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Filters Date Range Past year (4) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (3) OGC WFS Layer (3) OGC WMS Layer (3) OGC WMS Service (3) Citation (1) Contacts Walter J Sadinski U.S. Geological Survey - ScienceBase Adrian J Das Western Ecological Research Center Ecosystems More... Categories Data Release - Revised (2) Tag Types Place (24) Theme (23) USGS Scientific Topic Keyword (10) Harvest Set (14) Label (2) Science Themes (2) Wildlife and Plants (2) Tag Schemes Geographic Names Information System (GNIS) (3) None (18) USGS Protected Areas Database of the United States (PAD-US) (1) NA (2) USGS Thesaurus (10) ISO 19115 Topic Category (19) Common geographic areas (3) More... View Results as: JSON ATOM CSV

Mortality factors for dead trees from a subset of plots from the Sierra Nevada Forest Dynamics Plot Network from 1998 to 2010 This dataset was used to summarize and analyze the mortality factors recorderd on dead trees in the Sierra Nevada Forest Dynamics Plot Network, which is managed by the Sequoia and Kings Canyon Field station of the U.S. Geological Survey's Western Ecological Research Center. Each row of the dataset represents an individual dead tree. These are dead trees that were recorded in the network from 1998 to 2010 for the subset of plots as described in the associated manuscript; These data support the following: Das, A.J., Stephenson, N.L., Davis, K.P. 2016. Why do trees die? Characterizing the drivers of background tree mortality. Ecology. 97(10): 2616-2627, https://doi.org/10.1002/ecy.1497 Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Sequoia-Kings Canyon National Park, Sierra Nevada, USGS Science Data Catalog (SDC), Yosemite National Park, bark beetles, All tags... tree mortality, tree mortality factors, tree pathogens, Fewer tags Sequoia and Yosemite National Parks Mortality and Fire Data (1990-2019) for Competition-Fire-Drought Interaction Analysis This dataset records mortality-- including involvement of bark beetles-- and burn severity information for trees in long term forest dynamics plots in Sequoia National Park and Yosemite National Park that experienced fire. These data support the following publication: Furniss, T.J., Das, A.J., van Mantgem, P.J., Stephenson, N.L. and Lutz, J.A., 2021. Crowding, climate, and the case for social distancing among trees. Ecological Applications, p.e2507, https://doi.org/10.1002/eap.2507 Categories: Data; Tags: California, Forestry, Sequoia National Park, Sierra Nevada, USGS Science Data Catalog (SDC), All tags... Yosemite National Park, bark beetle, biota, fires, forest ecosystems, insects, plot sampling, temperate forest, tree mortality, Fewer tags Density Estimates from Line Transect Sampling (individuals per km^2) Density estimates of four mammal species in the upper subalpine and alpine zones of the Sierra Nevada range, 2008 - 2012. The estimates were derived from variable distance data collected 3-4 per year along each of 21 transects (10 km in length). The transects were randomly selected from a pool of 53 potential routes. Nine transects were sampled in 2008, 12 were sampled in 2009, 19 were sampled in 2010, 21 were sampled in 2011, and 17 were sampled in 2012. All counts were done in July and August each year. Replicate samples within a given year were done within 2-8 days of each other. All counts were done by single observers. The spreadsheet has six worksheets, including three with density estimates for each species... Categories: Data; Tags: Abundance, Alpine, Belding's ground squirrel, Distance sampling, Golden-mantled ground squirrel, All tags... Habitat, Humboldt-Toiyabe National Forest, Inyo National Forest, Line transect counts, Mammals, Marmot, National CASC, Occupancy, Pika, Sequoia & Kings Canyon National Parks, Sierra National Forest, Sierra Nevada, Stanislaus National Forest, Wildlife and Plants, Yosemite National Park, Fewer tags Yosemite Toad (Anaxyrus canorus) project datasets; climate, disease, predation, and hatching success data These data are associated with an article published in Global Ecology and Conservation (https://doi.org/10.1016/j.gecco.2020.e01173) that describes climate's