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This geologic map database is a reproduction of U.S. Geological Survey Miscellaneous Investigations Map I–2362: “Geologic Map and Structure Sections of the Clear Lake Volcanics, Northern California” (Hearn, Donnelly-Nolan, and Goff, 1995). The database consists of a geologic map, three structural cross sections and a table of petrographic data for each map unit by mineral type, abundance, and size. The Clear Lake Volcanics are in the California Coast Ranges about 150 km north of San Francisco. This Quaternary volcanic field has erupted intermittently since 2.1 million years ago. This volcanic field is considered a high-threat volcanic system (Ewert and others, 2005). The adjacent Geysers geothermal field, the largest...
This data release contains a national compilation of state-level qualitative and quantitative guidance for a variety of environmental indicators that are used to identify the presence of a harmful algal bloom (HAB) in freshwater ecosystems. These include qualitative guidelines based on visual or olfactory signals, as well as quantitative guidelines based on cyanotoxin concentrations, algal biomass density, and chlorophyll a concentrations. Many states in the United States have adopted guidelines based on recommendations from the U.S. Environmental Protection Agency or the World Health Organization. However, a few states have also developed their own guidelines. We are specifically focused on fresh, inland waters...
Categories: Data;
Tags: Environmental Health,
USGS Science Data Catalog (SDC),
United States,
Water Quality,
algae,
Protected lands within the Mississippi River Basin (MRB).The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public open space and voluntarily provided, private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastral Theme (http://www.fgdc.gov/ngda-reports/NGDA_Datasets.html). PAD-US is an ongoing project with several published versions of a spatial database of areas dedicated to the preservation of biological diversity, and other natural, recreational or cultural uses, managed for these purposes through legal or other effective means. The geodatabase maps and describes public open space and other protected areas....
Categories: Data;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Agricultural Research Service,
Alabama (AL),
Alaska (AK),
American Samoa (AS),
Arizona (AZ),
Describing the social network that links the interconnected partners is the first step to leverage the network’s capacity to be greater than the sum of its parts. The Northwest Boreal Landscape Conservation Cooperative partners and a social network scientist are applying social network theory to create a system of nodes and edges of a Conservation Social Network. The LCC partners were surveyed in 2015 and again in 2018, in order to measure the dynamics of partner communication. From this research, the partnership aims to better leverage partner expertise and better facilitate collaboration across geographic and organizational boundaries.
Categories: Data,
Project;
Tags: Academics & scientific researchers,
COMMUNICATIONS,
COMMUNICATIONS,
COMMUNICATIONS,
COMMUNICATIONS,
This archive contains the input data for the conceptual well locations for the logistic mapping. Data were computed for either the well location or within a buffer area of the well location, as specified in the parameter definition.
This archive contains the logistic mapping output vulnerability difference rasters at the conceptual well locations. Data are provided in rasters containing the differences between estimated probabilities of nitrate concentrations greater than 2 milligrams per liter at hypothetical 150 feet and 300 feet deep wells for sequential five-year categories when one or both of the predicted probabilities was equal to or greater than 50 percent.
Categories: Data;
Types: Downloadable,
GeoTIFF,
Map Service,
Raster;
Tags: Drinking Water,
Groundwater,
Puget Sound,
Washington,
Wells,
The Southeast Natural Resource Leaders Group has undertaken the Landscape Conservation and Restoration Pilot Project (LCRPP) to provide Federal leadership in natural resource protection that will accomplish three goals. The first goal is to develop a consistent approach to understanding the shared values of the natural resource agencies. These values are embedded within the funding objectives used to protect important natural, cultural, and social resources in the Southeast. The second goal is to develop shared tools that can assist local communities in protecting important landscapes from climate change and other potential risks. The third goal is to establish a common framework of accountability that provides...
