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Red Spruce-Northern Hardwood Ecotone Forest Measurements in the Central Appalachian Mountains Red Spruce-Northern Hardwood Ecotone Forest Measurements in the Central Appalachian Mountains
This dataset contains long-term measurements of red spruce-northern hardwood ecotone forests in the central Appalachian Mountains. To evaluate long-term dynamics in unmanaged red spruce–northern hardwood forests, ten ecotone transects were installed in 1992-1994 across the central Appalachians. The ten ecotone transects were remeasured in 2003-2005 and 2023-2025 to assess post...
Reflectance data from vitrinite and bituminite in the Kimmeridge Clay Formation supporting the ICCP Identification of Dispersed Organic Matter Working Group round robin exercises from 2016 to 2020 Reflectance data from vitrinite and bituminite in the Kimmeridge Clay Formation supporting the ICCP Identification of Dispersed Organic Matter Working Group round robin exercises from 2016 to 2020
Three round robin exercises (RRE) aimed at characterizing bituminite and testing the reproducibility of random vitrinite (VRo %) and bituminite (BitRo %) reflectance measurements of the Kimmeridge Clay Formation were conducted in 2016, 2018, and 2020. This work was conducted by the Identification of Dispersed Organic Matter Working Group (IDOM WG) of the International Committee for Coal...
Regional invasive annual grass simulation models and invaded cover across the sagebrush biome (2022-2042) Regional invasive annual grass simulation models and invaded cover across the sagebrush biome (2022-2042)
This data release contains spatially explicit state-and-transition simulation model (STSM) packages, simulation results, and projected invaded cover layers of Invasive annual grasses (IAG). IAGs continue to spread within the sagebrush biome of the western United States, and managers need ways to scope IAG management strategy effectiveness for long-term strategic planning. We developed a...
Regression equations for selected streamflow statistics based on data through water year 2021 in and near Wyoming Regression equations for selected streamflow statistics based on data through water year 2021 in and near Wyoming
The U.S. Geological Survey (USGS), in cooperation with the Wyoming Water Development Office (WWDO), developed streamflow statistics regression equations using basin characteristics and streamflow statistics at streamgages for mean daily discharge data through water year 2021. This data release provides supplementary data to the Scientific Investigation Report (SIR), "Methods for...
Regression models developed to estimate Escherichia coli concentrations using 2019-24 data at four stream sites in Chester and Delaware Counties, Pennsylvania (ver. 1.1, May 2026) Regression models developed to estimate Escherichia coli concentrations using 2019-24 data at four stream sites in Chester and Delaware Counties, Pennsylvania (ver. 1.1, May 2026)
Regressions were developed to predict Escherichia coli (E. coli) concentrations at four U.S. Geological Survey (USGS) gages on streams in Chester and Delaware Counties in southeastern Pennsylvania. The regression analysis was based on 2019-24 discrete E. coli concentrations measured in samples collected approximately monthly by USGS from April to October and concurrent available...
Remotely sensed observations using Landsat time-series from 2013-2023 to determine water savings for riparian corridor sites in the Lower Colorado River Basin affected by tamarisk defoliation Remotely sensed observations using Landsat time-series from 2013-2023 to determine water savings for riparian corridor sites in the Lower Colorado River Basin affected by tamarisk defoliation
These spatial and tabular data were compiled to have a decades-long record of the water usage in the riparian corridor for 27 selected sites where tamarisk (Tamarix spp) or saltcedar defoliation was reported by ground observations and/or exhibited in Google Imagery at locations across the Lower Colorado River Basin. Data for these sites was measured remotely for plant health as...
Repeat photo interpretation of vegetation change from 1910 to 2016 on the Colorado Plateau, USA and contextual data on land use, climate, topography, and geomorphology Repeat photo interpretation of vegetation change from 1910 to 2016 on the Colorado Plateau, USA and contextual data on land use, climate, topography, and geomorphology
These data document over a century of plant community change on the Colorado Plateau (CP) using repeat photography (1910-2016). Photos were taken across a 3100 square kilometer area on the CP largely in areas administered by the NPS and Bureau of Land Management (BLM), including (but not limited to) areas now within Arches National Park and Canyonlands National Park; Glen Canyon National
Repeat photos from long-term monitoring plots of biological soil crusts in an ungrazed grassland of southeastern Utah Repeat photos from long-term monitoring plots of biological soil crusts in an ungrazed grassland of southeastern Utah
This data release contains a timeseries (2004-2025) of photographs from five permanent locations (Stops 1-5, roughly 11x15 centimeters) established to observe biological soil crusts (BSC, a collection of species of lichens, cyanobacteria, and bryophytes). The five locations were randomly located within a larger study area established to monitor vegetation and biological soil crusts as...
Replace Sabine Refuge Water Control Structures at Headquarters Canal, West Cove Canal and Hog Island Gully (CS-23) 2024 land-water classification Replace Sabine Refuge Water Control Structures at Headquarters Canal, West Cove Canal and Hog Island Gully (CS-23) 2024 land-water classification
The Louisiana State Legislature established the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) to conserve, restore, create and enhance Louisiana's coastal wetlands. Restoration plans developed under CWPPRA require evaluating the effectiveness of each project in achieving long-term solutions to coastal wetlands loss. This data set includes mosaicked aerial photographs...
Reported American black bear observations in Massachusetts 2019-2023 Reported American black bear observations in Massachusetts 2019-2023
The table contains observations of American black bears reported by community members to the website: https://massbears.wordpress.amherst.edu from 2019-2023. To preserve the privacy of the contributors, locations were rarefied by 1000 m.
Reports of Hearing and Not Hearing the 1992 eruption of Mount Spurr Reports of Hearing and Not Hearing the 1992 eruption of Mount Spurr
Observations of locations where the August 18th, 1992 eruption of Mount Spurr was heard and not heard around Alaska.
Reproduction and locations of oaks in Yolo County, California, USA from 2013-2023 Reproduction and locations of oaks in Yolo County, California, USA from 2013-2023
Oaks were mapped in a portion of Yolo County, California, USA. For 26 focal trees, acorn counts were conducted from 2013-2023. Trees were located in rural and urban areas. Rural trees were located visually and location was recorded. Urban tree locations were drawn from randomly distributed point locations at 1.2 valley oaks per hectare. The data also include distance between oak trees to...