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51. Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Binned Normalized Difference Vegetation Index Land Reflectance - NRT [MODISA_L3b_LAND_NRT_2018]
The Ocean Biology DAAC produces near real-time (quicklook) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration ...


52. Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Mapped Normalized Difference Vegetation Index Land Reflectance - NRT [MODISA_L3m_LAND_NRT_2018]
The Ocean Biology DAAC produces near real-time (quicklook) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration ...


53. Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Normalized Difference Vegetation Index Land Reflectance Global Binned Data [MODISA_L3b_LAND_2018]
MODIS (or Moderate Resolution Imaging Spectroradiometer) is a key instrument aboard the Terra (EOS AM) and Aqua (EOS PM) satellites. Terra's orbit around the Earth is timed so that it passes from ...


54. Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Normalized Difference Vegetation Index Land Reflectance Global Mapped Data [MODISA_L3m_LAND_2018]
MODIS (or Moderate Resolution Imaging Spectroradiometer) is a key instrument aboard the Terra (EOS AM) and Aqua (EOS PM) satellites. Terra's orbit around the Earth is timed so that it passes from ...


55. Aquaculture Licencing Information System (ALIS) [Canada_NfldFishAqua_ALIS]
The Aquaculture Licensing Information System is the focal point for maintaining information with regards to the aquaculture industry in the province of Newfoundland and Labrador. Maintain ...


56. Aquaculture Network Information Center (AquaNIC) [USDA0108]
The Aquaculture Network Information Center (AquaNIC) is a gateway to the world's electronic aquaculture resources. AquaNIC is coordinated by the Mississippi-Alabama Sea Grant Consortium, and hosted ...


57. Aquaculture Outlook, USDA [USDA0441]
"Aquaculture Outlook" is a full-text report that contains information on the U.S. aquaculture industry. It covers production, inventory, sales, prices, inputs; and trade of catfish, trout, tilapia, ...


58. Aquatic Diversity of California [uc_davis_aquadiv]
Fish range maps were created by the Department of Wildlife, Fisheries and Conservation Department of the University of California at Davis as part of a contract with the Nature Conservancy. For more ...


59. 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 ...


60. Aquatic Resources Monitoring (ARM) [EPA_ARM]
This Web site provides information on monitoring of aquatic resources in the US, primarily focused on design and analysis of probability based surveys. Links are provided to other aquatic resources ...


61. Aquatic Toxicity: Protocols, Results, and Literature, Canada [Canada_EC_AQUATOX]
The Aquatic Toxicity: Protocols, Results, and Literature, Canada, contains the results of toxicity tests on industrial wastewaters and chemicals; toxicity test methods; videos (for training); and ...


62. Arabian Sea cores 63KA, 41KL, 42KG foraminiferal oxygen isotope data [NOAA_NCDC_PALEO2003-059]
Foraminiferal oxygen isotope data from cores 63KA, 41KL, 42KG, Latitude 24 deg 37' N, Longitude 65 deg 59' E, Water depth 316 m. Corrected depth (column 3) is the core depth minus event deposits. ...


63. Archaeological Investigation of Sealing Sites at Heard Island [AAS380]
A report and images taken as part of ASAC (AAS) project 380 - Archaeological Investigation of Sealing Sites at Heard Island. Taken from the report: From November 1986 to January 1987 the authors ...


64. Architectural and Physiological Limit on Carbon Balance in Plants [USDA0576]
The objective of "Architectural and Physiological Limit on Carbon Balance in Plants" is to investigate genetic differences in the architectural and physiological characteristics known to influence ...


65. Archive of Digital CHIRP Seismic Reflection Data Collected During USGS Cruise 06FSH01 Offshore of Siesta Key, Florida, May 2006 [USGS_DS_2007_254]
In May of 2006, the U.S. Geological Survey conducted geophysical surveys offshore of Siesta Key, Florida. This report serves as an archive of unprocessed digital chirp seismic reflection data, trackline ...


66. Arctic Base map [ARNd0015_103]
Coastline, islands and iceshelf in the Arctic area. Members informations: Attached Vector(s): MemberID: 1 Vector Name: ArcInfo export file of the Arctic coastlines Projection: geographic Projection_desc: ...


67. Arctic Environmental Change of the Last Four Centuries [NOAA_NCDC_PALEO_ARCTIC]
Abstract (from the online documentation): A compilation of paleoclimate records from lake sediments, trees, glaciers, and marine sediments provides a view of circum-Arctic environmental variability ...


68. Arctic Marine Fish Museum Specimens [ArcOD_2007F1]   PARENT METADATA
Mecklenburg, C. W., T. A. Mecklenburg, B. A. Sheiko, and N. V. Chernova. 4 July 2006. Arctic marine fish museum specimens. Database submitted to ArcOD, Institute of Marine Science, University of Alaska ...


