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1. Plants - Number of Threatened Species [geodata_1068]
Threatened species are those listed as Critically Endangered (CR), Endangered (EN) or Vulnerable (VU). CRITICALLY ENDANGERED (CR). A taxon is Critically Endangered when the best available evidence ...


2. WWF Ecoregions - Major Habitat Types (Biomes) Legend [geodata_1026]
An ecoregion is defined as a large area of land or water that contains a geographically distinct assemblage of natural communities that (a) share a large majority of their species and ecological ...


3. Alaska AVHRR Twice-Monthly Composites [AK_AVHRR]
The goal of the Alaska Advanced Very High Resolution Radiometer (AVHRR) project is to compile a time series data set of calibrated, georegistered daily observations and twice-monthly maximum normalized ...


4. Conterminous U.S. AVHRR Bi-Weekly Composites [USAVHRR]
The goal of the Conterminous U.S. AVHRR project is to compile a comprehensive time series data set of calibrated, georegistered daily observations and biweekly maximum normalized difference ...


5. USGS Land Use and Land Cover (LULC) Data [1_250_LULC]
The National Mapping Program, a component of the U. S. Geological Survey (USGS), produces and distributes land use and land cover maps and digitized data for the conterminous U.S. and Hawaii. Land ...


6. Urban Dynamics Research Program: Analysis of Land Use Change in Urban Environments [USGS_UDRP]
The Urban Dynamics project looks at land use change in urban environments in order to provide a historical perspective of land use change and an assessment of the spatial patterns, rates, correlation, ...


7. Greenness of the Conterminous U.S. [USGS_GREENESS]
Since 1989, the USGS EROS Data Center has been mapping the vegetation condition of the conterminous United States (lower 48 states) using satellite information. The vegetation condition maps, or more ...


8. Landsat Surface Reflectance Climate Data Record [Landsat_CDR_SR]
The U.S. Geological Survey (USGS) Earth Resources Observation and Science Center (EROS) is charged with prototyping systems and software to generate high-level data products from Landsat 5-7 inputs ...


9. Sahel & NW Africa 14-Day NDVI Composites [SAHEL_NAFR]
Following the serious grasshopper outbreaks of 1986, a pilot program was defined between the U.S. Geological Survey and the U.S. Agency for International Development. The primary goal of this program ...


10. USGS FCT Borneo Island [USGS_FCT_Borneo_Island]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


11. USGS FCT Brazil [USGS_FCT_Brazil]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


12. USGS FCT Cambodia [USGS_FCT_Cambodia]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


13. USGS FCT Cameroon [USGS_FCT_Cameroon]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


14. USGS FCT Columbia [USGS_FCT_Colombia]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


15. USGS FCT Democratic Republic of Congo [USGS_FCT_Democratic_Republic_of_Congo]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


16. USGS FCT Guyana [USGS_FCT_Guyana]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


17. USGS FCT Mexico [USGS_FCT_Mexico]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


18. USGS FCT Nepal [USGS_FCT_Nepal]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


19. USGS FCT Peru [USGS_FCT_Peru]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


20. USGS FCT Sumatra [USGS_FCT_Sumatra]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


21. USGS FCT Tanzania [USGS_FCT_Tanzania]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


22. USGS FCT Tasmania Island [USGS_FCT_Tasmania_Island]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


23. USGS FCT Thailand [USGS_FCT_Thailand]
The Forest Carbon Tracking Task (GEO FCT) has been established to support countries wanting to establish national forest-change, carbon estimation and reporting systems. It will facilitate access ...


24. USGS JECAM Canada Red River [USGS_JECAM_Canada_Red_River]
Joint Experiment for Crop Assessment and Monitoring The overarching goal of JECAM is to reach a convergence of approaches, develop monitoring and reporting protocols and best practices for a variety ...


25. USGS JECAM Canada South Nation [USGS_JECAM_Canada_South_Nation]
Joint Experiment for Crop Assessment and Monitoring The overarching goal of JECAM is to reach a convergence of approaches, develop monitoring and reporting protocols and best practices for a variety ...


26. Carbon isotopic signal of cholesterol and brassicasterol (respectively zooplankton and phytoplankton indicator) and presence of particulate Barium in the Antarctic sea-ice - collected during SIPEX II, 2012 [SIPEX_II_Stable_Isotopes_Sterols]   PARENT DIF
Overview of the project and objectives: Sea-ice phytoplankton is significantly enriched in 13C (delta 13C-POC) compared to pelagic phytoplankton in adjacent open waters because of carbon limitation ...


27. Sea ice Trace Metals sampling during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Trace_Metals]   PARENT DIF
Antarctic sea ice is known to store key micronutrients, such as iron, as well as a suite of less studied trace metals in winter which are rapidly released in spring. This stimulates ice edge phytoplankton ...


28. Spaceborne Imaging Radar-C Precision [SIR-C_PRECISION]
Spaceborne Imaging Radar-C/X-band Synthetic Aperture Radar (SIR-C/X-SAR) is a joint project of the National Aeronautics and Space Administration (NASA), the German Space Agency, Deutsche Agentur ...


29. USGS Earthshots: Satellite Images of Environmental Change [USGS_EARTHSHOTS]
Earthshots is an ebook of before-and-after Landsat images (1972-present), showing recent environmental events and introducing remote sensing. Earthshots comes from the U.S. Geological Survey's EROS ...


30. Forest Fire Extent [geodata_0960]
Forest Fire Extent - Annual Average comprises the reported forest areas exposed to fire. Total Forest includes natural forests and forest plantations. The term is used to refer to land with a tree ...