cascading effects on disease, predation, and hatching sucess in the Yosemite toad (Anaxyrus canorus). The Yosemite toad currently is federally listed as threatened under the U.S. Endanered Species Act based upon reported population declines and vulnerability to climate and other global-change factors. The species occurs only in California’s central Sierra Nevada at medium to sub-alpine elevations. Lands throughout its range largely are protected from development, but climate and other global-change factors potentially can limit populations. Categories: Data; Tags: Inyo National Forest, Saprolegnia diclina, Sierra Nevada, Sierra Nevada, Tioga Pass, CA, All tags... UV-B, Yosemite National Park, biota, disease, embryo mortality, freezing, predatory flatworms, sub-alpine wetlands, Fewer tags Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 9.0, November 2023) Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks collected as part of the Dragonfly Mercury Project (DMP). This data release supersedes Eagles-Smith, C.A., Nelson, S.J., Flanagan-Pritz, C.M., Willacker Jr., J.J., and Klemmer, A.J., 2018, Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 8.0, December 2022): U.S. Geological Survey data release, https://doi.org/10.5066/P9TK6NPT. Please contact fresc_outreach@usgs.gov for access. Categories: Data, Data Release - Revised; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Amistad National Recreation Area, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, All tags... Aquatic Biology, Assateague Island National Seashore, Battle Creek Cypress Swamp, Bear Creek Lake Park, Bear Meadows Natural Area, Big Bend National Park, Big Cypress National Preserve, Big Thicket National Preserve, Buffalo National River, Cape Cod National Seashore, Capitol Reef National Park, Carl Sandburg Home National Historic Site, Carlsbad Caverns National Park, Channel Islands National Park, Chattahoochee River National Recreation Area, Chickasaw National Recreation Area, City of Rocks National Reserve, Colorado National Monument, Congaree National Park, Crater Lake National Park, Craters of the Moon National Monument & Preserve, Cuyahoga Valley National Park, Death Valley National Park, Delaware Water Gap National Recreation Area, Denali National Park and Preserve, Devils Tower National Monument, East Inlet Natural Area-Connecticut Lakes Nature Preserve, Ecology, Ell Pond Preserve, Everglades National Park, Fort Larned National Historic Site, Fort Worth Nature Center and Refuge National Natural Landmark, Gateway National Recreation Area, Glacier Bay National Park & Preserve, Glacier National Park, Glen Canyon National Recreation Area, Golden Gate National Recreation Area, Grand Canyon National Park, Grand Portage National Monument, Grand Teton National Park, Great Basin National Park, Great Sand Dunes National Park, Great Smoky Mountains National Park, Gulf Islands National Seashore, Hawaii Volcanoes National Park, Homestead National Monument, Horseshoe Bend National Military Park, Hot Springs National Park, Indiana Dunes National Park, Isle Royale National Park, Jean Lafitte National Historical Park and Preserve, John Day Fossil Beds National Monument, Joshua Tree National Park, Katahdin Woods and Waters National Monument, Katmai National Park and Preserve, Kenai Fjords National Park, Kenilworth Park & Aquatic Gardens, Klondike Gold Rush National Historical Park, Knife River Indian Villages National Historic Site, Lake Clark National Park and Preserve, Lassen Volcanic National Park, Lewis and Clark National Historical Park, Lilley Cornett Woods, Mammoth Cave National Park, Marsh-Billings-Rockefeller National Park, Maurice National Wild and Scenic River, Minute Man National Historical Park, Mississippi National River & Recreation Area, Monocacy National Battlefield, Montezuma Castle National Monument, Mount Rainier National Park, Natchez Trace Parkway and National Scenic Trail, New River Gorge National Park and Preserve, Niobrara National Scenic River, North Cascades National Park, Ocmulgee Mounds National Historical Park, Olympic National Park, Oregon Caves National Monument, Ozark National Scenic Riverway, Padre Island National Seashore, Petersburg National