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13 Titles Match Your Query
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1. Distribution Maps of Amphibians in the Sierra Nevada [CA_ICE_AQUADIV_distributionmapsamphibians]
There are 32 amphibian taxa currently found in the Sierra Nevada region of California. Thirty of these taxa are native species or subspecies; nine are frogs and toads and twenty-one are salamanders. ...


2. Amphibian Studies in the Bighorn Crags, Salmon River Mountains, Idaho, 1994-2011 [USGS_FRESC_BighornCrags_Amphibians]
ABSTRACT: Data are contained in two Microsoft Excel spreadsheets (archived in comma delimited formats) that describe abiotic and biotic study site characteristics in water bodies of the Bighorn Crags, ...


3. North Coast and Cascades Network consolidated amphibian database (1984-2005) [USGS_FRESC_ConsolidatedAmphibianDatabase]
ABSTRACT: This data set is an amalgamation of twenty-nine original data sets, which represent amphibian surveys in the seven Parks comprising the North Coast and Cascades Network of the National Park ...


4. Southern Rocky Mountains ARMI (Amphibian Research and Monitoring Initiative) - Survey Data [USGS_FORT_SRockyMtns_ARMI]
In 2000, the President of the United States and the Congress directed the Department of the Interior (DOI) agencies to develop a plan to initiate monitoring of trends in amphibian populations on DOI ...


5. Biological and Ecological Characteristics of Terrestrial Vertebrate Species Residing in Estuaries [USGS_PWRC_BioEco]
ABSTRACT: The Biomonitoring of Environmental Status and Trends (BEST) program is designed to assess and monitor the effects of environmental contaminants on biological resources, particularly those ...


6. Invasive Crayfish in the Pacific Northwest [USGS_FRESC_Pac_NW_invasive_crayfish]
Biological invasions can have dramatic effects on freshwater ecosystems and introduced crayfish can be particularly impacting. We document crayfish distribution in three large hydrographic basins ...


7. 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 ...


8. Gridded Species Distribution, Version 1: Global Amphibians Family Richness Grids [CIESIN_SEDAC_SPECIES_AMP_RICH]
Global Amphibians Family Richness Grids of the Gridded Species Distribution, Version 1 are aggregations of the presence grids data at the family level. They are available in 30-arc second (1 kilometer) ...


9. 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 ...


10. Histological Assessment of ultraviolet B radiation effects on boreal toads, other amphibians, and selected fish species [LSC_ultravioletBtoads]
Populations of many amphibian species, in a variety of habitats, are in severe decline, while others show no apparent declines. Ultraviolet-B radiation (UVB) has been suggested as a contributing factor. ...


11. Gridded Species Distribution, Version 1: Global Amphibians Original Grids [CIESIN_SEDAC_SPECIES_AMP_ORIG]
The Global Amphibians Original Grids of the Gridded Species Distribution, Version 1 are converted 1- kilometer grid cell data available in the Geographic Coordinate System (GCS). The input vector ...


12. Gridded Species Distribution, Version 1: Global Amphibians Presence Grids [CIESIN_SEDAC_SPECIES_AMP_PRES]
The Global Amphibians Presence Grids of the Gridded Species Distribution, Version 1 is a reclassified version of the original grids of amphibian species distribution maps. The data include 1- kilometer ...


13. Use of Amphibian Communities as Indicators of Restoration Success [USGS_SOFIA_amphib_success_04]
We will use established sampling methodologies such as mark-recapture to investigate survival, movement, and density, develop new methods for sampling across hydroperiod gradients (drift fence arrays), ...


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