309 datasets found for "Population Density"
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Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for farmfertilizer (gwava-dw_ffer)
Department of the Interior —
This data set represents the average annual nitrogen input from commercial fertilizer applied to agricultural lands, 1992-2001, in kilograms per hectare, in the... -
Federal
Klamath Oregon/California time series (2018-2068) of potential habitat and 50-year change
Department of the Interior —
Potential future greater sage-grouse (Centrocercus urophasianus) habitat restoration was projected (2018-2068) for three sage-grouse Priority Area for Conservation... -
Federal
LANDFIRE 2016 Remap Existing Vegetation Type (EVT) Micronesia
Department of the Interior —
LANDFIRE's (LF) 2016 Remap (Remap) Existing Vegetation Type (EVT) represents the current distribution of the terrestrial ecological systems classification developed... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for sandstone and carbonate rocks (gwava-dw_sscb)
Department of the Interior —
This data set represents the presence or absence of sandstone and carbonate rock aquifers in the conterminous United States. The data set was used as an input data... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for drainage ditch (gwava-s_ddit)
Department of the Interior —
This data set represents the area of National Resources Inventory surface drainage, field ditch conservation practice, in square kilometers, in the conterminous... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Population Density from U.S. Block-Level Population Density Rasters for 2010
Department of the Interior —
This tabular data set represents population density, persons per square kilometer from 2010 Census block level data, processed by James Falcone (USGS, 2016), compiled... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Model output data set (gwava-dw_out)
Department of the Interior —
This data set represents predicted nitrate concentration in ground water used for drinking, in milligrams per liter, in the conterminous United States, and was... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for confined manure (gwava-dw_conf)
Department of the Interior —
This data set represents the average annual nitrogen input from confined animal manure, 1992 and 1997, in kilograms per hectare, in the conterminous United States.... -
Federal
LANDFIRE 2016 Remap National Vegetation Classification (NVC) Micronesia
Department of the Interior —
LANDFIRE's (LF) 2016 Remap (Remap) National Vegetation Classification (NVC) represents the current distribution of vegetation groups within the U.S. National... -
Federal
Data Supporting Walrus Areas of Use in the Chukchi Sea During Sparse Sea Ice Cover
Department of the Interior —
The dataset consists of geospatial files depicting the estimated June-to-November distribution of walrus foraging and occupancy during a four year period of sparse... -
Federal
LANDFIRE 2016 Remap Existing Vegetation Type (EVT) Puerto Rico US Virgin Islands
Department of the Interior —
LANDFIRE's (LF) 2016 Remap (Remap) Existing Vegetation Type (EVT) represents the current distribution of the terrestrial ecological systems classification developed... -
Federal
LANDFIRE 2016 Remap National Vegetation Classification (NVC) American Samoa
Department of the Interior —
LANDFIRE's (LF) 2016 Remap (Remap) National Vegetation Classification (NVC) represents the current distribution of vegetation groups within the U.S. National... -
Federal
LANDFIRE 2016 Remap Existing Vegetation Type (EVT) Guam Northern Mariana Islands
Department of the Interior —
LANDFIRE's (LF) 2016 Remap (Remap) Existing Vegetation Type (EVT) represents the current distribution of the terrestrial ecological systems classification developed... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for water input (gwava-s_wtin)
Department of the Interior —
This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous... -
Federal
Census_sum_15
Department of the Interior —
The GIS layer "Census_sum_15" provides a standardized tool for examining spatial patterns in abundance and demographic trends of the southern sea otter (Enhydra... -
Federal
Zooplankton, Benthos, Mysis, and fish diet data from northern Lake Huron in 2012
Department of the Interior —
These data consist of a multi-trophic, day vs. night, nearshore to offshore transect approach for data collection for this Cooperative Science and Monitoring... -
Federal
Lake Erie Pelagic Prey Fish Community Data, 2022-2024
Department of the Interior —
Since 2005, the U.S. Geological Survey - Great Lakes Science Center's Lake Erie Biological Station (LEBS) has participated in a collaborative, multiagency effort to... -
Federal
Ecological Model Support for the Western Everglades Restoration Project (WERP) Round Five, 2023
Department of the Interior —
Ecological models facilitate evaluation of alternative approaches to restore the Greater Everglades ecosystem. However, the provision of useful and accessible models... -
Federal
Cape Lookout, North Carolina 2012 National Wetlands Inventory Habitat Classification
Department of the Interior —
In the face of sea level rise and as climate change conditions increase the frequency and intensity of tropical storms along the north-Atlantic Coast, coastal areas... -
Federal
Western sandpiper diet composition in south San Francisco Bay, CA
Department of the Interior —
Diet composition can be influenced by age- and sex-related factors including an individual’s morphology, social status, and acquired skills; however, specialization...
309 datasets found for "Population Density"