Metal-mixtures experimental stream study, part 3 (2015): Cu, Ni, and Zn exposures: aquatic, biofilm, tissue and sediment chemistry; larval aquatic insect counts, and algal biomass
This dataset is from the third of four experiments which test the toxicity of several metals with aquatic insect communities that were colonized in the field and then transferred and tested in experimental streams. Here we report original data from testing the toxicity of copper (Cu), nickel (Ni), and zinc (Zn), singly and in mixtures, to natural aquatic insect communities. Methods are the same as those in Experiment 2, with the addition of in situ, in-vivo fluorescence measurements of benthic algae. Trays of cleaned gravel were placed in a stream (the Cache La Poudre River, Colorado) and allowed to colonize for about 40 days before being translocated to Aquatic Experimental Stream Laboratory (AXL) which was located at the USGS Fort Collins Science Center. There the insects were exposed for 30 days to metal mixtures in ratios and concentrations similar to those occurring in ambient conditions. Emerging adult insects were captured and collected daily throughout the experiment, while larvae and metal residues were measured in periphyton and Brachycentrus caddisflies (a common, large-bodied, robust insect that could survive high metals accumulations) at the end of the experiment. In addition, algal biomass was measured in situ by in-vivo fluorescence at the end of the experiment.
Complete Metadata
| accessLevel | public |
|---|---|
| bureauCode |
[
"010:12"
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|
| contactPoint |
{
"fn": "Christopher A Mebane",
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"hasEmail": "mailto:cmebane@usgs.gov"
}
|
| description | This dataset is from the third of four experiments which test the toxicity of several metals with aquatic insect communities that were colonized in the field and then transferred and tested in experimental streams. Here we report original data from testing the toxicity of copper (Cu), nickel (Ni), and zinc (Zn), singly and in mixtures, to natural aquatic insect communities. Methods are the same as those in Experiment 2, with the addition of in situ, in-vivo fluorescence measurements of benthic algae. Trays of cleaned gravel were placed in a stream (the Cache La Poudre River, Colorado) and allowed to colonize for about 40 days before being translocated to Aquatic Experimental Stream Laboratory (AXL) which was located at the USGS Fort Collins Science Center. There the insects were exposed for 30 days to metal mixtures in ratios and concentrations similar to those occurring in ambient conditions. Emerging adult insects were captured and collected daily throughout the experiment, while larvae and metal residues were measured in periphyton and Brachycentrus caddisflies (a common, large-bodied, robust insect that could survive high metals accumulations) at the end of the experiment. In addition, algal biomass was measured in situ by in-vivo fluorescence at the end of the experiment. |
| distribution |
[
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"title": "Digital Data",
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"accessURL": "https://doi.org/10.5066/P9XXBSAK",
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|
| identifier | http://datainventory.doi.gov/id/dataset/USGS_5d3f8902e4b01d82ce8d96bf |
| keyword |
[
"Metals mixture toxicity",
"USGS:5d3f8902e4b01d82ce8d96bf",
"bioaccumulation",
"biota",
"ecotoxicology",
"experimental streams,",
"mesocosm"
]
|
| modified | 2020-08-20T00:00:00Z |
| publisher |
{
"name": "U.S. Geological Survey",
"@type": "org:Organization"
}
|
| spatial | -105.7196000, 40.7030000, -105.7193000, 40.7039130 |
| theme |
[
"Geospatial"
]
|
| title | Metal-mixtures experimental stream study, part 3 (2015): Cu, Ni, and Zn exposures: aquatic, biofilm, tissue and sediment chemistry; larval aquatic insect counts, and algal biomass |
