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  4. Sediment Biogeochemistry and Subsequent Mercury Biomagnification in Wetland Food Webs of the San Francisco Bay, CA (ver. 2.0, December 2023)
  5. Mercury Concentrations and Stable Isotope Ratios for California Black Rails and their Invertebrate Prey from Wetlands of the San Francisco Bay, CA

Mercury Concentrations and Stable Isotope Ratios for California Black Rails and their Invertebrate Prey from Wetlands of the San Francisco Bay, CA

Dates

Publication Date
Start Date
2005
End Date
2007

Citation

Hall, L.A., Woo, I., Marvin-DiPasquale, M.C., Tsao, D.C., Krabbenhoft, D.P., Takekawa, J.Y., and De La Cruz, S.E.W., 2020, Sediment biogeochemistry and subsequent mercury biomagnification in wetland food webs of the San Francisco Bay, CA (ver. 2.0, December 2023): U.S. Geological Survey data release, https://doi.org/10.5066/P9AMA3PL.

Summary

Methylmercury concentrations and stable isotope ratios were measured from back feathers of California black rails (Laterallus jamaicensis coturniculus) and six taxa of their invertebrate prey (Amphipoda, Arachnida, Coleoptera, Diptera, Gastropoda, and Hemiptera). Samples were collected from three wetlands in the spring and summer of 2005 and 2006.

Contacts

Point of Contact :
Laurie A Hall
Originator :
Laurie A Hall, Isa Woo, Mark C Marvin-DiPasquale, Danika C Tsao, David P Krabbenhoft, John Y Takekawa, Susan E De La Cruz
Metadata Contact :
Laurie A Hall
USGS Mission Area :
Ecosystems
SDC Data Owner :
Western Ecological Research Center
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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

MercuryConcentrations_StableIsotopeRatios_BLRA_prey_SF_Bay.xml
Original FGDC Metadata
View 		43.24 KB application/fgdc+xml
Mercury_and_isotope_data_from_BLRA_and_prey.csv 37.18 KB text/csv

Purpose

Data were collected to better understand spatial the effects of habitat biogeochemistry, food web structure, and diet composition on MeHg bioaccumulation in the wetland-obligate California black rail (Laterallus jamaicensis coturniculus).

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  • USGS Western Ecological Research Center

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