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Shell-skeletal remains of Gopherus agassizii collected at the 7.77 square km...
The database on shell-skeletal remains from 1980 through 2012 was collected as part of a monograph covering the desert tortoise populations inside and outside the fenced Desert... -
Pacific (Gavia pacifica) and Yellow-billed Loon (G. adamsii) Mark-Resight...
This data release contains a mark-resight encounter history table for Pacific and Yellow-billed loons from the Arctic Coastal Plain in northern Alaska, 2011-2014. -
Sea Otter surveys from selected Western Aleutian Islands, Alaska and Bering...
The data table consists of a compilation of sea otter survey results from Bering Island, Russia and select Western Aleutian Islands conducted between 1959 and 2015. The counts... -
Wolf survival and cause-specific mortality from 1968-2018 in the Superior...
This dataset contains gray wolf (Canis lupus) survival and cause-specific mortality data from radiocollared wolves (n=756 collared-wolf tenures) from 1968-2018 in the USGS Wolf... -
Survival data of transplanted sagebrush (Artemesia tridentata) seedlings in...
This dataset contains information on the survival of individual sagebrush seedlings, stands of seedlings and the vegetative and topographic conditions in which they were planted. -
Lake Erie Fish Community Data, 2013-2019
Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management, and supports decision making... -
Epibenthic fish and Decapod crustaceans; trawling
The Fish/Invertebrate Lab at the Smithsonian Environmental Research Center initiated trawling on the Rhode River in 1981. Conducted on a monthly basis from March through... -
Lake Erie Fish Community Data, 2013-2021
Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management, and supports decision making... -
Northern spotted owl data and analysis code, Cascade Range, Pacific Northwest, USA
These data were compiled to allow examination of northern spotted owl territorial occupancy dynamics, especially with regards to the roles played by habitat and competition with... -
Lake Ontario April Prey Fish Bottom Trawl Survey, 1997-2021
This data release includes Lake Ontario prey fish data including species captured, relative abundance, spatial distribution, size structure, and age data from the April or... -
Oregon Spotted Frog Monitoring at Jack Creek 2015-2018 (final)
This dataset contains information from mark-recapture and egg mass surveys conducted 2015-2018 by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa) monitoring... -
Coastal California San Francisco Gartersnake Capture-Mark-Recapture Data (2008-2013)
These data are multi-state capture histories of 273 individual San Francisco gartersnakes collected at a site before and after a portion of the site was burned. Data collection... -
Spectacled eider (Somateria fischeri) nest records Kashunuk River and...
Data set containing nest records for Spectacled Eiders near the Kashunuk River and on Kigigak Island, within the Yukon-Kuskokwim Delta, Alaska. Nests were visited during the... -
Oregon Spotted Frog (Rana pretiosa) Monitoring at Jack Creek 2015-2017
This dataset contains information from mark-recapture and egg mass surveys conducted 2015-2017 by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa) monitoring... -
Rat mark-recapture in rodenticide treatment and non-treatment plots, Hawaii...
This is a selected data set used to assess the impacts of rodenticide treatment on black rat (Rattus rattus) abundance within Hawaii Volcanoes National Park (HAVO). The key... -
Data to fit an Integrated Population Model for the Foothill Yellow-legged...
These data include egg mass counts and adult capture-mark-recapture histories for Foothill Yellow-legged frogs at two streams in northern California. Data were collected from... -
Waterfowl Lead Exposure Data in Alaska and Russia, 1993-1999
This data set identifies lead levels found in blood of waterfowl sampled in Russia and Alaska during 1993-1999. This data set includes information on the species, individual... -
Oregon spotted frog (Rana pretiosa) monitoring data for metademographic...
This dataset contains information from surveys conducted 2010-2018 by USGS as part of a long-term Oregon spotted frog monitoring effort in the central Oregon range. Data consist... -
Native Fishes Drought Response Stressor Monitoring - 2014 to 2017 [ds2820]
This layer is intended to be used as an informal means of spatially aggregating data collected by an array of regional teams monitoring drought effects upon California Streams.... -
Great Lakes Research Vessel Operations 1958-2018: OP. (ver. 3.0, April 2019)
These data have been collected on various vessel operations on the Great Lakes and select connecting waterways. This vessel operations data set is part of and connected to a...