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Columbia Lower and Estuary Subbasin Dashboard

Council Resources

Objectives

Objectives (from 2004 subbasin plan and data)
>1 young per occupied nestBald Eagle
10% net productivity increaseFall Chinook
10% net productivity increaseWinter Steelhead
20% net productivity increaseWinter Steelhead
230% net productivity increaseFall Chinook
90% net productivity increaseChum
Abundance (estuary/mainstem adult spawning only) at I-205: 1,250Chum
Abundance (estuary/mainstem adult spawning only) at Ives and Pierce Islands: 12,000Fall Chinook
Abundance (estuary/mainstem adult spawning only) at Ives Island: 6,400Chum
Abundance (estuary/mainstem adult spawning only) at Multnomah Falls: 2,300Chum
Abundance of 36-72 inch size class: > 400,000; abundance estimates of this size class in the 1990s approached 450,000, which represents modern day record numbersGreen Sturgeon
Abundance of 36-72 inch size class: > 400,000; abundance estimates of this size class in the 1990s approached 450,000, which represents modern day record numbersWhite Sturgeon
Achieve a population with high viability (currently low). Coho
Achieve a porductivity increase of 10%Winter Steelhead
Adult abundance: Minimum of 100,000 adults passing Bonneville Dam annually (represents the 1938-1969 average)Pacific Lamprey
Avoid direct dredging mortality.Green Sturgeon
Avoid direct dredging mortality.Pacific Lamprey
Avoid direct dredging mortality.White Sturgeon
Avoid incidental mortality at Bonneville Dam.Green Sturgeon
Avoid incidental mortality at Bonneville Dam.Pacific Lamprey
Avoid incidental mortality at Bonneville Dam.White Sturgeon
Continue management for a viable population that will maintain sufficient abundance to meet the continued cultural, economic, and ecological needs.Green Sturgeon
Continue management for a viable population that will maintain sufficient abundance to meet the continued cultural, economic, and ecological needs.White Sturgeon
Continue to and reduce, monitor and understand contaminant sources in the Lower Columbia RiverBald Eagle
Crims/Fisher/Lord Islands: ~50Columbia Whitetailed Deer
Decrease conversion of pastures and woodlots to intensive development.Columbia Whitetailed Deer
Develop an understanding of emigrating juvenile salmonid life history diversity and habitat use in the lower mainstem, estuary, and plume.All aquatic focal species
Develop an understanding of emigrating juvenile spring chinook life history diversity and habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Spring Chinook
Develop an understanding of emigrating juvenile coho life history diversity and habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Coho
Develop an understanding of emigrating juvenile summer steelhead life history diversity and habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Summer Steelhead
Develop an understanding of emigrating juvenile winter steelhead life history diversity and habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Winter Steelhead
Develop an understanding of habitat use in the lower mainstem, estuary, and plume.Green Sturgeon
Develop an understanding of habitat use in the lower mainstem, estuary, and plume.Pacific Lamprey
Develop an understanding of habitat use in the lower mainstem, estuary, and plume.White Sturgeon
Develop an understanding of juvenile habitat use in the lower mainstem, estuary, and plume.Green Sturgeon
Develop an understanding of juvenile habitat use in the lower mainstem, estuary, and plume.Pacific Lamprey
Develop an understanding of juvenile habitat use in the lower mainstem, estuary, and plume.White Sturgeon
Develop an understanding of juvenile Pacific lamprey habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Pacific Lamprey
Develop an understanding of spawning habitat characteristics in the lower mainstem and estuary.Green Sturgeon
Develop an understanding of spawning habitat characteristics in the lower mainstem and estuary.Pacific Lamprey
Develop an understanding of spawning habitat characteristics in the lower mainstem and estuary.White Sturgeon
Develop an understanding of white sturgeon habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Green Sturgeon
Develop an understanding of white sturgeon habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.White Sturgeon
Document the interaction between emigrating juvenile salmonids and introduced species; minimize negative interactions.All aquatic focal species
Document the interaction between juveniles and introduced species; minimize negative interactions.Green Sturgeon
Document the interaction between juveniles and introduced species; minimize negative interactions.Pacific Lamprey
Document the interaction between juveniles and introduced species; minimize negative interactions.White Sturgeon
Document the interaction between sturgeon and Pacific lamprey and introduced species; minimize negative interactions.Green Sturgeon
Document the interaction between sturgeon and Pacific lamprey and introduced species; minimize negative interactions.Pacific Lamprey
Document the interaction between sturgeon and Pacific lamprey and introduced species; minimize negative interactions.White Sturgeon
