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Lower Granite Juvenile Fall Chinook PBT

Data Categories Fish passage
Dates of Data 2023 TO 2023
Data Set Status In work
Data Set Update Schedule Annually
Date Data Set Published on StreamNet Data Store 04-10-2024
Project Name & Number 1991-029-00
Purpose of Data Set Staff of the USGS have developed a model to estimate the daily abundance of natural-origin subyearling fall Chinook salmon at Lower Granite Dam. The model uses information from unmarked fish in the sample tank at the juvenile fish facility. The collection of PBT information will serve to validate estimates of daily abundance produced from the model.
Summary / Abstract This contains parentage-based tagging (PBT) information on run-at-large subyearling fall Chinook collected at Lower Granite Dam in 2023 to validate a juvenile abundance estimation model.
Broad Biological Groups Fishes
Taxa Chinook salmon Oncorhynchus tshawytscha (Walbaum, 1792)
Location Snake River above Lower Granite Dam.
NPCC Subbasins (2001 Subbasins) Basinwide
Blue Mountain: Snake Hells Canyon
Columbia Plateau: Snake lower
Hatcheries Lyons Ferry, Nez Perce Tribal
Dams Lower Granite
Keywords PBT, fall Chinook, genetics
Lead Person and Organization That Created the Data Set US Geological Survey (USGS)
Other Participating Organizations Funding provided by Bonneville Power Administration
Contact Person for Questions About the Data Name:  Ken Tiffan
Organization:  U.S. Geological Survey
Address:  5501A Cook-Underwood Rd
Cook, WA  98605
Phone:  509-538-2972
Broad Category of Methods Field
Data Collection Methods Juvenile fish facility
File Formats Excel 2000 or later
Data structure description There are three tabs in this spreadsheet. The first is a "Summary" tab that summarizes the number of hatchery and natural-origin fish collected. The second is an "Individual Data" tab the contains all the data from individual fish samples. The third is a "Column Definitions" tab that describes the columns in the Individual Data tab.
URL where updated data may be available
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File Size: 92 KB