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The basic principles underlying a four-discrete age group, logistic, growth model for the European lobster Homarus gammarus are presented and discussed at proof-of-concept level. The model considers reproduction, removal by predation, natural death, fishing, radiation and migration. Non-stochastic effects of chronic low linear energy transfer (LET) radiation are modelled with emphasis on Tc-99, using three endpoints: repairable radiation damage, impairment of reproductive ability and, at higher dose rates, mortality. An allometric approach for the calculation of LD50/30 as a function of the mass of each life stage is used in model calibration. The model predicts that at a dose rate of 1 Gy day(-1), lobster population...
The basic principles underlying a four-discrete age group, logistic, growth model for the European lobster Homarus gammarus are presented and discussed at proof-of-concept level. The model considers reproduction, removal by predation, natural death, fishing, radiation and migration. Non-stochastic effects of chronic low linear energy transfer (LET) radiation are modelled with emphasis on Tc-99, using three endpoints: repairable radiation damage, impairment of reproductive ability and, at higher dose rates, mortality. An allometric approach for the calculation of LD50/30 as a function of the mass of each life stage is used in model calibration. The model predicts that at a dose rate of 1 Gy day(-1), lobster population...
We used variation in a portion of the mitochondrial DNA control region to examine phylogeography of Tamiasciurus hudsonicus, a boreal-adapted small mammal in the central Rocky Mountain region. AMOVA revealed that 65.66% of genetic diversity was attributable to variation within populations, 16.93% to variation among populations on different mountain ranges, and 17.41% to variation among populations within mountain ranges. Nested clade analysis revealed two major clades that likely diverged in allopatry during the Pleistocene: a southern clade from southern Colorado and a northern clade comprising northern Colorado, Wyoming, eastern Utah, and eastern Idaho. Historically restricted gene flow as a result of geographic...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: DNA, Mitochondrial,
DNA, Mitochondrial: genetics,
Evolution, Molecular,
Genetica,
Genetics, Population,
Coal Mine Locations and coal production in tons.
Categories: Data;
Types: Downloadable;
Tags: Communication,
Culture,
Department of Geography,
Economy,
Environment,
This dataset was used in the Northern Great Basin Rapid Ecoregional Assessment by BLM. No changes were made to the data but the dataset selected California and clipped to the ecoregion boundary.
Population estimate 2010, 2020, 2060. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to carefully consider the content of the metadata file associated with these data. The BLM should be cited as the data source in any products derived from these data.
Flight Observation Units, also referred to as Bear Observation Areas (BOAs), were delineated by the Interagency Grizzly Bear Study Team (IGBST) to facilitate systematic aerial monitoring of the grizzly bear population within the Greater Yellowstone Ecosystem. Flight units were last updated in 2014 to depict 54 distinct observation areas spanning the spatial extent of the Demographic Monitoring Area established for the Yellowstone grizzly bear population.
Categories: Data;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Idaho,
Montana,
Wyoming,
Yellowstone,
Yellowstone,
These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. SWPA_alvbsn is a vector dataset of alluvial-fill basin statistics for the Southwest United States. Statistics for each basin include physical details such as area, landcover, elevation, slope and precipitation. Anthropogenic data for basin include landuse, population, and wateruse.
Categories: pre-SM502.8;
Tags: Arizona,
Basin and Range Province,
California,
Colorado,
Great Basin,
These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set represents 1990 population density by block group as a 100-m grid using data from the 1990 Census of Population and Housing (Public Law 94-171 redistricting data). Grid cell values represent population density in people per square kilometer multiplied by 10 so that the data could be stored as integer.
