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Scientific Report

Pacific Lamprey Research and Restoration: Annual Report 1996


The once abundant stocks of Pacific Lamprey (Lampetra tridentata) above Bonneville Dam are currently depressed. It is likely that many of the same factors that led to the decline of wild stocks of Columbia River Pacific salmon and steelhead have impacted Pacific Lamprey populations. The Pacific Lamprey is an important part of the food web of North Pacific ecosystems, both as predator and prey. Lamprey (a.k.a. eels) are also a valuable food and culture resource for American Indian Tribes of the Pacific Northwest. Depressed Pacific Lamprey runs have impacted treaty secured fishing opportunities by forcing tribal members to gather this traditional food in lower Columbia River locations.


Aaron Jackson, Paul Kissner, Douglas Hatch, Blaine Parker, David Close, Martin Fitzpatrick, and Hiram Li


Jackson, A.D., P.D. Kissner, D.R. Hatch, B.L. Parker, D.A. Close, M.S. Fitzpatrick, and H. Li, 1997. Pacific lamprey research and restoration: annual report 1996. Bonneville Power Administration, Portland, OR. Project Number 1994-026. 68p.


Aug 5th, 1997

Report No.


Media Type

Inter-Agency Report

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