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Federal
Survival, growth, behavior and mercury concentrations of mayflies exposed to elevated dietary methylmercury and aqueous selenium recent views
Department of the Interior —
Survival and size of mayflies at each life stage, as well as MeHg concentrations in diatoms and mayflies exposed to low and high MeHg concentrations and a range of... -
Federal
Ecological community datasets used to evaluate the presence of trends in ecological communities in selected rivers and streams across the United States, 1992-2012 (output) recent views
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Water-quality and phytoplankton data for Lake Pontchartrain and the western Mississippi Sound associated with operation of the Bonnet Carré Spillway, 2008–2020 recent views
Department of the Interior —
The Bonnet Carré Spillway (BCS), located about 28 miles northwest of New Orleans, Louisiana, was constructed in the early 1930s as part of an integrated flood-control... -
Federal
2D micromodel studies of pore-throat clogging by pure fine-grained sediments and natural sediments from NGHP-02, offshore India recent views
Department of the Interior —
Fine-grained sediments, or “fines,” are nearly ubiquitous in natural sediments, even in the predominantly coarse-grained sediments that host gas hydrates. Fines... -
Federal
Mineralogic, grain-size, biologic, and stable isotopic analyses of core TOPGUN-SODA10 2A-K from Big Soda Lake, Nevada, USA. recent views
Department of the Interior —
These data were collected from the TOPGUN-SODA10 2AK core collected in 2010 by LacCore (University of Minnesota), the USGS. and the University of California (U.C.)... -
Federal
Wetland Paleoecological Study of Coastal Louisiana: Surface Sediment and Diatom Calibration Dataset recent views
Department of the Interior —
Wetland sediment data was collected from coastal Louisiana as part of a pilot study to develop a diatom-based proxy for past wetland water chemistry and the... -
Federal
Southeast Regional Stream Quality Assessment Ecological Data recent views
Department of the Interior —
Aquatic ecological surveys are valuable to understanding the interaction between the biotic and abiotic components in rivers and streams. However, large-scale... -
Federal
Ecology_metadata_input recent views
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Data on Midwest stream diatom metrics and environmental stressors, 2013 recent views
Department of the Interior —
The objective of this study was to assess the comparative influence of multiple stressors on benthic diatoms at 98 sites that spanned a range of stressors that... -
Federal
Wetland Paleoecological Study of Coastal Louisiana: Sediment Cores and Diatom Samples Dataset recent views
Department of the Interior —
Wetland sediment data was collected from coastal Louisiana as part of a pilot study to develop a diatom-based proxy for past wetland water chemistry and the... -
Federal
Wetland Paleoecological Study of Coastal Louisiana: X-radiographs recent views
Department of the Interior —
Wetland sediment data was collected from coastal Louisiana as part of a pilot study to develop a diatom-based proxy for past wetland water chemistry and the... -
Federal
Habitat and biological assemblage data from streams within Tribal lands of the Pearl River Community of the Mississippi Band of Choctaw Indians, 2017-18 recent views
Department of the Interior —
This data release contains habitat survey data (quantitative and qualitative) and biological assemblage data (periphyton, macroinvertebrate, and fish) collected among... -
Federal
Datasets used to evaluate the effects of antecedent streamflow and sample timing on trend assessments of fish, invertebrate and diatom communities across the United States, 2002-12 (input) recent views
Department of the Interior —
Detecting trends in biological attributes is central to many stream monitoring programs; however, understanding how natural variability in environmental factors... -
Federal
Census counts of diatoms from core 721-1 obtained in 2002 off San Francisquito Creek in South San Francisco Bay recent views
Department of the Interior —
This data release provides census counts of diatoms in sediments of a core obtained off San Francisquito Creek in South San Francisco Bay. -
Federal
2008 - Present Ecosystem History of South Florida's Estuaries Database (ver. 2.0, June 2022) recent views
Department of the Interior —
The 2008 - Present Ecosystem History of South Florida's Estuaries Database contains listings of all sites (modern and core) and modern monitoring site survey... -
Federal
Dataset of diatom controls on the compressibility and permeability of fine-grained sediment collected offshore of South Korea during the Second Ulleung Basin Gas Hydrate Expedition, UBGH2 recent views
Department of the Interior —
One of the primary goals of South Korea’s second Ulleung Basin Gas Hydrate Expedition (UBGH2) was to examine the geotechnical properties of the marine sediment... -
Federal
Dataset of diatom controls on the sedimentation behavior of fine-grained sediment collected offshore of South Korea during the Second Ulleung Basin Gas Hydrate Expedition, UBGH2 recent views
Department of the Interior —
One of the primary goals of South Korea’s second Ulleung Basin Gas Hydrate Expedition (UBGH2) was to examine the geotechnical properties of the marine sediment... -
Federal
Datasets used to evaluate the effects of antecedent streamflow and sample timing on trend assessments of fish, invertebrate and diatom communities across the United States, 2002-12 (output) recent views
Department of the Interior —
Detecting trends in biological attributes is central to many stream monitoring programs; however, understanding how natural variability in environmental factors... -
Federal
Ecology_metadata_output recent views
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
1995 - 2007 Ecosystem History of South Florida's Estuaries Database recent views
Department of the Interior —
The 1995 - 2007 Ecosystem History of South Florida's Estuaries Database contains listings of all sites (modern and core), modern monitoring site survey information...