Surveys for immature life stages of the Samoan swallowtail butterfly (Papilio godeffroyi) were conducted on 117 individually marked host trees (Micromelum minutum) in eight forest stands on Tutuila Island, American Samoa, at approximately monthly intervals during 2013-2014. The eight stands were mostly in or adjacent to the National Park of American Samoa (NPSA), but one stand was sampled near the western tip of Tutuila, outside NPSA. An additional 74 host trees were assessed for phenological status in the eight stands but were not surveyed for Papilio. This dataset contains information on the area and number of host trees surveyed for Papilio or phenology in each stand.
Categories: Data;
Tags: American Samoa,
National Park of American Samoa,
Tutuila,
biota,
forest stand,
The Forest to Faucets dataset provides a watershed index of surface drinking water importance, a watershed index of forest importance to surface drinking water, and a watershed index to highlight the extent to which development, fire, and insects and disease threaten forests important for surface drinking water. This layer displays the percent of the HUC watershed that is threatened bu insects and disease. For further information, see the methods paper titled, “From the Forest to the Faucet: Drinking Water and Forests in the US” located at http://www.fs.fed.us/ecosystemservices/FS_Efforts/forests2faucets.shtml.
Data represent presence/absence for cedar decline occurrence. Cedar decline refers to the dying or decline of yellow-cedar (Chamaecyparis nootkatensis) forests in Southeast Alaska and is characterized by red or yellow foliage in trees currently dying, or by white-gray snags of old mortality. Mapped snags can be standing dead as long as eighty years. The data were collected via aerial sketch mapping techniques and recorded on 1:250,000 USGS base maps from 500-3000 foot above ground level(AGL) observations. Survey coverage has been most intense for forests adjacent to shorelines and waterways. Data are collected, refined and updated on an annual basis. This data represent not one year's mortality but the cumulative...
Categories: Data;
Types: ArcGIS REST Map Service,
Map Service;
Tags: Aerial,
Alaska,
Damage,
Disease,
Forest,
There have been increasing concerns regarding the decline in moose numbers along the southern range of their North American distribution. This has prompted varied research efforts to determine the factors contributing to the reduced local populations. Although heat stress from increasing temperatures could be a potential factor for declining populations in Minnesota, temperature increases have also occurred in New York, Massachusetts, and Connecticut where populations have been expanding in recent years. Alternatively, indirect climate effects from warmer temperatures may be playing a role, such as increased prevalence of parasites (e.g., brainworm, winter tick) to levels lethal to moose. Additionally, factors such...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2016,
CASC,
Genomics,
Health,
Mammals,
The data consist of blood chemistry and hematology from sea otters captured at sites along the Aleutian archipelago, the Alaska Peninsula, the Gulf of Alaska, and Prince William sound between 2004 and 2012. The data include the blood chemistry and hematology findings as well as general capture location, if the sea otter population in that area is declining, capture date, age estimate, age class, sex, and a unique sea otter number connecting the sample to gene expression data.
Categories: Data;
Tags: Eastern Aleutian Islands,
Gulf of Alaska,
Kodiak Island,
Prince William Sound,
Western Aleutian Islands,
Three datasets are included: 1) survival of domesticated canaries and American crows following sub-cutaneous challenges ranging from 101 – 105 plaque forming units of West Nile virus. 2) Arbitrary units of WNV detected by RT-PCR or plaque forming units of WNV cultured in vero cells in 4 separate studies. Culture results are indicated for each day post WNV challenge. 3) Weight (mass) changes in grams in canaries and crows each day following WNV challenge. Day 0 (inoculation) set to 0 gms, then each subsequent day is change in gms from previous day.
Categories: Data;
Tags: American crow,
American singer canary,
Animal model,
National Wildlife Health Center,
USGS Science Data Catalog (SDC),
Heavy and light mineral separates were extracted from the 36 collected field samples following a USGS procedure (Strong and Driscoll, 2016) and analyzed using the handheld portable X-ray fluorescence (pXRF) analyzer as part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI), in groundwater. Data will be used to estimate naturally-occurring background Cr(VI) concentrations upgradient, near the plume margins, and downgradient from a mapped Cr(VI) contamination plume near Hinkley, CA (Izbicki and Groover, 2016). These pXRF results are part of a data release including grain size distribution, photographic and associated chemical and mineral analysis data for 36...
