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The Colville Tribes Anadromous Fisheries Division maintains a database for all research, monitoring, evaluation, analysis and reporting for the Okanogan River. This database was developed in coordination with other local and regional data management processes in order to maintain data integrity, quality control and quality assurance. Processed data are available from this web page. Raw data may be obtained through direct contact with the program managers.
The Colville Tribes Anadromous Fisheries Department produces annual reports providing essential information on habitat conditions and fish populations in the Okanogan basin. These documents present analysis and results derived from field data collected during the previous year. These reports provide baseline information for use in effectiveness monitoring, describe status and trend estimates for all salmon and steelhead populations within the Okanogan River basin, and will potentially improve both the Okanogan Subbasin Plan and the Chief Joseph Dam Hatchery Evaluation Plan.
2004 Annual Report
2005 Annual Report
2006 Annual Report
Annual
Report-Canada 2005
Annual Report-Canada 2006
Prior to 2005, steelhead redd surveys had never been conducted in the Okanogan River basin (with the exception of Omak Creek beginning in 2001). An extensive literature review indicated several verifiable statements about summer steelhead spawning in the mainstem Okanogan River and tributaries in the United States portion of the drainage. Historic, anecdotal observations are corroborated in these surveys.
Steelhead
Spawning Survey 2005
Steelhead Spawning Survey 2006
Steelhead Spawning Survey 2006 - Canada
Spring Spawner Survey 2007
The Colville Tribes Fish and Wildlife Department conducts snorkel surveys throughout the Okanogan basin as part of the Okanogan Basin Monitoring and Evaluation Project (OBMEP). We started these surveys in 2004 and in 2005 we conducted snorkel surveys for the first time along the main-stem Okanogan River and in many of the tributaries especially in the Canadian portion of the basin.
2005 Snorkel surveys
2006 Snorkel Surveys
2007 Snorkel Surveys
Summer Chinook salmon spawning ground surveys in the Methow and Okanogan river basins began in 1956. Spawning survey methodology has ranged from aerial peak counts to comprehensive total ground counts initiated in 1990. The Washington Department of Fish and Wildlife Supplementation Research Team (SRT) has been conducting spawning ground surveys in tributaries above Wells Dam and in the Chelan River since 1998.
2004 Upper Columbia River Summer Chinook Spawning Ground Surveys
2005 Upper Columbia River Summer Chinook Spawning Ground Surveys
2006 Upper Columbia River Summer Chinook Spawning Ground Surveys
The Colville Tribes identified the need for collecting baseline data on the timing and abundance of juvenile salmonids in the Okanogan River basin for the purpose of documenting local fish populations, augmenting existing fishery data and assessing natural production trends of salmonids. In order to gain insight with regards to juvenile salmonid production, OBMEP initiated smolt trapping operations in the Okanogan River in 2006. The primary objective of this monitoring program was collecting usable data for determining the status and trends of anadromous salmonids in the Okanogan Basin, with emphasis focused on summer Chinook and steelhead.
2006 Okanogan River Rotary Screw Trap Report
The Colville Tribes identified the need for collecting baseline data on the timing and abundance of adult salmonids in the Okanogan River basin in order to determine basin and tributary-specific spawner distributions, evaluate the status and trends of natural salmonid production in the basin, document local fish populations, and augment existing fishery data. This report documents the design, installation, operation and evaluation of mainstem and tributary video systems in the Okanogan River Basin. The species-specific data collected by these fish enumeration systems are presented here. Information collected by the Colville Tribes Fish & Wildlife Department, specifically OBMEP, is intended to provide a relative abundance indicator for anadromous fish runs migrating past Zosel Dam and is not intended as an absolute census count.
2006 Zosel Dam Adult Enumeration Report
The list of primary water quality indicators appropriate for monitoring of anadromous fish, as identified by the Upper Columbia Monitoring Strategy, includes: discharge, temperature, dissolved oxygen, pH, turbidity, conductivity, nitrogen, phosphorus and ammonia. The Colville Tribes’ Fish and Wildlife Department began evaluating these water quality indicators in 2005 and this report represents data collected from October 1, 2005 through September 30, 2006.
2006 Okanogan Basin Water Quality and Quantity Report
The Okanogan Basin is a transboundary tributary of the Columbia River. The Okanagan
Nation Alliance (ONA) in British Columbia and the Colville Confederated Tribes (CCT) in
Washington are working collaboratively to monitor and evaluate this transboundary sub
basin. The purpose of these reports are to locate and document fish migration barriers in the Canadian Okanagan OBMEP study area and to summarize habitat data collected in the Okanogan sub-basin in Canada
Canada survey of barriers to anadromous fish
Barriers to Anadromous Fish in the Okanogan River Basin
Macroinvertebrates were sampled in the Okanogan River Basin. Metrics were calculated and summarized for all sites sampled in 2007. Okanagan B-IBI scores were then calculated for all sites using the 5-metric benthic invertebrate – index of biotic integrity (OK B-IBI) developed by Jensen (2006).