Eliminate or mitigate artificial access barriers for migrating adultsFall Chinook
Eliminate or mitigate artificial access barriers for migrating adults, creating additional spawning & rearing habitatWinter Steelhead
Eliminate or mitigate artificials access barriers for migrating adults, creating additional spawning & rearing habitatCoho
Evaluate/improve survival of upriver juvenile coho emigrating via barge or dam passage.Coho
Evaluate/improve survival of upriver juvenile fall chinook emigrating via barge or dam passage.Fall Chinook
Evaluate/improve survival of upriver juvenile spring chinook emigrating via barge or dam passage.Spring Chinook
Evaluate/improve survival of upriver juvenile summer steelhead emigrating via barge or dam passage.Summer Steelhead
Evaluate/improve survival of upriver juvenile winter steelhead emigrating via barge or dam passage.Winter Steelhead
Harvest levels: ~ 50,000; manage population to maintain recent harvest levels while maintaining spawner abundanceGreen Sturgeon
Harvest levels: ~ 50,000; manage population to maintain recent harvest levels while maintaining spawner abundanceWhite Sturgeon
Identify and Protect existing nesting and foraging areas to ensure no population declines.Bald Eagle
Improve migration conditions and dam passage.Green Sturgeon
Improve migration conditions and dam passage.Pacific Lamprey
Improve migration conditions and dam passage.White Sturgeon
Included in specific subbasinSummer Steelhead
Increase availability of habitatColumbia Whitetailed Deer
Increase forested areas in lowlands and floodplain with hardwood and some coniferous riparian species.Columbia Whitetailed Deer
Increase population numbers to 1,400 (currently 100-300) and achieve a high viability (currently low). Fall Chinook
Increase population numbers to 100 (currently <100) and keep a low viability. Winter Steelhead
Increase population numbers to 100 (currently <100) and very keep a low viability. Chum
Increase population numbers to 100-1,400 (currently 100) and achieve a medium viability (currently low). Fall Chinook
Increase population numbers to 2,600-3,100 (currently 1,000-6,000) and achieve a high viability (currently medium). Chum
Increase population numbers to 200 (currently 200-300) and achieve a high viability (currently low). Winter Steelhead
Increase population numbers to 4,300-7,800 (currently 500-10,000) and achieve a high viability (currently low). Chum
Increase population numbers to 600 (currently unknown) and achieve a high viability (currently low). Coho
Increase productivity and abundance, thereby creating a stable, viable population.Columbia Whitetailed Deer
Increase shallow water peripheral and side channel habitats toward historic levels.All aquatic focal species
Increase the number of overflow channels, lakes, ponds, backwaters, wetlands, and sloughs in floodplain.Columbia Whitetailed Deer
Increase the viability of the bald eagle breeding population in the lower Columbia River, particularly through increased reproductive success.Bald Eagle
Julia Butler Hansen National Wildlife Refuge: ~150Columbia Whitetailed Deer
Mainland refuge: ~150Columbia Whitetailed Deer
Maintain favorable water flow and temperature throughout mainstem and western Oregon tributary incubation period (approx. November-March).Fall Chinook
Maintain favorable water flow and temperature throughout mainstem incubation period.All aquatic focal species
Maintain favorable water flow and temperature throughout mainstem spawning period.All aquatic focal species
Maintain favorable water flow and temperature throughout migration period.All aquatic focal species
Minimize bald eagle disturbance.Bald Eagle
Minimize flood mortality effects.Columbia Whitetailed Deer
Minimize interactions with black-tailed deer.Columbia Whitetailed Deer
Minimize occurrence of parasites and disease.Columbia Whitetailed Deer
Minimize persecution or other man-induced mortality.Bald Eagle
Monitor and minimize mortality resulting from vehicle collisions.Columbia Whitetailed Deer
Mortality: Current estimates range from 0.28 to 0.59 and average 0.46. Mortality estimates at population recovery goals range from 0.23 to 0.58 and average 0.42.Chum
Mortality: Current estimates range from 0.04 to 0.59 and average 0.16. Mortality estimates at population recovery goals range from 0.04 to 0.59 and average 0.16.Summer Steelhead
Mortality: Current estimates range from 0.10 to 0.18 and average 0.14. Mortality estimates at population recovery goals range from 0.10 to 0.18 and average 0.10.Winter Steelhead
Mortality: Current mortality estimates range from 0.29 to 0.38 and average 0.33. Mortality estimates at population recovery goals range from 0.16 to 0.36 and average 0.27. Current mortality estimate for the Lewis River late fall population was 0.39; mortality estimate at population recovery was 0.26.Fall Chinook
Net improvement increments: range from 0% for stabilizing populations to 200% for at least one population targeted for very high viability.Fall Chinook
Net productivity improvements: 30% average for populations targeted for high viability.Fall Chinook