31. GLS tag deployments on Snow petrels (Pagodroma nivea) in 2011 and 2012 from Bechervaise Island, Mawson Coast and Filla Island, Rauer Group [ASAC_2722_SP_GLS]   PARENT DIF
GPS tag deployments on Snow petrels (Pagodroma nivea) in 2011 from Bechervaise Island, Mawson Coast and Filla Island, Rauer Group, as part of AAS project 2722. Identifying potential threats from ...


32. Global Model Reference Data, 0.5 x 0.5 degree grid-cell [EOSWEBSTER_Global_Ref]
The Global Model Reference Collection contains 3 datasets that have been used extensively in various biogeochemical process models, in addition to some basic data layers used in analyzing and aggregating ...


33. Total Forest Extent [geodata_0929]
Forest: Land spanning more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent, or trees able to reach these thresholds in situ. It does not include land ...


34. USGS Digital Orthophoto Quadrangles [USGS_DOQ]
A Digital Orthophoto Quadrangle (DOQ) is a computer-generated image of an aerial photograph in which the image displacement caused by terrain relief and camera tilt has been removed. The DOQ combines ...


35. Foraging ecology of emperor penguins in summer and potential overlap with fisheries [ASAC_1252]
Metadata record for data from ASAC Project 1252 See the link below for public details on this project. Currently three datasets are attached to this metadata record. Dive data collected in 1988, ...


36. Marine protozoa sample from 2012 Arctic Chuckchi Sea [KPDC_MPS_ARCTIC_2012]
Marin protozoa are collected in the Chuckchi Sea of central Arctic Sea from 1 August to 10 September 2012. This data includes collector, locality and abundance for marine protozoa.


37. SRE4 Metals in treatment Oils [SRE4_Metals_in_Oils]   PARENT DIF
Sediment Recruitment Experiment 4 (SRE4) was a large, long term (5 year) field experiment run at Casey Station (from 2001 to 2006) testing the effects of 4 different hydrocarbons on marine sediment ...


38. Satellite tracking of emperor penguin (Aptenodytes forsteri) fledglings at Amanda Bay in 2011 [ASAC_1252_IMOS_11068_201011]
As seabirds emperor penguins spent a large proportion of their lives at sea. For food they depend entirely on marine resources. Young penguins rarely return to their natal colonies after their first ...


39. Satellite tracking of emperor penguin (Aptenodytes forsteri) fledglings at Amanda Bay in 2012 [ASAC_1252_IMOS_11068_201112]
As seabirds emperor penguins spent a large proportion of their lives at sea. For food they depend entirely on marine resources. Young penguins rarely return to their natal colonies after their first ...


40. Satellite tracking of emperor penguin (Aptenodytes forsteri) fledglings at Amanda Bay in 2013 [ASAC_1252_IMOS_11068_201213]
As seabirds emperor penguins spent a large proportion of their lives at sea. For food they depend entirely on marine resources. Young penguins rarely return to their natal colonies after their first ...


41. NLDAS Forcing Data L4 Hourly 0.125 x 0.125 degree V001 (NLDAS_FOR0125_H) at GES DISC [GES_DISC_NLDAS_FOR0125_H_V001]
This data set contains the forcing data for Phase 1 of the North American Land Data Assimilation System (NLDAS-1). The data are in 1/8th degree grid spacing and ...


42. SRE4 Metals in O'Brien Bay sediments [SRE4_OBrienBaySedimentMetals]   PARENT DIF
Sediment Recruitment Experiment 4 (SRE4) was a large, long term (5 year) field experiment run at Casey Station (from 2001 to 2006) testing the effects of 4 different hydrocarbons on marine sediment ...


43. SRE4 Sediment Chemistry [SRE4_SedimentChemistry]   CHILD DIFs   PARENT DIF
Sediment Recruitment Experiment 4 (SRE4) was a large, long term (5 year) field experiment run at Casey Station (from 2001 to 2006) testing the effects of 4 different hydrocarbons on marine sediment ...


44. SRE4 Sediment Total Organic Carbon plus Nitrogen and Phosphorus [SRE4_SedimentTOCNitrogenPhosphorus]   PARENT DIF
Sediment Recruitment Experiment 4 (SRE4) was a large, long term (5 year) field experiment run at Casey Station (from 2001 to 2006) testing the effects of 4 different hydrocarbons on marine sediment ...


45. SRE4 Sediment grain size analysis [SRE4_SedimentGrainSize]   PARENT DIF
Sediment Recruitment Experiment 4 (SRE4) was a large, long term (5 year) field experiment run at Casey Station (from 2001 to 2006) testing the effects of 4 different hydrocarbons on marine sediment ...


46. SRE4 Total Petroleum Hydrocarbons in sediment trays [SRE4_TPH]   PARENT DIF
Sediment Recruitment Experiment 4 (SRE4) was a large, long term (5 year) field experiment run at Casey Station (from 2001 to 2006) testing the effects of 4 different hydrocarbons on marine sediment ...


47. Eddy covariance data of Alaska permafrost site in 2012 summer [KDPC_ECD_ALASKA_2012]
Eddy covariance data obtained at a permafrost site of Council, Alaska, USA


48. 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 ...


49. Ecofunctional biodiversity of benthic crustacean taxocoenoses in the Southern Ocean [AMD_BE_CRUSTACEANS]
Description and evaluation of the role of biodiversity of the macrobenthos, in particular of the peracarid crustaceans, in the structure and functioning of the Antarctic coastal and shelf ecosystem. ...


50. GIS Coverage of the National Water-Quality Assessment (NAWQA) Program Trace Elements Sampling Sites for the EPA Clean Air Mapping and Analysis Program (C-MAP) [NAWQA_TE]
This is a point coverage of the sampling sites for the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program Study-Unit investigations of Trace Elements for the conterminous United ...


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