Battlefield, Pictured Rocks National Lakeshore, Pinnacles National Park, Pipestone National Monument, Prince William Forest Park, Pu'ukohola Heiau National Historic Site, Redwood National Park, Richmond National Battlefield Park, Rio Grande Wild & Scenic River, Rock Creek Park, Rocky Mountain National Park, Roosevelt-Vanderbilt National Historic Sites, Saguaro National Park, Saint Croix National Scenic Riverway, Saint-Gaudens National Historic Site, San Juan Island National Historical Park, Santa Monica Mountains National Recreation Area, Sequoia & Kings Canyon National Parks, Shenandoah National Park, Sleeping Bear Dunes National Lakeshore, Sudbury, Assabet & Concord Wild & Scenic Rivers, Tallgrass Prairie National Preserve, Timucuan Ecological Historic Preserve, Tumacacori National Historical Park, Tuzigoot National Monument, USGS Science Data Catalog (SDC), Upper Delaware Scenic and Recreational River, Valles Caldera National Preserve, Voyageurs National Park, Water Quality, Weir Farm National Historical Park, Wekiva Wild & Scenic River, White Mountain National Forest, Wildlife Biology, Wind Cave National Park, Women’s Rights National Historical Park, Yellowstone National Park, Yosemite National Park, Zion National Park, biota, environment, mercury contamination, Fewer tags Seed Source, Not Drought, Determines Patterns of Seed Production in Sierra Nevada Conifers (ver. 2.0, January 2023) This release consists of data collected from 26 plots in two national parks over a 19-year period. The data consists of plot-level seed counts for three genera, number of seed traps, live tree basal area, plot area, and climate metrics from the gridmet gridded data set, the daymet gridded data set, the PRISM gridded data set, and two nearby COOP stations. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Holocene, Sequoia-Kings National Park, Terrestrial surface, USGS Science Data Catalog (SDC), All tags... Yosemite National Park, biota, coniferous trees, current, drought and seed production, forest ecosystems, long-term ecological monitoring, spring (season), summer, time series datasets, Fewer tags Subalpine meadow plant communities in Yosemite and Sequoia and Kings Canyon National Parks, 2011-2012 This publication presents data collected within meadows from samples used to assess meadow plant community responses to recreational pack stock as part of a USGS Natural Resources Preservation Project. High elevation meadows are a vital ecological component of mountain systems throughout western North America. They provide critical habitat for wildlife, supply key ecosystem services, and are favored destinations for people visiting the mountains. The biophysical characteristics of meadows are highly variable, especially related to hydrologic regimes and associated plant community types. In the semi-arid landscape of the Sierra, water availability operates at multiple scales strongly influencing meadow plant community... Categories: Data; Types: Citation; Tags: Meadows, Pack Stock, Plant Communities, Sequoia and Kings Canyon National Parks, Sierra Nevada, All tags... USGS Science Data Catalog (SDC), Yosemite National Park, Fewer tags Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as biosentinels through a citizen science framework. Categories: Data; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, Aquatic Biology, All tags... Battle Creek Cypress Swamp, Bear Creek Lake Park, Bear Meadows Natural Area, Big Bend National Park, Big Cypress National Park, Big Thicket National Preserve, Buffalo National River, Cape Cod National Seashore, Capitol Reef National Park, Carl Sandburg Home National Historic Site, Channel Islands National Park, Chickasaw National Recreation Area, Colorado National Monument, Congaree National Park, Cuyahoga Valley National Park, Death Valley National Park, Delaware Water Gap National Recreation Area, Denali National Park and Preserve, Devils Tower National Monument, East Inlet Natural Area-Connecticut Lakes Nature Preserve, Ecology, Environmental Health, Everglades National Park, Fort Worth Nature Center and Refuge National Natural Landmark, Gateway National Recreation Area, Glacier Bay National Park & Preserve, Glacier National