Aquatic invertebrate abundance in the Elwha River estuary, Washington, in 2007 and 2013

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Frequently anticipated questions:


What does this data set describe?

Title:
Aquatic invertebrate abundance in the Elwha River estuary, Washington, in 2007 and 2013
Abstract:
This portion of the data release presents aquatic invertebrate abundance data from samples collected in the Elwha River estuary, Washington, in 2007 and 2013 (no associated USGS Field Activities numbers because data were collected predominantly by biologists from the Lower Elwha Klallam Tribe). Replicate benthic samples were collected at 18 locations throughout the estuary complex using a petite Ponar grab sampler (appx. 2400 mL sample) and sorted through a 500-micron sieve. Samples were fixed in 10 percent formalin for 3 to 5 days before being transferred to 70 percent ethanol until processing. Individuals were identified to the lowest possible taxonomic resolution, but are grouped according to insect Orders in the data for consistency (unless otherwise noted in the attributes). The locations of samples were determined with a hand-held global positioning system (GPS). Aquatic invertebrate abundance data (including fractions of individuals) are provided in a comma-delimited spreadsheet (.csv).
Supplemental_Information:
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
  1. How might this data set be cited?
    Foley, Melissa M., Beirne, Matthew M., Paradis, Rebecca, and Duda, Jeffrey J., 2017, Aquatic invertebrate abundance in the Elwha River estuary, Washington, in 2007 and 2013: data release DOI:10.5066/F75B00N4, U.S. Geological Survey, Pacific Coastal and Marine Science Center, Santa Cruz, California.

    Online Links:

    This is part of the following larger work.

    Foley, Melissa M., Shafroth, Patrick B., Beirne, Matthew, Paradis, Rebecca, and Ritchie, Andrew C., 2017, Ecological parameters in the Elwha River estuary before and during dam removal: data release DOI:10.5066/F75B00N4, U.S. Geological Survey, Pacific Coastal and Marine Science Center, Santa Cruz, CA.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -123.56768
    East_Bounding_Coordinate: -123.56135
    North_Bounding_Coordinate: 48.14993
    South_Bounding_Coordinate: 48.14510
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 18-May-2007
    Ending_Date: 16-Sep-2013
    Currentness_Reference:
    ground condition at time data were collected
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: comma-delimited text
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
    2. What coordinate system is used to represent geographic features?
  7. How does the data set describe geographic features?
    Aquatic invertebrates
    Tabular data (Source: Producer defined)
    Date
    Date samples collected (Source: producer defined)
    Range of values
    Minimum:05/17/2007
    Maximum:09/16/2013
    Units:Dates in mm/dd/yyyy format
    Dam condition
    Dam status at the time of sample collection (Source: producer defined)
    ValueDefinition
    Before removalsamples collected before dam removal began
    During removalsamples collected during dam removal (2011-2014)
    Site
    Estuary location of aquatic invertebrate samples (Source: producer defined) Estuary location of sample defined at time of collection based on location in the east (ES1, ES2, IEC) and west (WESC) estuaries.
    Replicate
    Number of samples collected at a site (Source: producer defined)
    Range of values
    Minimum:1
    Maximum:8
    Units:integers
    Acarina
    insect Order Acarina (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:49
    Units:number per sample
    Amphipoda
    insect Order Amphipoda (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:1387
    Units:number per sample
    Araneae
    insect Order Anostraca (Source: producer defined.)
    Range of values
    Minimum:0
    Maximum:1
    Units:number per sample
    Coleoptera
    insect Order Coleoptera (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:2
    Units:number per sample
    Collembola
    insect Order Collembola (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:3
    Units:number per sample
    Cyclopodia
    insect Order Cyclopodia (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:1
    Units:number per sample
    Diptera
    insect Order Diptera (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:190
    Units:number per sample
    Gastropoda
    insect Class Gastropoda (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:6
    Units:number per sample
    Harpacticoida
    insect Order Harpacticoida (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:1
    Units:number per sample
    Hemiptera
    insect Order Hemiptera (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:1
    Units:number per sample
    Hirudinea
    insect Subclass Hirudinea (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:2
    Units:number per sample
    Hymenoptera
    insect Order Hymenoptera (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:2
    Units:number per sample
    Megaloptera
    insect Order Megaloptera (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:2
    Units:number per sample
    Nematoda
    insect Phylum Nematoda (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:7
    Units:number per sample
    Odonata
    insect Order Odonata (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:9
    Units:number per sample
    Oligochaeta
    insect Class Oligochaeta (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:287
    Units:number per sample
    Ostracoda
    insect Class Ostracoda (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:161
    Units:number per sample
    Psocoptera
    insect Order Psocoptera (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:1
    Units:number per sample
    Thysanoptera
    insect Order Thysanoptera (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:1
    Units:number per sample
    Trichoptera
    insect Order Trichoptera (Source: producer defined)
    Range of values
    Minimum:0
    Maximum:9
    Units:number per sample
    Entity_and_Attribute_Overview: The first line of the csv file is a header line.
    Entity_and_Attribute_Detail_Citation: U.S. Geological Survey

