar to T. tubifex ...

44. 1986-1988 Plot-Transect Installation - Roan Mountain Massif Content Management [NBII_SAIN2]
This data set contains information on a set of transects and plots that were originally installed in 1987 and 1988 on the grassy balds of the Roan Mountain Massif (Round Bald, Engine Gap, Jane Bald, ...

45. 1996-Plot-Transect -Relocation - Roan Mountain Massif Data Management Project [NBII_SAIN1]
This data set represents efforts to relocate a set of transects and plots that were originally installed in 1987 and 1988 on the grassy balds complex of the Roan Mountain Massif [Round Bald, Engine ...

46. Laboratory Exposure of Chinook Salmon to Triactinomyxons (TAMs) [MSU_CHS_SR]
A laboratory challenge model was developed to evaluate the effects of a natural M. cerebralis exposure on the susceptibility of Chinook salmon. Fry at 3 weeks post-hatch were subject to repeated doses ...

47. Myxobolus cerebralis Infection in Adult Chinook Salmon [MSU_CHS_AD]
Results of assay for M. cerebralis myxospores by digest and PCR technique of adult Chinook salmon recovered in the Clackamas River basin

48. Oligochaete Sampling in Clear Creek (Oregon) [MSU_CCWS]
Dataset of results of oligochaete sampling at locations in Clear Creek between 2002-2005.

49. Plot-Transect - 1990 Relocation - Roan Mountain Massif Data Management Project [NBII_SAIN4]
This data set represents efforts to relocate a set of transects and plots that were originally installed in 1987 and 1988 on the grassy balds complex of the Roan Mountain Massif [Round Bald, Engine ...

50. Prevalence of Myxobolus cerebralis infection in rainbow trout [MSU_3]
Rainbow trout and Chinook salmon fry were placed in sentinel cages in the Lostine River (Oregon) and were naturally exposed to triactinomyxons (TAMs). After exposure, a subsample of rainbow trout ...

Showing 1 through 50 of 1822 Next