Categories: pre-SM502.8;
Tags: Census 1990,
Census short form,
Conterminous United States,
Demographic data,
NSDI,
Tribal communities are especially vulnerable to the effects of climate change because of their reliance on the natural environment to sustain traditional activities and their limited resources to respond to climate change impacts. At the same time, tribes have valuable traditional knowledge that can aid regional efforts to address climate change. There were two overarching goals of this project: The first was to build partnerships between South Central Climate Science Center (SC CSC) researchers and tribal communities, linking tribes with climate change tools and resources and developing a model that could be replicated in other regions. The second goal was to document tribal viewpoints on climate change impacts...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2012,
CASC,
Completed,
FY 2012,
Indigenous Peoples,
Storm events by county, 1950-April 2001. Storms include hail, thunderstorms, tornados, high winds events, and floods/flash flood events. Also includes storm magnitude, numbers of deaths and injuries and the amount of damage to property and crops. Source: NOAA, National Climatic Data Center Storm Events Database http://www4.ncdc.noaa.gov/cgi-win/wwwcgi.dll?wwEvent~storms
Categories: Data;
Types: Downloadable;
Tags: Communication,
Culture,
Department of Geography,
Economy,
Environment,
Future population projections for 2010-2020. Source: University of Wyoming Department of Geography, Dr. William Gribb, 2002.
Categories: Data;
Types: Downloadable;
Tags: Communication,
Culture,
Department of Geography,
Economy,
Environment,
Earthquakes, 1897-2001.
Categories: Data;
Types: Downloadable;
Tags: Communication,
Culture,
Department of Geography,
Economy,
Environment,
Tornados, 1955-1995. Source: Storm Prediction Center, NOAA, National Weather Service http://www.spc.noaa.gov/archive/tornados/.
Categories: Data;
Types: Downloadable;
Tags: Communication,
Culture,
Department of Geography,
Economy,
Environment,
Scenic drives in Wyoming, including scenic highways and backcountry byways. Source: Scenic Highways http://www.byways.org/.
Categories: Data;
Types: Downloadable;
Tags: Communication,
Culture,
Department of Geography,
Economy,
Environment,
Cette couche SIG rassemble tous les lieux habités de la République centrafricaine; y sont rassemblés tous les villages de tailles importantes, les chefs-lieux de sous-préfecture, les capitales régionales (capitale de préfecture) et la capitale du pays. Cette couche SIG a été obtenue à partir des relevés-terrains (prises de points GPS) par le Bureau Central de Recensement (BCR) de la République centrafricaine, réalisés en 2003. This dataset aggregates all of the inhabited places of the Central African Republic, including villages and important places, courthouses, regional capitals and the capital of the country. These data was obtained from topographic maps with GPS points by the Central Census Office (BCR) of...
Cette couche SIG affiche la localisation des villes du Gabon, realisees a partir de cartes topographiques au 1:200 000. Cette couche SIG a ete realisee par le World Resources Institute dans l'objectif de production de la version pilote de l'Atlas forestier interactif du Gabon. Les donnees sources proviennent du Projet Foret et Environnement (PFE-1999/2000), ameliorees par l'Institut National de Cartographie (INC) en 2003 dans le cadre de la production de la "BD2". This dataset shows the locations of towns in Gabon. It was produced using a 1:200,000 topographic map. This dataset was created by the World Resource Institute for the Interactive Forest Atlas of Gabon. The source data were provided by the Forest and...
This dataset depicts population by administrative district in the Mesoamerica region. Includes estimated population count (people) and density (people per sq. km.) for 1995.
SWPA_alvbsn is a vector dataset of alluvial-fill basin statistics for the Southwest United States. Statistics for each basin include physical details such as area, landcover, elevation, slope and precipitation. Anthropogenic data for basin include landuse, population, and wateruse. The displayed value in Data Basin is a multi-attribute value portraying total (ground and surface) water use in acre-feet per year per square kilometer (WU_TOT_AF / AREA_SQ_KM).
U.S. States (Generalized) represents the fifty states and the District of Columbia of the United States. The Northwest Climate Science Center (NW CSC) Science Agenda outlines the overall science direction for the NW CSC in 2012-2016. It forms an integral part of the NW CSC Strategic Plan for 2012-2016 and was developed with input from cultural and natural resource managers in the Northwest. The Science Agenda guides the NW CSC and its Executive Stakeholder Advisory Committee ( ESAC) in the identification of annual and long-term research priorities to be funded by the NW CSC.
Categories: Publication;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Northwest CASC,
States,
U.S. States,
United States,
area,
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