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Water chemistry, stable isotopes, and trace metals in sediment, water and biota in Torch Lake and Gratiot Lake, Keweenaw Peninsula, Michigan, USA, July and October 2021 Water chemistry, stable isotopes, and trace metals in sediment, water and biota in Torch Lake and Gratiot Lake, Keweenaw Peninsula, Michigan, USA, July and October 2021
This data release includes sampling location data, laboratory processed surface water chemistry data (anions, cations, total nitrogen, dissolved organic carbon, deuterium, trace metals), laboratory processed pore water chemistry data (anions, cations, total nitrogen, dissolved organic carbon, trace metals), laboratory process sediment data (trace metals), and whole-body trace metal...
Contaminants measured in multiple environmental media in the Lake Mead National Recreation Area NV/AZ, USA in 2010 Contaminants measured in multiple environmental media in the Lake Mead National Recreation Area NV/AZ, USA in 2010
Concentrations of a wide variety of environmental organic contaminants were measured in surface waters of the Lake Mead National Recreation Area (Nevada and Arizona) in 2010 to provide a measure of exposure to resident fish species. These contaminants were sampled using the semipermeable membrane device (SPMD) and the polar organic chemical integrative sampler (POCIS) which allow for the
Measurements of arsenic in Sonora mud turtles and their food web at Montezuma Well, Arizona 2010-2015 Measurements of arsenic in Sonora mud turtles and their food web at Montezuma Well, Arizona 2010-2015
These data were compiled to better understand the geogenic arsenic cycle in a unique natural wetland in central Arizona. The objective of our study was to determine the role of Sonora mud turtles in the arsenic cycle of a simple food web. These data represent the first study to do so even though a previous studies left out turtles as the top predator and consumer. The data were collected...
Grass carp capture and life history traits in the Lake Erie watershed, 2017-2023, and in the Mississippi, Missouri, and Lamine Rivers within the state of Missouri, 2022 Grass carp capture and life history traits in the Lake Erie watershed, 2017-2023, and in the Mississippi, Missouri, and Lamine Rivers within the state of Missouri, 2022
From 2017-2023, a total of 934 Grass Carp were removed from the Lake Erie basin and tributaries, and 159 were captured in the Mississippi, Missouri, and Lamine Rivers within the state of Missouri in 2022. For each captured fish we documented capture location, water temperature; we measured total length and total weight. Length data was used to assess the removal efforts in Lake Erie. A...
Water quality and toxicity data to assess the potential effect of nitrogen on juvenile freshwater mussels (Bivalvia: Unionidae) in the Buffalo National River, Arkansas from September 16 2019 to November 20, 2020 Water quality and toxicity data to assess the potential effect of nitrogen on juvenile freshwater mussels (Bivalvia: Unionidae) in the Buffalo National River, Arkansas from September 16 2019 to November 20, 2020
The Buffalo National River in Arkansas was established as the first national river in 1972 and later designated as an Extraordinary Resource Water with a Wild and Scenic section in the upper portion. The Buffalo National River's water quality database indicates nitrogen compounds have increased since the 1980s. This study aimed to investigate the potential threat of elevated nutrients...
Maps showing landslide structures at three locations on the active part of the Slumgullion landslide, Hinsdale County, Colorado in 2002, 2013, and 2023 Maps showing landslide structures at three locations on the active part of the Slumgullion landslide, Hinsdale County, Colorado in 2002, 2013, and 2023
The maps in this data release show active landslide structures in three areas along the north flank of the Slumgullion landslide. After the entire active part of the landslide was mapped in 1992 and 1993 (Fleming and others, 1999), we remapped these three smaller areas at roughly decadal intervals. Our goal was to learn what structures might persist and how they might change as...