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On February 18, 2010, both the Klamath Basin Restoration Agreement (KBRA) and the Klamath Hydroelectric Settlement Agreement (KHSA) were approved by numerous federal, state, and local stakeholders representing public, private, and tribal interests in the Klamath Basin. Both agreements, if implemented, would collectively result in the removal of four dams on the Klamath River that currently block upstream passage for anadromous fish to historically occupied habitat. These native fish are Pacific lamprey, steelhead, coho salmon, and Chinook salmon.

The Secretary of the Interior (Secretary) must determine if the implementation of these two agreements is in the public interest on or before March 31, 2012. The Secretary will evaluate two alternative management scenarios for the Klamath Basin in making the Secretarial Determination: Conditions with Dams (current hydroelectric operations into the future) and Conditions without Dams and with KBRA. The evaluation period is 50 years (2012-2062).

As one element in informing the Secretary on the benefits of each alternative, the U.S. Fish and Wildlife Service and the National Marine Fisheries Service have determined that important existing and new scientific information that could influence the Secretarial Determination should receive both expert and peer review. With regard to the benefits of each alternative on native Klamath Basin fishes, the U.S. Fish and Wildlife Service convened four native fish expert panels to review, evaluate, and synthesize influential information. These four expert panels are: 1) lamprey; 2) resident fish; 3) coho salmon and steelhead; and 4) Chinook salmon. The draft and final reports of these expert panels will be posted on this site as they are completed.

 Pacific Lamprey

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Lamprey Report Draft 7-26-10.pdfLamprey Report Draft 7-26-10
DRAFT REPORT: Scientific Assessment of Two Dam Removal Alternatives on Lamprey (July 26, 2010)
4/11/2011 5:43 PM
Lamprey Final EP Report 1-14-11.pdfLamprey Final EP Report 1-14-11
FINAL REPORT: Scientific Assessment of Two Dam Removal Alternatives on Lamprey (January 14, 2011)
4/11/2011 5:42 PM

 Resident Fish

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RF Final 04 11 11.pdfRF Final 04 11 11
FINAL REPORT: Scientific Assessment of Two Dam Removal Alternatives on Resident Fish (April 11, 2011)
4/11/2011 5:39 PM
RF Draft 1-13-11.pdfRF Draft 1-13-11
DRAFT REPORT: Scientific Assessment of Two Dam Removal Alternatives on Resident Fish (January 13, 2011)
4/11/2011 5:33 PM

 Chinook Salmon

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Release Notice of Addendum Final Report_Chinook Salmon_Klamath Expert Panels_07 20 11.pdfRelease Notice of Addendum Final Report_Chinook Salmon_Klamath Expert Panels_07 20 11
Release notice of ADDENDUM FINAl REPORT in response to minor errors in the literature cited and several comments inadvertently omitted from the final report dated June 13, 2011.
7/20/2011 3:38 PM
ADDENDUM FINAL Report (redline version)_Chinook Salmon_Klamath Expert Panels_07 20 11.pdfADDENDUM FINAL Report (redline version)_Chinook Salmon_Klamath Expert Panels_07 20 11
ADDENDUM FINAL REPORT (redline): Scientific Assessment of Two Dam Removal Alternatives on Chinook Salmon (July 20, 2011) displaying all changes to the June 30, 2011 FINAL REPORT in gray-highlighted, strikethrough/underline format.
7/20/2011 3:21 PM
ADDENDUM FINAL Report (clean version)_Chinook Salmon_Klamath Expert Panels_07 20 11.pdfADDENDUM FINAL Report (clean version)_Chinook Salmon_Klamath Expert Panels_07 20 11
ADDENDUM FINAL REPORT (clean): Scientific Assessment of Two Dam Removal Alternatives on Chinook Salmon (July 20, 2011). All changes to the June 30, 2011 FINAL REPORT are incorporated, but not displayed in gray-highlighted, strikethrough/underline format.
7/20/2011 3:21 PM
Notice of Addendum Final Report_Chinook Salmon_Klamath Expert Panels_06 20 11.pdfNotice of Addendum Final Report_Chinook Salmon_Klamath Expert Panels_06 20 11
Notice that on June 15, 2011 it had been brought to Atkins' attention that several comments submitted during the review period (May 2 - May 12, 2011) had not been received or were inadvertently omitted. Preparation of an ADDENDUM report has commenced.
6/24/2011 5:28 PM
FINAL Report_Chinook Salmon_Klamath Expert Panels_06 13 11.pdfFINAL Report_Chinook Salmon_Klamath Expert Panels_06 13 11
FINAL REPORT: Scientific Assessment of Two Dam Removal Alternatives on Chinook Salmon (June 13, 2011)
6/17/2011 2:40 PM
DRAFT Report_Chinook Salmon_Klamath Expert Panels_05 02 11.pdfDRAFT Report_Chinook Salmon_Klamath Expert Panels_05 02 11
DRAFT REPORT: Scientific Assessment of Two Dam Removal Alternatives on Chinook Salmon (May 2, 2011)
5/2/2011 8:20 PM

 Coho Salmon and Steelhead

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FINAL Report_Coho Salmon-Steelhead_Klamath Expert Panels_04 25 11.pdfFINAL Report_Coho Salmon-Steelhead_Klamath Expert Panels_04 25 11
FINAL REPORT: Scientific Assessment of Two Dam Removal Alternatives on Coho Salmon and Steelhead (April 25, 2011)
4/25/2011 5:19 PM
DRAFT Report_Coho Salmon-Steelhead_Klamath Expert Panels_01 08 11.pdfDRAFT Report_Coho Salmon-Steelhead_Klamath Expert Panels_01 08 11
DRAFT REPORT: Scientific Assessment of Two Dam Removal Alternatives on Coho Salmon and Steelhead (January 8, 2011)
4/25/2011 5:19 PM