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  4. Survival, growth, behavior and mercury concentrations of mayflies exposed to elevated dietary methylmercury and aqueous selenium

Survival, growth, behavior and mercury concentrations of mayflies exposed to elevated dietary methylmercury and aqueous selenium

Dates

Publication Date
Start Date
2019-03-02
End Date
2019-04-30

Citation

Gerson, J.R., Walters, D.M., Eagles-Smith, C.A. and Dorman, R.A., 2021, Survival, growth, behavior and mercury concentrations of mayflies exposed to elevated dietary methylmercury and aqueous selenium: U.S. Geological Survey data release, https://doi.org/10.5066/P9WFOU5L.

Summary

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 selenomethione (SeMet) concentrations.

Contacts

Point of Contact :
David Walters
Originator :
Jacqueline R Gerson, David Walters, Collin A Eagles-Smith, Rebecca A Dorman
Metadata Contact :
CERC Data Managers
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
USGS Mission Area :
Ecosystems
SDC Data Owner :
Columbia Environmental Research Center

Attached Files

Click on title to download individual files attached to this item.

Survival_growth_behavior_mercury_concentrations_mayflies .xml
Original FGDC Metadata
View 		51.02 KB application/fgdc+xml
Adult mayflies.txt 753 Bytes text/plain
Diatom experiment.txt 15.21 KB text/plain
Larvae survival.txt 8.19 KB text/plain
Mayfly behavior.txt 14.19 KB text/plain
Mayfly concentrations.txt 1.96 KB text/plain
Mayfly length.txt 30.23 KB text/plain
Selenium concentrations.txt 407 Bytes text/plain

Purpose

While methylmercury (MeHg) readily bioaccumulates and is toxic at high concentrations, some studies suggest that the presence of selenium (Se) can reduce MeHg bioaccumulation and toxicity. Before the addition of Se to aquatic ecosystems is promoted as a risk management tool, it is imperative that we understand its impact on Hg accumulation in primary producers and emergent insects. These data were collected to determine the accumulation of Hg and Se in mayflies and diatoms, as well as the toxicity of Se on mayflies.

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Communities

  • Columbia Environmental Research Center (CERC)
  • USGS Data Release Products

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9WFOU5L

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