69. Arctic National Wildlife Refuge (ANWR) Data Base, U.S. Fish and Wildlife Service, Alaska [EARTH_LAND_USFWS_AK_Wildlife1]
The Arctic National Wildlife Refuge (ANWR) is the most northern and one of the largest Refuges within America's National Wildlife Refuge System. The Arctic Refuge is managed by the U.S. ...


70. Arctic National Wildlife Refuge Data; USGS, Alaska [EARTH_LAND_USGS_AK_Wildlif_Ref1]
Digital land cover and terrain data of the Arctic National Wildlife Refuge (ANWR) were prduced by the U.S. Geological Survey (USGS) Earth Resources Observation Systems Field Office, Anchorage, ...


71. Arctic Ocean Biodiversity [ArcOD]   CHILD METADATA
The Arctic Ocean is unique on Earth in its physical and biological properties. It is the most extreme ocean in regard to the seasonality of light and its year-round existing ice cover. Current knowledge ...


72. Arctic Ocean Chuckchi Sea August 1953-1954 Zooplankton vertical stratified collections on board of the Russian R/V Lomonosov, program ANII A-65 [UAF_ArcticRussianplankton]
Zooplankton collections were made to investigate assess interannual changes in species composition, abundance and distribution of the zooplankton in the Chuckchi Sea, one of the biologically lesser ...


73. Arctic Ocean: Amundsen and Nansen basins – July-August 2001. Vertical and stratified zooplankton sampling onboard the Swedish icebreaker Oden, program FAMIZ [ArcOD_2006P8]   PARENT METADATA
Studies of distribution and abundance of zooplankton were performed in a) Amundsen basin (89-88oN drift) and b) Nansen basin (four stations in the MIZ and two stations in the open water). In Amundsen ...


74. Arctic Plant and Ecosystem Respiration [arctic_plant_and_ecosystem_respiration]
Measurements of leaf, wood, moss, lichen, root and whole ecosystem respiration made in tussock tundra near Imnavait Creek during the growing seasons of 2010, 2011 and 2012. Measurements were made ...


75. Arctic Pollen Data [Canada_GSC_ArcticPollen]
This collection consists of some pollen slides collected from the Arctic.This data is used as a reference for comparison to data acquired through snow and ice core samples in the Arctic.


76. Arctic Transitions in the Land-Atmosphere System (ATLAS) Data at UCAR/JOSS/NOAA/CODIAC [ATLAS_UCAR_JOSS_NOAA_CODIAC]
The Land-Atmosphere-Ice Interactions (LAII) Arctic Transitions in the Land-Atmosphere System (ATLAS) program is designed as an interdisciplinary multi-year project with many investigators and varied ...


77. Arctic Tundra Flux Study in the Kuparuk River Basin (Alaska), 1994-1996 [fluxnet_alaska_629_1]
CO2 and water vapor fluxes and ecosystem characteristics were measured at 24 sites along a 317-km transect from the Arctic coast to the latitudinal treeline in Alaska during the growing seasons of ...


78. Arctic benthic invertebrate collection of the Zoological Institute of the Russian Academy of Science [ArcOD_2006B3]   PARENT METADATA
This dataset describes the Arctic component of the marine invertebrate collection of the Zoological Institute RAN (in Russian; in English: ZIN RAS Russian Academy of Sciences), one of the largest ...


79. Arctic soft-sediment macrobenthos (EUROBIS) [Eurobis_533]
Samples of the macrobenthic fauna of soft sediments were collected from around Svalbard during the 1991 Arctic EPOS cruise of RVPolarstern. Although faunal variability could be related to sediment ...


80. Area - population relationships for Adelie Penguin colonies at Mawson. [ASAC_1219_AAT_APen_M_Area]   PARENT METADATA
The relationship between colony area and population density of Adelie Penguins Pygoscelis adeliae was examined to determine whether colony area, measured from aerial or satellite imagery, could be ...


81. Area and Carbon Content of Sphagnum Since Last Glacial Maximum, in CDIAC/Trends Online [CDIAC_TRENDS_GAJEWSKI]
This data set consists of area and total carbon content estimated at 2000-year intervals, from the distribution and abundance of Sphagnum spores in North America and Eurasia over the past 21,000 years ...


82. Argentina GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Argentina]
Building on the success of previous radar data programs, GlobeSAR-2 is a four-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


83. Argonne Cutting Methods NH-25 Data Base [USDA0134]
To determine silviculture response to various even- and uneven-aged cutting treatments in northern hardwood forests. Also, to measure economic consequences of these treatments. Data include individual ...


84. Arkansas Biodiversity: The Vascular Flora [ARKANSAS_VASCULAR_FLORA]
To provide an overview of vascular plant distribution in Arkansas. Provides vascular plant distribution data for Arkansas counties. One may browse diversity/distribution maps for the Arkansas flora ...


