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  4. Pesticide Concentrations Measured in Zooplankton Samples Collected from the Sacramento River and Yolo Bypass, California, 2021

Pesticide Concentrations Measured in Zooplankton Samples Collected from the Sacramento River and Yolo Bypass, California, 2021

Dates

Publication Date
Start Date
2021-08-02
End Date
2022-01-11

Citation

Orlando, J.L., Hladik, M.L., Sanders, C.J., Parsia, M.D., LaBarbera, E., Gross, M., and Uychutin, M., 2022, Pesticide Concentrations Measured in Zooplankton Samples Collected from the Sacramento River and Yolo Bypass, California, 2021: U.S. Geological Survey data release, https://doi.org/10.5066/P9FCBOHG.

Summary

Zooplankton samples were collected at one site upstream of the Yolo Bypass in Northern California, three sites within the Bypass, and at a comparison site on the Sacramento River below the city of Sacramento and analyzed for a large suite of current-use pesticides and degradates. Samples were collected every two weeks from early August 2021 to mid-October 2021. Samples were collected by towing a 150-micron conical plankton net for 5 minutes by boat at each site. In the laboratory, zooplankton samples were filtered through a 63-micrometer sieve to separate the zooplankton and vegetation/detritus from the water. Large sticks, twigs, rocks, and leaves were rinsed with organic free water into the sieve and then discarded. The remaining [...]

Contacts

Point of Contact :
James L Orlando
Process Contact :
Michelle L Hladik
Originator :
James L Orlando, Michelle L Hladik, Corey J Sanders, Matthew D De Parsia, Elisabeth M. LaBarbera, Michael S Gross, Matthew Uychutin
Metadata Contact :
James L Orlando
Publisher :
U.S. Geological Survey
USGS Mission Area :
Water Resources
SDC Data Owner :
California Water Science Center
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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Zooplankton_Pesticides_2021_Metadata.xml
Original FGDC Metadata
View 		175.89 KB application/fgdc+xml
Limits_of_Detection.csv 6.37 KB text/csv
Matrix_Spikes.csv 6.72 KB text/csv
Zooplankton_Pesticide_Results_2021.csv 26.12 KB text/csv

Purpose

Data were collected to document the concentrations of 166 pesticides in zooplankton collected from the Sacramento River and Yolo Bypass in Northern California.

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  • USGS California Water Science Center
  • USGS Data Release Products

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9FCBOHG

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