Park, Glen Canyon National Recreation Area, Golden Gate National Recreation Area, Grand Canyon National Park, Grand Portage National Monument, Grand Teton National Park, Great Basin National Park, Great Sand Dunes National Park, Great Smoky Mountains National Park, Gulf Islands National Seashore, Hawaii Volcanoes National Park, Homestead National Historic Site, Hot Springs National Park, Indiana Dunes National Park, Isle Royale National Park, Jean Lafitte National Historical Park and Preserve, John Day Fossil Beds National Monument, Katahdin Woods and Waters National Monument, Katmai National Park and Preserve, Kenilworth Park & Aquatic Gardens, Klondike Gold Rush National Historical Park, Knife River Indian Villages National Historic Site, Lake Clark National Park, Lassen Volcanic National Park, Lewis and Clark National Historical Park, Mammoth Cave National Park, Marsh-Billings-Rockefeller National Park, Maurice National Wild & Scenic River, Minute Man National Historical Park, Mississippi National River & Recreation Area, Monocacy National Battlefield, Montezuma Castle National Monument, Mount Rainier National Park, Natchez Trace Parkway and National Scenic Trail, Niobrara National Scenic River, North Cascades National Park, Olympic National Park, Oregon Caves National Monument, Ozark National Scenic Riverway, Padre Island National Seashore, Pictured Rocks National Lakeshore, Pinnacles National Park, Pipestone National Monument, Prince William Forest Park, Pu'ukohola Heiau National Historic Site, Redwood National Park, Richmond National Battlefield Park, Rock Creek Park, Rocky Mountain National Park, Roosevelt-Vanderbilt National Historic Sites, Saguaro National Park, Saint Croix National Scenic Riverway, Saint-Gaudens National Historic Site, San Juan Island National Historical Park, Santa Monica Mountains National Recreation Area, Saugus Iron Works National Historic Site, Sequoia & Kings Canyon National Parks, Shenandoah National Park, Sleeping Bear Dunes National Lakeshore, Tallgrass Prairie National Preserve, Timucuan Ecological Historic Preserve, Tumacacori National Historical Park, Tuzigoot National Monument, USGS Science Data Catalog (SDC), Upper Delaware Scenic and Recreational River, Valles Caldera National Preserve, Voyageurs National Park, Water Quality, Weir Farm National Historic Site, Wildlife Biology, Wind Cave National Park, Women’s Rights National Historical Park, Yellowstone National Park, Yosemite National Park, Zion National Park, biota, environment, mercury contamination, Fewer tags Density Estimates from Point Count Sampling (individuals per hectare) Density estimates of four mammal species in the upper subalpine and alpine zones of the Sierra Nevada range, 2008 - 2012. The estimates were derived from variable distance data collected 3-4 times per year at point count stations randomly located along line transects. There were 21 transects (10 km in length) that had been randomly selected from a pool of 53 potential routes, with 10 point count stations along each transect (minimum of 200 m spacing between stations). 45 stations were sampled in 2008 (5 stations on each of 9 transects), 60 stations were sampled in 2009 (5 stations on each of 12 transects),190 stations were sampled in 2010 (10 stations on each of 19 transects), 210 stations were sampled in 2011 (10... Categories: Data; Tags: Abundance, Alpine, Belding's ground squirrel, Distance sampling, Golden-mantled ground squirrel, All tags... Habitat, Humboldt-Toiyabe National Forest, Inyo National Forest, Mammals, Marmot, National CASC, Occupancy, Pika, Point counts, Sequoia & Kings Canyon National Parks, Sierra National Forest, Sierra Nevada, Stanislaus National Forest, Wildlife and Plants, Yosemite National Park, Fewer tags Egg-mass depths for Anaxyrus canorus and Pseudacris regilla at various breeding sites near Tioga Pass, California, USA, in 1996, 1998, 1999, and 2000 We produced this data set as part of a larger, integrated study to assess the statuses of populations of Anaxyrus canorus and the causes of observed effects on fitness at field sites, primarily in Yosemite National Park near Tioga Pass, from 1996 to 2001. To assess and document the depths to