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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

Metadata Updated: October 29, 2023

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.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023
Publisher U.S. Geological Survey
Identifier USGS:5d3f8902e4b01d82ce8d96bf
Data Last Modified 20200820
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 916d7d11-c124-4ba6-b678-9f4f49bd0cd8
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -105.7196,40.703,-105.7193,40.703913
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash 45af5f5c3261c7c0db6cea219306231766414cebb9e5662ac00b8e01bec127e3
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -105.7196, 40.703, -105.7196, 40.703913, -105.7193, 40.703913, -105.7193, 40.703, -105.7196, 40.703}

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