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  3. Eelgrass distributions and bathymetry of the Nisqually River delta, Washington

Eelgrass distributions and bathymetry of the Nisqually River delta, Washington

Dates

Start Date
2012
End Date
2017
Publication Date

Citation

Stevens, A.W., Takesue, R.K., and Grossman, E.E., 2020, Eelgrass distributions and bathymetry of the Nisqually River delta, Washington: U.S. Geological Survey data release, https://doi.org/10.5066/P9N9K2I1.

Summary

This data release presents eelgrass distributions and bathymetric data from repeated surveys performed on the Nisqually River delta to document interannual changes in eelgrass abundance and coastal morphology following the removal of dikes in 2009 that restored tidal processes to over 300 ha of former freshwater wetlands. Survey operations were conducted by a team of scientists from the U.S. Geological Survey Pacific Coastal and Marine Science Center and Washington State Department of Ecology. Eelgrass distributions and bathymetric data were collected along a series of shore-perpendicular transects spaced primarily at 25-50 m intervals from the R/V George Davidson equipped with a single-beam sonar system and global navigation satellite [...]

Child Items (3)

Contacts

Point of Contact :
PCMSC Science Data Coordinator
Originator :
Andrew Stevens, Renee K Takesue, Eric Grossman
Metadata Contact :
PCMSC Science Data Coordinator
Publisher :
U.S. Geological Survey
Cooperator/Partner :
Washington State Department of Ecology
Data Owner :
Pacific Coastal and Marine Science Center
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Pacific Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards

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Purpose

Data were obtained to document interannual changes in eelgrass distributions and coastal morphology following the removal of a dike that restored tidal processes to over 300 ha of former freshwater wetlands on the Nisqually River delta in 2009. These data are intended for science researchers, students, policy makers, and the general public. These data can be used with geographic information systems or other software to identify the distributions of eelgrass and shallow-water bathymetric features.
Photographs of field equipment
Photographs of field equipment

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Communities

  • Pacific Coastal and Marine 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/P9N9K2I1

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