the tops of individual A. canorus and Pseudacris regilla egg masses and to the sediments, we measured water depths at masses of both species. We used a meter stick to measure the depth (nearest mm) where female A. canorus deposited individual egg masses, and the distance from the water’s surface to the tops of those masses, at several breeding sites across 1996, 1998, 1999, and 2000. We did the same for egg masses of P. regilla... Categories: Data; Tags: Inyo National Forest, Saprolegnia diclina, Sierra Nevada, Sierra Nevada, Tioga Pass, California, All tags... UV-B, Yosemite National Park, biota, disease, embryo mortality, freezing, predatory flatworms, sub-alpine wetlands, Fewer tags Mercury and biogeochemical parameters in surface water and sediment from U.S. National Parks, 2014-2015 (ver. 2.0, December 2023) Comma-separated values (.csv) file containing data related to mercury and biogeochemical parameters in surface water and aquatic sediment collected from U.S. National Parks in 2014-2015. Categories: Data, Data Release - Revised; Tags: Acadia National Park, Big Bend National Park, Big Cypress National Park, Big Thicket National Preserve, Cape Cod National Seashore, All tags... Chickasaw National Recreation Area, Cuyahoga Valley National Park, Denali National Park and Preserve, Glacier National Park, Great Smoky Mountains National Park, Gulf Islands National Seashore, Indiana Dunes National Park, John Day Fossil Beds National Monument, Knife River Indian Villages National Historic Site, Lake Clark National Park and Preserve, Mammoth Cave National Park, Marsh-Billings-Rockefeller National Park, Montezuma Castle National Monument, Mount Rainier National Park, Niobrara National Scenic River, Olympic National Park, Ozark National Scenic Riverway, Pictured Rocks National Lakeshore, Pipestone National Monument, Redwood National Park, Rocky Mountain National Park, Roosevelt-Vanderbilt National Historic Sites, Saguaro National Park, Saint-Gaudens National Historic Site, Shenandoah National Park, Tallgrass Prairie National Preserve, Timucuan Ecological & Historic Preserve, Tumacacori National Historical Park, Tuzigoot National Monument, USGS Science Data Catalog (SDC), USGS:637e5e47d34ed907bf769345, Valles Caldera National Preserve, Voyageurs National Park, Yellowstone National Park, Yosemite National Park, environment, inlandWaters, mercury contamination, Fewer tags Site and Survey Data for Amphibian Surveys in Yosemite National Park, 2018 These data represent occupancy surveys conducted in long-term monitoring sites in Yosemite National Park in 2018 for three anurans, the Yosemite Toad (Anaxyrus canorus), the Sierran Treefrog (Pseudacris sierra), and the Sierra Nevada Yellow-legged Frog (Rana sierrae). The data include independent double-observer surveys and time-to-detection data to calculate detection probabilities and account for false negatives, or the failure to detect a species at a site where it occurs. These data support the following publication: Schimel, D.S., 2018, Editorial: Ecological Applications, v. 28, no. 4, p. 869–870, https://doi.org/10.1002/eap.1735. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: USGS Science Data Catalog (SDC), USGS-EMA-LOW-SB SMC: Amphibians/ARMI, Wildlife Biology, Yosemite National Park, amphibians, All tags... biota, field sampling, frog, occupancy, survey efficiency, time-to-detection, toad, Fewer tags Data for the U.S. Geological Survey Precipitation Chemistry Quality Assurance Project for the National Atmospheric Deposition Program, 1978–2017 The U.S. Geological Survey has operated the Precipitation Chemistry Quality Assurance (PCQA) Project to evaluate and document the data quality for the National Atmospheric Deposition Program (NADP) for 40 years. The PCQA is primarily focused on data quality for the NADP National Trends Network (NTN) and Mercury Deposition Network (MDN). The PCQA implements programs to evaluate the variability and bias of NADP data. The programs are described in several USGS reports: 1. See, R.B., Willoughby, T.C., and Brooks, M.H., 1990. Programs and analytical methods for the U.S. Geological Survey Acid Rain Quality Assurance Project: U.S. Geological Water-Resources Investigations Report 90-4029. 