The StreamNet Data Store is a searchable archive of data sets related to fish and other aquatic resources that are not of the specific data types included in the main StreamNet database. These data sets come from many different sources and are provided for download in their original formats. To add your own data set to the Data Store, use our Data Publishing Service.
StreamNet did not participate in creation of most of these data sets, and we are not able to answer questions about those we did not help develop. For questions about the data sets available from this page, please contact the originator of the particular data set.
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Lower Granite Fall Chinook Prey Data (2019-2022)
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| Data Categories
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Diet, zooplankton, invertebrate drift
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| Dates of Data
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2019 TO 2022
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| Data Set Status
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In work
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| Data Set Update Schedule
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Annually
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| Date Data Set Published on StreamNet Data Store
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03-15-2023
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| Project Name & Number
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1991-029-00
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| Purpose of Data Set
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These data were collected to better understand the diets of juvenile fall Chinook salmon that potentially delay their migration in Lower Granite Reservoir and become holdovers. In addition, we sought to better understand the prey resources that these fish use during summer when they are pelagically oriented in the reservoir.
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| Summary / Abstract
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From 2019 to 2022, data were collected on juvenile fall chinook salmon diets and prey in Lower Granite Reservoir during summer. Prey data include zooplankton and surface drift invertebrates.
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| Broad Biological Groups
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Fishes, Invertebrates
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| Taxa
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Chinook salmon Oncorhynchus tshawytscha (Walbaum, 1792)
Insects Insecta
Mixed invertebrates
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| Location
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Lower Granite Reservoir, Snake River
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| NPCC Subbasins (2001 Subbasins)
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Columbia Plateau: Snake lower
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| Hatcheries
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| Dams
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| Keywords
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Diet, Chinook salmon, zooplankton, invertebrates, Lower Granite Reservoir, Snake River
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| Lead Person and Organization That Created the Data Set
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Ken Tiffan, US Geological Survey (USGS)
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| Other Participating Organizations
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Funding provided by Bonneville Power Administration
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| Contact Person for Questions About the Data
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Name: Ken Tiffan
Position:
Organization: U.S. Geological Survey
Address: 5501A Cook-Underwood Rd.
Cook,
WA 98605
USA
Phone: 509-538-2972
email: ktiffan@usgs.gov
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| Broad Category of Methods
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Field and Lab
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| Data Collection Methods
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Angling, zooplankton nets, drift nets
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| File Formats
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Microsoft Excel 2000 or later
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| Data structure description
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There are six main tabs in the spreadsheet and a "Readme" tab that explains all the column names in each sheet. The "lavage Field" contains all the information pertinent to the collection of fall chinook salmon diets. The "Lavage Lab" contains all the taxa, numbers, and weights of prey found in Chinook salmon diets. The "Zoo Field" sheet contains information related to the field collection of zooplankton samples. The "Zoo Lab" sheet contains all the analyzed data from the zooplankton samples. The "Drift Field" sheet contains all the data related to collection of drift samples in the field. The "Drift Lab" sheet contains all the analyzed drift data.
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| URL where updated data may be available
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Some data sets are intrinsically linked to software, tools, models, or statistical procedures, and must be used in
association in order to be of value. If this applies to this data set then the following information will apply:
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| Relationship between the data set and the software, model, etc.
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| Where the software, tools, models, etc. can be obtained if they are not included with the data download.
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| Contact person for questions about the software, tools, models, etc.
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Name:
Organization:
Address:
,
Phone:
email:
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| Papers, reports, and presentations that were done under this project.
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| Restrictions or legal prerequisites for accessing and using this data set.
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No
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