85. Aroonstook Maine National Wildlife Refuge Boundary Data [USFWS_CSDS_arobnd]   PARENT METADATA
This dataset contains boundary layers for the Aroostook National Wildlife Refuge in Maine. National Wildlife Refuges are federal lands managed by the U.S. Fish and Wildlife Service (USFWS). The primary ...


86. Arthropod Checklist Authority files [Bishop_HBS_artchecklist]
The Hawaii Biological Survey's Terrestrial Arthropod Checklist is an authority file of terrestrial arthropod names for the Hawaiian Islands. Island ...


87. Arthropod Type Specimen Database [Bishop_HBS_ent]
The Gressitt Center Arthropod Types Database contains data for almost 16,000 type specimens. The type numbers are occupied by primary types except for ...


88. Arthropods of La Selva (ALAS) Database [EC_ALAS]
The Arthropods of La Selva Database (ALAS) contains approximately 127,000 Specimen records for approximately 8000 species of arthropods, illustrated by more than 1300 images. The collection data ...


89. Ashland Wildlife Research Area Bird Point Counts [USDA0135]
The purpose of this dataset is to monitor annual trends in abundance of forest birds. The data include bird detections at 96 points and are analyzed to monitor population trends. Collection Organization: ...


90. Ashland Wildlife Research Area Grouse Survey [USDA0136]
To determine density of drumming male grouse on study area. Data are currently used by FS scientists, University of Missouri and the Missouri Department of Conservation. Collection Organization: ...


91. Aspects of the Life History and Foraging Ecology of the Endangered Akiapolaau [brdpier0004]
Relative abundance, breeding ecology, annual survival, home range, and foraging ecology of the Akiapolaau (Hemignathus munroi), an endangered Hawaiian honeycreeper, were studied on the island of Hawaii. ...


92. Aspen Forest Cover by Stratum/Plot (SNF) [SNF_ASP_CVR_140_1]
Average percent coverage and standard deviation of each canopy stratum from subplots at each aspen site during the SNF study in the Superior National Forest, Minnesota


93. Assawoman Island Division of the Chincoteague National Wildlife Refuge in Virginia [USFWS_CSDS_asibnd]   PARENT METADATA
This data set contains boundary layers for the Assawoman Division of the Chincoteague National Wildlife Refuge in Virginia. National Wildlife Refuges are federal lands managed by the U.S. Fish and ...


94. Assessing Breeding Populations of Ducks by Ground Counts. [usgs_npwrc_ducks]
Waterfowl inventories taken during the breeding season are recognized as a basic technique in assessing the number of ducks per unit area. That waterfowl censusing is still an inexact technology leading ...


95. Assessing Contaminant Sensitivity of Endangered and Threatened Species Toxicant Classes. [usgs_brd_cerc_d_contamsens]
Under the Federal Insecticide, Fungicide and Rodenticide Act, the Toxic Substances Control Act and the Clean Water Act, the U.S. Environmental Protection Agency is charged with determining if the ...


96. Assessing UV-B induced DNA damage in Antarctic plants: is desiccation a compounding factor? [ASAC_1310]
Metadata record for data from ASAC Project 1310 See the link below for public details on this project. ---- Public Summary from Project ---- Increasing UV-radiation over Antarctica each spring may ...


97. Assessment of Habitat Requirements and Recruitment Dynamics for Young-of-the-year Bonefish Within Bear Cut Preserve, Florida [RSMAS_ML-001]
Bonefish (Albula vulpes) are spectacular sportfish capable of extreme speeds when hooked. They occur worldwide in warm subtropical and tropical coastal waters, from the nearshore extremely shallow ...


98. Assessment of Historical Phytoplankton Characteristics and Bloom Phenomena in the New York Harbor Estuarine and New York Bight Ecosystems [HRF_phytoplanktonchar]
The purpose of this study is to compile existing data sets so as to characterize normal and excessive (blooms) phytoplankton conditions and to determine the location, extent, ...


99. Assessment of Historical Phytoplankton Characteristics and Bloom Phenomena in the New York Harbor Estuarine and New York Bight Ecosystems - NYNJHEP_phytoplanktonchar [NYNJHEP_phytoplanktonchar]
The purpose of this study is to compile existing data sets so as to characterize normal and excessive (blooms) phytoplankton conditions and to determine the location, extent, ...


100. Assessment of Spatial and Temporal Distribution of Genetic Diversity in Atlantic Salmon (Salmo salar) [LSC_AtlanticSalmon]
The eastern coastal rivers of North America have historically supported anadromous populations of Atlantic salmon (Salmo salar). Numbers of these animals have declined due to overfishing and loss ...


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