Found 114 datasets matching filters.
-
Understanding how routing modifications influence survival of juvenile salmon is complex because reach-specific survival and routing at key river junctions in the North Delta each have a different...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
Tabular data pertaining to biometrics, histology, genetics, and information relating to location and date of capture of Chinook salmon caught in the Yukon River for Ichthyophonus project.
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-01-25 -
This release includes all data collected in support of a juvenile Chinook salmon exposure study designed to understand the retention of microplastic clothing fibers (hereon refered to as...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
Radio telemetry was used to determine the distribution, locate spawning sites, and evaluate the tagging response of wild Chinook salmon Oncorhynchus tshawytscha returning to a large, free-flowing...
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-12-19 -
The goal of this U.S. Army Corps of Engineers (USACE) - funded study that began in 2004 is to determine if the smolt-to-adult return rates (SARs), transport/in-river ratio, and differential...
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-12-20 -
The goal of the tidal-fluvial estuary study is to determine the estuary's contribution to the spatial structure and life history diversity of Columbia River salmon stocks and the implications for...
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-12-20 -
The United States Fish and Wildlife Service's (USFWS) Delta Boat Electrofishing Survey was designed to estimate spatial and temporal trends in abundance, occupancy, capture probabilities, and...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-01-07 -
This project examines the factors influencing fish populations including habitat, harvest, hatcheries, hydropower system operations, and climate change. It seeks to estimate impacts of these...
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-12-20 -
Hourly counts of all fish species observed at the Andreafsky Weir. Data are derived from weir video feed for available years 2015-2023. Counts were done hour by hour for 24 hours a day unless...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-01-25 -
This investigation sought to characterize the shedding of infectious hematopoietic necrosis virus (IHNV) in two populations of Columbia River Basin (CRB) Chinook salmon (Oncorhynchus tshawytscha)....
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The goal of the Trinity River project is to identify the potential positive effects of large-scale restoration actions in a 63 kilometer reach of the Trinity River below Lewiston Dam, in the hope...
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-12-20 -
The Upper Willamette River (UWR) Chinook salmon Ecologically Significant Unit (ESU) includes naturally spawned Chinook salmon originating from the Clackamas River and from the Willamette River and...
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-12-19 -
Few estimates of Chinook egg-to-fry survival exist despite the fact that this is thought to be one of the life stages limiting production of many listed Chinook populations. The objective of this...
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-12-20 -
Shapefile containing results from ESRI Survey123 form designed for ground truthing side-scan sonar riverine habitat mapping in the Chena River.
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-04 -
The goal of the tidal-fluvial estuary study is to determine the estuary's contribution to the spatial structure and life history diversity of Columbia River salmon stocks and the implications for...
Search relevance: 1.00 | Views last month: 2 | Published on: 2025-12-20 -
Raw data files downloaded from from a side-scan sonar unit (Humminbird Helix 15) generated while conducting transects throughout the lower Chena River to create a substrate map in 2021 and 2022....
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-04 -
The Upper Willamette River (UWR) Chinook salmon Ecologically Significant Unit (ESU) includes naturally spawned Chinook salmon originating from the Clackamas River and from the Willamette River and...
Search relevance: 1.00 | Views last month: 1 | Published on: 2025-12-19 -
1) The purpose of this project is to document juvenile salmon habitat occurrence in the Lower Columbia River and estuary, and examine how habitat conditions influence their distribution, health,...
Search relevance: 1.00 | Views last month: 1 | Published on: 2025-12-20 -
Juvenile salmon measured fork lengths collected from baited “minnow” traps in Campbell Creek, Alaska
Tabular dataset containing the fork length of captured salmonids as well as the sampling reach wherein they were captured and date when they were captured during a baited minnow trap study in...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-01-25 -
1. The purpose of this project is to measure and monitor impacts on ESA-listed populations and to estimate overall Chinook salmon stock composition in bycatch associated with the hake fisheries...
Search relevance: 1.00 | Views last month: 1 | Published on: 2025-12-20