Categories: Data;
Tags: California,
Hinkley,
atomic emission spectroscopy,
background level,
chemical analysis,
This feature class includes monitoring data collected nationally to understand the status, condition, and trend of resources on BLM lands. Data are collected in accordance with the Interpreting Indicators for Rangeland Health (IIRH) method. The IIRH method is a qualitative assessment of rangeland health, defined as "the degree to which the integrity of the soil, vegetation, water, and air, as well as the ecological processes of the rangeland ecosystem are balanced and sustained." Attributes include the final rating for IIRH indicators: hydrologic function, biotic integrity, and soil/site stability (see Entity/Attribute Section for exact details on attributes). Data were collected and managed by BLM Field Offices,...
This data represents areas of forest damage due to insect infestation, fire, flood, landslides, and windthrow. The information was collected, cooperatively by aerial surveys by both the USFS, Forest Health Protection (FHP) and ADNR, Div. of Forestry. Surveys are conducted primarily in July and August so that pest "signatures" may be identified during the optimal period for symptom development of ocular estimation. The aerial survey is coordinated such that the maximum extent of recent bark beetle damage (fading trees) and insect defoliation (discoloration, foliage loss) patterns may be determined. Surveys are flown in Southeast Alaska, Southcentral Alaska and Interior Alaska. The data represents a 10 year cumulative...
2010 USDA Forest Service, Rocky Mountain Region Aerial Detection Survey Data. This data depicts the occurrence and location of forest insect, disease, and other biotic and abiotic causes of tree mortality and tree damage. Aerial survey data is collected by observing areas of tree damage or tree mortality from an aircraft and manually recording the information onto a map. Due to the nature of aerial surveys, this data will only provide rough estimates of location, intensity and the resulting trend information for agents detectable from the air. Many of the most destructive diseases are not represented in the data because these agents are not detectable from aerial surveys. The data presented should only be used as...
Continuous 15-minute time-series suspended-sediment concentration data computed from instream turbidity data. Turbidty data is managed by California Department of Water Resources (CDWR) using a YSI 6-series multi-parameter water quality sonde. Complete methods for turbidity data collection are described in attached methods document.
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: California,
Geomorphology,
Hydrology,
Old River,
Sacramento-San Joaquin Delta,
These data are nutrition, economic value, and climate vulnerability of inland recreational consumption by country. The dietary contribution is measured as calcium, omega-3 long-chain polyunsaturated fatty acids docosahexaenoic acid and eicosapentaenoic acid (hereafter referred as DHA+EPA), iron, protein, vitamin B12, and zinc supply. The economic contribution is measured as total consumptive use value [TCUV]). The climate vulnerability follows Nyboer et al. 2021, comparing four climate change scenarios.
Categories: Data;
Tags: Aquatic Biology,
USGS Science Data Catalog (SDC),
biota,
climatologyMeteorologyAtmosphere,
economy,
This data release documents chemical analyses of environmental samples collected by the U.S. Geological Survey (USGS) in Lakeport (Lake County, California) during July 11-12, 2022. Environmental samples were collected at selected sites to assess the effects of lead-based paint on soil chemistry. This sampling was made as part of a broader study to attribute sources of lead in soils in cooperation with the California Department of Toxic Substances Control (DTSC) for their Lead-Acid Battery Recycling Facility Investigation and Cleanup (LABRIC) program. Results of soil sampling and chemical analyses are included in the data-release component entitled "Soils chemistry from selected sites in Lakeport, Lake County, California"...
Categories: Data Release - Revised;
Tags: California,
Environmental Health,
Geochemistry,
Lake County,
Lakeport,
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