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Melissa M. Foley
    • Matthew M. Beirne
    • Rebecca Paradis
    • Jeffrey J. Duda
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
    Matthew M. Beirne
    Lower Elwha Klallam Tribe
    Environmental Coordinator for Natural Resources
    2805 Lower Elwha Road
    Port Angeles, WA

    360-457-4012 ext. 7480 (voice)
    360-452-4848 (FAX)
    matt.beirne@elwha.org

Why was the data set created?

Data were obtained to assess the change in aquatic invertebrate abundance and diversity in the Elwha estuary following the removal of two dams on the Elwha River between 2011 and 2014.

How was the data set created?

  1. From what previous works were the data drawn?
  2. How were the data generated, processed, and modified?
    Date: 17-May-2007 (process 1 of 6)
    Eighteen invertebrate grab samples were collected in May 2007. A hand-held global positioning system was used to determine the location of the sampling location.
    Date: 16-Jul-2007 (process 2 of 6)
    Eighteen invertebrate grab samples were collected in July 2007. A hand-held global positioning system was used to determine the location of the sampling location.
    Date: 16-Sep-2007 (process 3 of 6)
    Sixteen invertebrate grab samples were collected in September 2007. A hand-held global positioning system was used to determine the location of the sampling location.
    Date: 15-May-2013 (process 4 of 6)
    Eighteen invertebrate grab samples were collected in May 2013. A hand-held global positioning system was used to determine the location of the sampling location.
    Date: 15-Jul-2013 (process 5 of 6)
    Eighteen invertebrate grab samples were collected in July 2013. A hand-held global positioning system was used to determine the location of the sampling location.
    Date: 16-Sep-2013 (process 6 of 6)
    Eighteen invertebrate grab samples were collected in September 2013. A hand-held global positioning system was used to determine the location of the sampling location.
  3. What similar or related data should the user be aware of?
    Foley, Melissa M., Warrick, Jonathan A., Ritchie, Andrew C., Stevens, Andrew W., Shafroth, Patrick B., Duda, Jeffrey J., Beirne, Matthew M., Paradis, Rebecca, Gelfenbaum, Guy R., McCoy, Randall, and Cubley, Erin S., 2017, Coastal habitat and biological community response to dam removal on the Elwha River: Ecological Monographs, Ecological Society of America, Washington DC.

    Online Links:


How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?
    No formal attribute accuracy tests were conducted.
  2. How accurate are the geographic locations?
    A formal accuracy assessment of the horizontal positional information in the data set has not been conducted.
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
    Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details.
  5. How consistent are the relationships among the observations, including topology?
    No formal logical accuracy tests were conducted.

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: None
Use_Constraints:
USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey and the Lower Elwha Klallam Tribe as the originators of the dataset and in products derived from these data.
  1. Who distributes the data set? (Distributor 1 of 1)
    U.S. Geological Survey - ScienceBase
    Denver Federal Center, Building 810, Mail Stop 302
    Denver, CO

    1-888-275-8747 (voice)
    sciencebase@usgs.gov
  2. What's the catalog number I need to order this data set? Aquatic invertebrate abundance data are presented as a comma-delimited file (.csv) and associated metadata.
  3. What legal disclaimers am I supposed to read?
    Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 10-Jul-2017
Metadata author:
Matthew M. Beirne
Lower Elwha Klallam Tribe
Environmental Coordinator for Natural Resources
2851 Lower Elwha Rd
Port Angeles, WA
United States of America

360-457-4012 ext. 7480 (voice)
matt.beirne@elwha.org
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

This page is <https://cmgds.marine.usgs.gov/catalog/pcmsc/westcoast/washington/elwha/Elwha_estuary_aquatic_invertebrates_2007-2013_metadata.faq.html>
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