Aquatic macroinvertebrate sampling results 2007
We have finalized appropriate field protocols for data collection of habitat, biological and water quality parameters related to anadromous fish in the Okanogan Basin. These protocols have been developed based on information collected from the upper Columbia Strategies and additional reference materials developed from the CSMEP and PNAMP processes. To ensure compatibility with other regional and basin wide projects that are underway, we have coordinated our activities with multiple disciplines and agencies throughout the Okanogan River basin, Columbia Cascade Province and Columbia River Basin. Our final protocols have undergone stringent testing by OBMEP biologists and field technicians.
These represent the protocols utilized for collecting data since 2004 to present. We will remain responsive to suggested changes in versioning methodologies as they are developed by the groups mentioned. We don’t plan to make any significant changes to these documents prior to 2012 (unless necessary) to remain consistent with other coordinated efforts.
Physical Habitat Protocols
Water Quality Protocols
Rotary Screw Trap Protocols
Snorkel Protocol
Invertebrate Sampling Protocol
Redd Survey Protocol
Fish Enumeration Using Underwater Video Imagery
The Objective of this report was to find a suitable site to operate a fish enumeration facility that would achieve an Okanogan Basin system-wide census count using “remote” methods. In this report we: identify potential sites to conduct census counts, assessed physical site characteristics, identified a suitable method to conduct census counts and then developed a conceptual design of the counting system.
A Conceptual Proposal for a Salmon Enumeration facility
The primary goal of these documents is annual disclosure of the OBMEP focus for the year. Generally, OBMEP will continue implementing a basin-wide monitoring and evaluation program, continue data collection, and continue constructing and updating data infrastructure for the basin. This monitoring and evaluation program will provide status and trend data for all anadromous fish species in the Okanogan River basin for the next 20 years.
2006 OBMEP Work Plan
2007 OBMEP Work Plan
Data management begins well before the point of field collection and continues through the analysis and decision making phases. A comprehensive data management plan is a required element for any effective monitoring program and many steps are required to maintain data integrity. Information that is easily accessible and assessable allows for simplified data reduction, summary and display. Timely analysis of monitoring data is essential for directing an established decision making and action process. The continued ability to retrieve data from a secure archive is also very important.
Translating and entering data into the OBMEP database
OBMEP Database User's Manual
Okanogan River sockeye are the southerly most distributed stock of this species in Canada. Data has been collected by the Department of Fisheries and Oceans, Canada (DFO) and the Okanagan Nation Alliance on juvenile sockeye in Osoyoos Lake and spawning sockeye in the Okanogan River in Canada. Currently Osoyoos Lake is the only available rearing habitat for naturally spawning juvenile sockeye in the Okanogan Basin. This data was collected from Osoyoos Lake using hydro-acoustic methodologies and from spawning ground surveys.
Sockeye Salmon Escapement 1947-2001
Habitat based Evaluation of Sockeye Salmon Escapement Objectives
2004 Sockeye Enumeration Report
Effect of Variations in Aquatic Thermal Regimes on Sockeye Salmon During Freshwater Migration
This is the baseline plan that the OBMEP program was developed from. The monitoring plan described in this document is not another regional monitoring strategy. Rather, this plan draws from the existing strategies (ISAB, Action Agencies/NOAA Fisheries, and SRFB) and outlines an approach specific to the Upper Columbia Basin. The plan described here addresses the following basic questions :
The plan is designed to address these questions and at the same time eliminate duplication of work, reduce costs, and increase monitoring efficiency.
Upper Columbia Basin Monitoring Strategy
The Upper Columbia Salmon Recovery Board developed this plan for the recovery of Upper Columbia spring Chinook (listed as endangered on March 24, 1999), and Upper Columbia steelhead (listed as endangered on August 18, 1997).
Upper
Columbia Salmon and Steelhead Recovery Plan
Passive Integrated Transponders, or PIT tags, are used in mark-recapture research of fish populations in the Columbia River Basin. PIT tags, in particular, have been utilized to evaluate survival across a variety of life stages for anadromous fishes in the Columbia River and its major tributaries. The objective for this document is to establish interim working protocols for the capture, handling, and tagging of wild salmonids in the Upper Columbia River Basin using PIT tags. Final protocols will be developed pending additional review after these interim protocols are evaluated during the 2008 field season.
ISEMP Field Manual for the
use of PIT Tags in the Upper Columbia River Basin (March 2008)
In sum, the subbasin plan findings conclude that restoration of viable fish and wildlife populations in the Okanogan will require considerable effort and resources on both sides of the geopolitical border. Consequently, this plan stipulates and provides a biological roadmap based on ecosystem principles and focal species' ecology to guide actions.
Okanogan
Subbasin Management Plan 2004
This document is the one stop document on data related to Lakes located within the boundaries of the Colville Indian Reservation located in North Central Washington. General information on the lakes, past stocking history and data collected is provided. Detailed information on each lake is provided along with photographs of each lake and bathymetric maps where available. This document provides the basis for current fisheries management and future actions are recommended
Colville Reservation Resident Fish Compendium and Management plan
