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Steelhead and salmon distinct population segments

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Endangered and Threatened Species DPS and ESU U.S. range for Steelhead and Salmon

The National Oceanic and Atmospheric Administration, in cooperation with the U.S. Fish and Wildlife Service and Environmental Protection Agency, groups steelhead and salmon into distinct population segments (DPS). There are currently 15 DPS for steelhead (Oncorhynchus mykiss) and 31 evolutionarily significant units (ESU) for five species of Pacific salmon Oncorhynchus. The boundaries of these areas are used to determine whether specific populations of a species should be designated threatened or endangered species under the Endangered Species Act.

Steelhead distinct population segment

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Steelhead Oncorhynchus mykiss
DPS/ESU Name Initial/Revised status Current status Boundary Map[1]
Southern California DPS Endangered (1997), (2006)[2] Endangered (2011)
South-Central California Coast DPS Endangered (1997), Threatened (2006)[3] Threatened (2011)
California Central Valley DPS Threatened (1998), (2006)[4] Threatened (2011)
Central California Coast DPS Threatened (1998), (2006)[5] Threatened (2011)
Northern California DPS Threatened (1998), (2006)[5] Threatened (2011)
Klamath Mountains Province DPS
Lower Columbia River DPS Threatened (1998), (2006)[6] Threatened (2011)
Middle Columbia River DPS Threatened (1999), (2006)[7] Threatened (2011)
Oregon Coast DPS
Puget Sound DPS Threatened (1997)[8] Threatened (2011)
Olympic Peninsula DPS
Snake River Basin DPS Threatened (1997), (2006) [9] Threatened (2011)
Southwest Washington DPS
Upper Columbia River DPS Endangered (1997), Threatened (2006), Endangered (2007), Threatened (2009)[10] Threatened (2011)
Upper Willamette River DPS Threatened (1999), (2006)[11] Threatened (2011)

Pacific salmon evolutionarily significant unit

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Chinook salmon Oncorhynchus tshawytscha
DPS/ESU Name Initial/Revised status Current status Boundary Map[1]
Central Valley Spring-run ESU Threatened (1995), (2005)[12] Threatened (2011)
Central Valley Fall-run and Late Fall-run ESU
California Coast ESU Threatened (1999), (2005)
including hatchery stocks[13]		 Threatened (2011)
Oregon Coast ESU
Mid-Columbia River Spring-run ESU
Lower Columbia River ESU Threatened (1999), (2005)[6] Threatened (2011)
Deschutes River Summer/Fall-run ESU
Southern Oregon & Northern California Coastal ESU
Snake River Spring/Summer-run ESU Threatened (1992), (2005)[9] Threatened (2011)
Snake River Fall-run ESU Threatened (1992), (2005)[9] Threatened (2011)
Sacramento River Winter-run ESU Threatened (1989), (1990), Endangered (1992),
Threatened (2004), Endangered (2005)[14]		 Endangered (2011)
Puget Sound ESU Threatened (1995), (2005)[8] Threatened (2001)
Washington Coast ESU
Upper Willamette River ESU Threatened (1999), (2005)[11] Threatened (2011)
Upper Klamath-Trinity Rivers ESU
Upper Columbia River Summer/Fall-run ESU
Upper Columbia River Spring-run ESU Endangered (1999), (2005)[10] Endangered (2011)
Coho salmon Oncorhynchus kisutch
DPS/ESU Name Initial/Revised status Current status Boundary Map[1]
Central California Coast ESU Endangered (1996), (2005)
including hatchery stocks[13]		 Endangered (2011)
Lower Columbia River ESU Threatened (2005)[6] Threatened (2011)
Olympic Peninsula ESU
Oregon Coast ESU
Puget Sound/Strait of Georgia ESU
Southern Oregon/Northern California ESU Threatened (1997), (2005)[15] Threatened (2011)
Southwest Washington ESU
Sockeye salmon Oncorhynchus nerka
DPS/ESU Name Initial/Revised status Current status Boundary Map[1]
Baker River ESU
Lake Pleasant ESU
Lake Wenatchee ESU
Okanogan River ESU
Ozette Lake ESU Threatened (1999), (2005)[16] Threatened (2011)
Quniault Lake ESU
Snake River ESU Endangered (1991), (2005)[9] Endangered (2011)
Chum salmon Oncorhynchus keta
DPS/ESU Name Initial/Revised status Current status Boundary Map[1]
Columbia River ESU Threatened (1999), (2005)[6] Threatened (2011)
Hood Canal Summer-run ESU Threatened (1995), (2005)[8] Threatened (2001)
Pacific Coast ESU
Puget Sound/Strait of Georgia ESU
Pink salmon Oncorhynchus gorbuscha
DPS/ESU Name Initial/Revised status Current status Boundary Map[1]
Even-year ESU
Odd-year ESU

Notes

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  1. ^ a b c d e f "Species Boundaries Salmon and Steelhead". National Oceanic and Atmospheric Administration. Retrieved 2013-12-03.
  2. ^ "ESA Threatened & Endangered Steehead". National Oceanic and Atmospheric Administration. 2022. Retrieved 2022-01-13.
  3. ^ "South-Central/Southern California Coast Steelhead Recovery Planning Domain 5-Year Review: Summary and Evaluation of South-Central California Coast Steelhead Distinct Population Segment" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  4. ^ "Central Valley Recovery Domain 5-Year Review: Summary and Evaluation of Central Valley Steelhead DPS" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  5. ^ a b "North-Central California Coast Recovery Domain 5-Year Review: Summary and Evaluation of Central California Coastal Steelhead DPS Northern California Steelhead DPS" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  6. ^ a b c d "5-Year Review: Summary & Evaluation of Lower Columbia River Chinook, Columbia River Chum, Lower Columbia River Coho, Lower Columbia River Steelhead" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  7. ^ "5-Year Review: Summary & Evaluation of Middle Columbia River Steelhead" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-01.
  8. ^ a b c "5-Year Review: Summary & Evaluation of Puget Sound Chinook, Hood Canal Summer Chum, Puget Sound Steelhead" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  9. ^ a b c d "5-Year Review: Summary & Evaluation of Snake River Sockeye, Snake River Spring-Summer Chinook, Snake River Fall-Run Chinook, Snake River Basin Steelhead" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  10. ^ a b "5-Year Review: Summary & Evaluation of Upper Columbia River Steelhead, Upper Columbia River Spring-run Chinook" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  11. ^ a b "5-Year Review: Summary & Evaluation of Upper Willamette River Steelhead and Upper Willamette River Chinook" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  12. ^ "Central Valley Recovery Domain 5 Year Review: Summary and Evaluation of Central Valley Spring-run Chinook Salmon ESU" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  13. ^ a b "North-Central California Coast Recovery Program 5-Year Review: Summary and Evaluation of California Coastal Chinook Salmon ESU, Central California Coast Coho Salmon ESU" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  14. ^ "Central Valley Recovery Domain 5-Year Review: Summary and Evaluation of Sacramento River Winter-run Chinook Salmon ESU" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
  15. ^ "Southern Oregon/Northern California Coast Recovery Domain 5-Year Review: Summary and Evaluation of Southern Oregon/Northern California Coast Coho Salmon ESU" (PDF). National Oceanic and Atmospheric Administrations. 2011. Retrieved 2013-12-03.
  16. ^ "5-Year Review: Summary & Evaluation of Ozette Lake Sockeye" (PDF). National Oceanic and Atmospheric Administration. 2011. Retrieved 2013-12-03.
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