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File Size: 970 KB

You can link directly to this data set by using either of these two links:
FTP url: ftp://ftp.streamnet.org/files/663/663.zip
HTTP url: http://www.streamnet.org/files/663/663.zip


Snake River Fall Chinook Salmon Life History Investigations


Data Categories Food habits/diet; habitat use/habitat preference; predation
Dates of Data 2012 TO 2016
Data Set Status In work
Data Set Update Schedule Annually
Date Data Set Published on StreamNet Data Store 03-29-2017
Project Name & Number 2002-032-00
Purpose of Data Set For the past five years, we have been studying smallmouth bass predation on juvenile fall Chinook salmon in Lower Granite Reservoir in the Snake River. We have produced information on bass diets, bass abundance, bass consumption rates of juvenile Chinook salmon, and total loss of juvenile Chinook to predation.
Summary / Abstract Data collected in 2016 contain the catch of smallmouth bass in Lower Granite Reservoir and their stomach contents from which we estimated consumption of juvenile fall Chinook salmon. Fish were collected by electrofishing and sampling was stratified by habitat categories defined as suitable for fall Chinook, natural (natural shoreline but not suitable for fall Chinook), and riprap (artificial and not suitable for fall Chinook). The data sets contain information on habitat sampled, catch of smallmouth bass and fall Chinook, and diet information from bass.
Broad Biological Groups Fishes, invertebrates
Taxa Smallmouth bass (Micropterus dolomieu)
Chinook salmon (Oncorhynchus tshawytscha)
Additional fish and invertebrate species are listed in the "Read me" tabs of each spreadsheet.
Location Lower Granite Reservoir from the dam (river kilometer 173) upstream to the Port of Wilma (river kilometer 220).
NPCC Subbasins (2001 Subbasins) Middle Snake: Snake lower middle
Hatcheries
Dams Lower Granite Dam
Keywords Predation, smallmouth bass, Snake River, Lower Granite Reservoir, Chinook salmon
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
Position:  
Organization:  U.S. Geological Survey
Address:  5501A Cook-Underwood Rd.
Cook, WA  98605
USA
Phone:  509-538-2972
email:  ktiffan@usgs.gov
Broad Category of Methods Field; Lab
Data Collection Methods Field: electrofishing
Lab: diet analysis
File Formats Microsoft Excel 2010
Data structure description File: Streamnet Predation 2016
This file contains three tabs. The first is "Read me" which defines all column names in the other two sheets. The "Site Data" tab contains data related to sampling each site as well as fish catch. The "Fish Data" tab contains the diet information collected from sampled smallmouth bass. These two sheets are linked by a common column called "Transect ID."

File: Field Stomach Data 2016
This file contains three tabs. The first is "Read me" which defines all column names in the other two sheets. The "Catch Data" tab contains data related to sampling each site as well as fish catch. The "Fish Data" tab contains lengths and weights of collected fish. Diet data from collected fish will be added later as analyses are still underway. These two sheets can be linked by "Date."
URL where updated data may be available
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:
Relationship between the data set and the software, model, etc.
Where the software, tools, models, etc. can be obtained if they are not included with the data download.
Contact person for questions about the software, tools, models, etc. Name:  Ken Tiffan
Organization:  U.S. Geological Survey
Address:  5501A Cook-Underwood Rd.
Cook, WA 98605
USA
Phone:  509-538-2972
email:  ktiffan@usgs.gov
Papers, reports, and presentations that were done under this project.
Restrictions or legal prerequisites for accessing and using this data set. No

File Size: 970 KB