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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
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
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 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
Little sequoias on lower trail from General Grant Park to kings river canyon near Tenmile Lake looking east. Photo by R.B. Marshell. Sequoia and Kings Canyon National Park. Tulare County, California. 1909.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Marshall, R.B. Collection,
National Parks,
Photographers,
Sequoia & Kings Canyon National Parks,
Tulare County, California, All tags...
photo print, Fewer tags
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