2. Latysh, N.E., and Wetherbee,... Categories: Data; Tags: Bandelier National Monument, Canyonlands National Park-Island in the Sky, Grand Canyon National Park, Great Smoky Mountains National Park, Guadelupe Mountains National Park, All tags... Hubbard Brook, Lake Scott State Park, Mount Rainier National Park, Proctor Maple Research Center, Rocky Mountain National Park, Salt Plains National Wildlife Refuge, USGS Science Data Catalog (SDC), Water Quality, Wildcat Mountain State Park, Yosemite National Park, Fewer tags Gravity, density, and magnetic property measurements of the Sierra Nevada, California and Nevada This data release presents point data associated with the geologic and geophysical maps of the Sierra Nevada Digital Earth Science Atlas led by the California Geological Survey and U.S. Geological Survey. Data include principal fact information for new gravity measurements collected by the U.S. Geological Survey from 2012 to 2023 and for existing gravity measurements compiled from 21 sources. Nearly 29,000 gravity measurements were processed to complete Bouguer and isostatic gravity anomalies to provide information on crustal structure, such as depth extent of plutons and arc terranes, and geometry of Cenozoic basins developed along the margins of the Sierra Nevada. Density and magnetic property measurements were... Categories: Data; Tags: Eldorado National Forest, Lake Almanor, Lake Isabella, Lake Tahoe, Mono Lake, All tags... Plumas National Forest, Sequoia National Park, Sierra National Forest, Sierra Nevada, Stanislaus National Forest, Tahoe National Forest, Tehachapi Mountains, USGS Science Data Catalog (SDC), Yosemite National Park, density measurement, geoscientificInformation, gravity measurement, natural remanent magnetization, none, rock magnetic susceptibility, Fewer tags Effects of exposure to ambient UV-B on embryos of Anaxyrus canorus and Pseudacris regilla at various breeding sites near Tioga Pass, California, USA, in 1996 and 1998 We produced this data set as part of a larger, integrated study to assess the statuses of populations of Anaxyrus canorus and the causes of observed effects on fitness at field sites, primarily in Yosemite National Park near Tioga Pass, from 1996 to 2001. ENCLOSURES We used field enclosures to test the hypothesis that exposure to ambient UV-B caused embryo mortality in 1996 and 1998. We covered the top of each enclosure with one or two types of thin plastic sheeting. One type was transparent to the solar spectrum. The other type filtered UV-B below 314 nm (UV-B<314) but was otherwise transparent to solar radiation. Laying both types together over the top of an enclosure did not alter the transmission characteristics... Categories: Data; Tags: Inyo National Forest, Saprolegnia diclina, Sierra Nevada, Sierra Nevada, Tioga Pass, CA, All tags... UV-B, Yosemite National Park, biota, disease, embryo mortality, freezing, predatory flatworms, sub-alpine wetlands, Fewer tags Minimum daily air temperatures (1999 to 2001) and minimum and maximum daily water temperatures next to egg masses (2001) during embryogenesis for Anaxyrus canorus at various breeding sites near Tioga Pass We produced this data set as part of a larger, integrated study to assess the statuses of populations of Anaxyrus canorus and the causes of observed effects on fitness at field sites, primarily in Yosemite National Park near Tioga Pass, from 1996 to 2001. From 1999 to 2001, we deployed Optic StowAway Temperature loggers (Onset Computer Corporation; Bourne, Massachusetts, USA) to measure minimum daily air temperatures at various breeding sites during embryogenesis for A. canorus. These measurements enabled us to determine relations between air temperatures at individual breeding sites relative to air temperatures measured at the automated weather station in Dana Meadows (DAN) in the heart of our study area. We measured... Categories: Data; Tags: Freezing, Saprolegnia diclina, Sierra Nevada, Sierra Nevada, Tioga Pass, CA, All tags... UV-B, Yosemite National Park, biota, disease, embryo mortality, predatory flatworms, sub-alpine wetlands, Fewer tags Embryo mortality for Anaxyrus canorus and Pseudacris