Net productivity increments: 10-80% to reach high viability for coho.Coho
Net productivity increments: 10-80% to reach high viability for steelhead.Summer Steelhead
Net productivity increments: 10-80% to reach high viability for steelhead.Winter Steelhead
Net productivity increments: 30-1000% to reach high viability for chum.Chum
Productivity: >1 recruit per spawnerChum
Productivity: >1 recruit per spawnerFall Chinook
Productivity: >1 recruit per spawnerGreen Sturgeon
Productivity: >1 recruit per spawnerWhite Sturgeon
Protect and enhance existing foraging habitat to insure no further net degradation.Columbia Whitetailed Deer
Protect and restore adult spawning spawning habitat in the Western Oregon tributariesCoho
Protect and restore juvenile rearing habitat in the Western Oregon tributariesCoho
Protect and restore juvenile rearing habitat in the Western Oregon tributariesFall Chinook
Protect existing nesting and foraging habitat.Bald Eagle
Protect existing rearing habitat to ensure no further net degradation.All aquatic focal species
Protect existing spawning habitat to ensure no further net degradation.All aquatic focal species
Protect existing spawning habitat to ensure no future net degradation.Green Sturgeon
Protect existing spawning habitat to ensure no future net degradation.Pacific Lamprey
Protect existing spawning habitat to ensure no future net degradation.White Sturgeon
Protect genetic integrity and biological diversity and abundance of depressed salmonid stocks by directing effort of commercial harvesters in the estuary to alternative, hatchery derived stocksSpring Chinook
Protect genetic integrity and biological diversity and abundance of depressed salmonid stocks by directing effort of commercial harvesters in the estuary to alternative, hatchery derived stocks.Coho
Protect genetic integrity and biological diversity and abundance of depressed salmonid stocks by directing effort of commercial harvesters in the estuary to alternative, hatchery derived stocksSummer Steelhead
Protect genetic integrity and biological diversity and abundance of depressed salmonid stocks by directing effort of commercial harvesters in the estuary to alternative, hatchery derived stocksWinter Steelhead
Protect genetic integrity and biological diversity and abundance of depressed salmonid stocks by directing effort of commercial harvesters in the estuary to alternative, hatchery derived stocksFall Chinook
Protect population from overexploitation.Green Sturgeon
Protect population from overexploitation.Pacific Lamprey
Protect population from overexploitation.White Sturgeon
Reduce contaminant exposure of emigrating juveniles.All aquatic focal species
Reduce contaminant exposure.Bald Eagle
Reduce contaminant exposure.Green Sturgeon
Reduce contaminant exposure.Pacific Lamprey
Reduce contaminant exposure.White Sturgeon
Reduce predation mortality on developing embryos.Green Sturgeon
Reduce predation mortality on developing embryos.Pacific Lamprey
Reduce predation mortality on developing embryos.White Sturgeon
Reduce predation mortality on emigrating juveniles.All aquatic focal species
Reduce predation mortality on fawnsColumbia Whitetailed Deer
Reduce predation mortality on migrating adults.All aquatic focal species
Reduce predation mortality.Green Sturgeon
Reduce predation mortality.Pacific Lamprey
Reduce predation mortality.White Sturgeon
Reduce threats from physical hazards and persecutionBald Eagle
Reintroduce deer to suitable habitat.Columbia Whitetailed Deer
Restore connectivity between river and floodplain, as well as in-river habitats.Spring Chinook
Restore connectivity between river and floodplain, tidally influenced reaches of tributaries, as well as in-river habitats.All aquatic focal species
Restore connectivity between river and floodplain, as well as in-river habitats.Summer Steelhead
Restore connectivity between river and floodplain, as well as in-river habitats.Winter Steelhead
Restore connectivity between tributary deltas and the estuary, the river and the floodplain, as well as inriver habitats.Chum
Restore connectivity between tributary deltas and the estuary, the river and the floodplain, as well as in-river habitats.Coho
Restore connectivity between tributary deltas and the estuary; the river and thefloodplain; as well as inriver habitats.Fall Chinook
Restore habitat diversity and geomorphology of tidally influenced reaches in the WOTs subbareaChum
Restore N-type coho to coastal stratumCoho
Restore spring peak flows in lower Columbia River.Green Sturgeon
Restore spring peak flows in lower Columbia River.Pacific Lamprey
Restore spring peak flows in lower Columbia River.White Sturgeon
Reverse the decreasing abundance trend and manage for populations that can meet cultural and ecological needs.Pacific Lamprey
Tenasillahe Island: ~150Columbia Whitetailed Deer

Goals and strategies under development

Limiting factors & actions

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Click to display the 93 occurrences of impairments by limiting factor affecting multiple species and 49 recommended actions. Click bars for more detail.

External Resources

Programs & plans

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