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MetaData for Hatchery Coho Returns

Hatchery Coho Returns

Identification Information
Citation
Originator: Mark Lewis
Publish Date: March 23, 2004
Online Link: None
BPA Project #:
Contact Information
Agency: Oregon Department of Fish and Wildlife
Name: Mark Lewis
Job Position: Hatchery Assessment Biologist
Telephone: (541) 757-4263 ex241
E-Mail Address: mark.lewis@oregonstate.edu
Description
Abstract: The excel spreadsheet data file associated with this report summarizes returns of coho adults and jacks to hatcheries and associated fish traps in the Oregon Coast Coho ESU, for the period 1990 through 2003. In some cases coho are collected at locations remote from the hatchery. The number of "off-site" collected fish brought to a hatchery for use in the hatcheries broodstock is reported separately from fish that swam into the hatchery volitionally. Such "off-site" locations are generally well removed from the hatchery location. These fish should be assumed to be wild fish although we don't always know for sure. The data is reported by run year and is summarized at 3 geographic levels; by population, by monitoring area, and total for the ESU. Returning hatchery coho adults have been massed marked since the 1998 run year. Thus, for the 1998 through 2003 run years the coho returns are reported as wild (unmarked) or hatchery (marked) fish. Prior run years only report the total coho returns to the hatchery. Winchester Dam counts are reported for the Upper Umpqua coho population and the Umpqua monitoring area because that is where Rock Creek hatchery collects most of their coho broodstock. Very few coho swim-in to the Rock Creek hatchery trap.

Purpose: The data presented is the best available information, and is appropriate to represent returns of coho to hatcheries and associated fish traps in the Oregon Coast Coho ESU. This data is a summary of the information available in the HMIS system. Un-summarized data, including specific date, size and location of release, is available by contacting ODFW hatchery staff located at the Salem headquarters.

Time Period of Content: Adult return years 1990 through 2003
Geographic Extent: Oreogn Coast Coho ESU
Status: Draft
Keywords:
Use Constraints:
Format: Microsoft Excel 2000 Spreadsheet


Data Quality Information
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Data Information
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Files
File Name File Type Category File Uploaded File Description
Hatchery Coho Returns - Draft 1.doc Document File 3/23/2004 1:58:35 PM
OPSW 2004 Assessment (Hatchery Returns).xls Data File 3/23/2004 1:57:43 PM

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