regilla at various breeding sites near Tioga Pass, California, USA, from 1996 to 2001 We produced this data set as part of a larger, integrated study to assess the statuses of populations of Anaxyrus canorus and the causes of observed effects on fitness at field sites, primarily in Yosemite National Park near Tioga Pass, from 1996 to 2001. We assessed the extent of annual mortality among embryos of A. canorus and Pseudacris regilla variously among breeding sites and years by measuring hatching success in as many individual egg masses as possible, given logistical constraints, at sites we surveyed annually from 1996 to 2000. We visually evaluated each individual embryo in an egg mass in situ while kneeling alongside it immediately before, at, or very soon after hatching (when individual capsules remained... Categories: Data; Tags: Inyo National Forest, Saprolegnia diclina, Sierra Nevada, Sierra Nevada, Tiogo Pass, California, All tags... UV-B, Yosemite National Park, biota, disease, embryo mortality, freezing, predatory flatworms, sub-alpine wetlands, Fewer tags Multi-State Occurrence Data and Predictors for Amphibians in Yosemite National Park (2007-2021) These data include field-collected observations of the occurrence of adult and larval amphibians at 174 sites in 14 watersheds at Yosemite National Park from 2007 through 2021. Also included in the data are potential variables affecting site occurrence, probability of reproduction, and probability of detection of amphibians, including static site-specific variables like site size and elevation, and dynamic variables including surveyors, when surveys occurred, and site- and year-specific weather variables. These data were used to fit the models in the accompanying publication and can be used with the associated code to replicate the results found in the publication. These data support the following publication:... Categories: Data; Tags: Biological Occurrence, Ecology, USGS Science Data Catalog (SDC), Wildlife Biology, Yosemite National Park, All tags... amphibians, biota, Fewer tags Seed and Associated Tree Data from Long Term Research Plots in Sequoia and Yosemite National Parks This dataset was used as part of a continent-wide analysis of tree fecundity and its association with climate and tree size. This dataset consists of: plotinfo.csv, which contains basic attribute information for the field plots where the data were collected; seeddata.csv, which contains the data for seeds collected (how many, what type, etc.); trapxycoord.csv, which contains location and identification information for the seed traps used to collect the seeds; treexycoord.csv, which contains location and attribute information for the standing trees in the plot where the seeds were collected; and treedata.csv, which contains data on the size and species of standing trees in the plot where the seeds were collected. Categories: Data; Tags: Botany, California, Forestry, Sequoia National Park, Sierra Nevada, All tags... USGS Science Data Catalog (SDC), Yosemite National Park, biota, forest ecosystems, mixed conifer forest, old growth, seeds, temperate forest, vegetation, Fewer tags Seedling and tree data from Sequoia National Park and Yosemite National Park These tables include data from 25 long-term forest plots located in either Sequoia or Yosemite national park. Trees in these plots (established between 1982 and 2001) are censused annually for mortality and measured for diameter every 4 to 6 years. Plots were mostly 1 hectare (ha) in size (range 0.9 – 2.5 ha) and contained at least two 25 by 25 meter seedling sub-plots to monitor natural seedling recruitment. The largest plot, at 2.5 ha, included four such seedling sub-plots. Each sub-plot was divided into 5 by 5 meter quadrats. In almost all the plots these seedling sub-plots were established in 1999, but four plots (those with names starting with FF) were added to the study in 2002 and seedling data was only available... Categories: Data; Tags: Botany, Forestry, Sequoia National Park, USGS Science Data Catalog (SDC), Yosemite National Park, All tags... biota, field inventory and monitoring, forest demography, forest ecoystems, seedling recruitment, Fewer tags 1 2 »