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Cowlitz Subbasin Dashboard

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Objectives

Objectives (from 2004 subbasin plan and data)
Natural Adults
Lower Cowlitz - 3,700; Coweeman - 1,200; South Fork Toutle = 1,900; North Fork Toutle - 1,900; Upper Cowlitz - 2,000; Cispus - 2,000; Tilton - No objective
Coho
Natural Adults
Lower Cowlitz - 400; Coweeman - 500; South Fork Toutle - 600; North Fork Toutle - 600; Upper Cowlitz - 500; Cispus - 500; Tilton - 200
Winter Steelhead
Natural Adults
Upper Cowlitz - 1,800; Cispus - 1,800; Tilton - 100; Toutle - 1,100
Spring Chinook
Natural Adults
Upper Cowlitz - no objective; Lower Cowlitz - 3,000; Toutle - 4,000; Coweeman - 900
Fall Chinook
>1 young per occupied nestBald Eagle
10% productivity increaseCoho
20% productivity increaseFall Chinook
40% productivity increaseChum
Abundance (estuary/mainstem adult spawning only) at I-205: 1,250Chum
Abundance (estuary/mainstem adult spawning only) at Ives Island: 6,400Chum
Abundance (estuary/mainstem adult spawning only) at Multnomah Falls: 2,300Chum
Abundance at Ives and Pierce Islands: 12,000Fall Chinook
Achieve a net productivity increase of 0%Fall Chinook
Achieve a net productivity increase of 20%Fall Chinook
Achieve a net productivity increase of 200%Fall Chinook
Achieve a net productivity increase of 40%Chum
Achieve a net productivity increase of 80%Coho
Achieve population numbers of 1,000 (currently 300-5,000) and keep a low viability (currently low). Fall Chinook
Achieve population numbers of 1,400 - 1,900 (currently 200 - 2,500) and achieve a high viability (currently medium). Coho
Achieve population numbers of 150 - 1,100 (currently <150) and achieve a medium viability (currently very low). Chum
Achieve population numbers of 150 - 1,400 (currently <200) and achieve a medium viability (currently very low). Spring Chinook
Achieve population numbers of 2,800 - 8,100 and achieve a high viability (currently low). Chum
Achieve population numbers of 3,000 - 4,100 (currently 100-2,100) and achieve a high viability (currently medium). Fall Chinook
Achieve population numbers of 3,900 - 33,200 (currently 1,000-1,300) and achieve a medium viability (currently low). Fall Chinook
Achieve population numbers of 300 and achieve a medium viability (currently very low). Coho
Achieve population numbers of 600 (currently unknown) and achieve a high viability (currently low). Coho
Achieve population numbers of 600 and achieve a high viability (currently low). Coho
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 chum salmon life history diversity and habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Chum
Develop an understanding of emigrating juvenile fall chinook life history diversity and habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Fall Chinook
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 winter steelhead life history diversity and habitat use in the lower mainstem, Western Oregon tributaries, estuary, and plume.Coho
Document the interaction between emigrating juvenile chum salmon and introduced species; minimize negative interactions.Chum
Document the interaction between emigrating juvenile fall chinook and introduced species; minimize negative interactions.Fall Chinook
Document the interaction between emigrating juvenile spring chinook and introduced species; minimize negative interactions.Spring Chinook
Document the interaction between emigrating juvenile winter steelhead and introduced species; minimize negative interactions.Coho
Eliminate or mitigate artificial access barriers for migrating adults, creating additional spawning & rearing habitatCoho
Eliminate or mitigate artificial access barriers for migrating adultsFall Chinook
Evaluate/improve survival of upriver juvenile winter steelhead 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
Fall Run - 900 natural adults; Summer Run - 900 natural adtuls Chum
Identify and Protect existing nesting and foraging areas to ensure no population declines.Bald Eagle
Increase availability of habitatColumbia Whitetailed Deer
Increase forested areas in lowlands and floodplain with hardwood and some coniferous riparian species.Columbia Whitetailed Deer
Increase productivity and abundance, thereby creating a stable, viable population.Columbia Whitetailed Deer
Increase shallow water peripheral and side channel habitats toward historic levels.Chum
Increase shallow water peripheral and side channel habitats toward historic levels.Fall Chinook
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 incubation period (approx. November-March).Chum
Maintain favorable water flow and temperature throughout mainstem migration period (~ December-April).Coho
Maintain favorable water flow and temperature throughout mainstem migration period (approx. August-November).Fall Chinook
Maintain favorable water flow and temperature throughout mainstem migration period (approx. March-May).Spring Chinook
Maintain favorable water flow and temperature throughout migration period (October- November).Chum
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 spawning period (approx. November to December).Fall Chinook
Maintain favorable water flow and temperature throughout mainstem spawning period (approx. November).Chum
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 0.10 to 0.18 and average 0.14. Mortality estimates at population recovery goals range from 0.10 to 0.18 and average 0.10.Coho
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 steelhead.Coho
Net productivity increments: 30-1000% to reach high viability for chum.Chum
Productivity: >1 recruit per spawnerChum
Productivity: >1 recruit per spawnerFall Chinook
Protect and enhance existing foraging habitat to insure no further net degradation.Columbia Whitetailed Deer
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.Coho
Protect existing rearing habitat to ensure no further net degradation.Chum
Protect existing rearing habitat to ensure no further net degradation.Fall Chinook
Protect existing rearing habitat to ensure no further net degradation.Spring Chinook
Protect existing spawning habitat to ensure no further net degradation.Chum
Protect existing spawning habitat to ensure no further net degradation.Fall 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.Spring 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 stocksCoho
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
Reduce contaminant exposure of emigrating juveniles.Coho
Reduce contaminant exposure of emigrating juveniles.Chum
Reduce contaminant exposure of emigrating juveniles.Fall Chinook
Reduce contaminant exposure of emigrating juveniles.Spring Chinook
Reduce contaminant exposure.Bald Eagle
Reduce predation mortality on emigrating juveniles.Chum
Reduce predation mortality on emigrating juveniles.Coho
Reduce predation mortality on emigrating juveniles.Fall Chinook
Reduce predation mortality on emigrating juveniles.Spring Chinook
Reduce predation mortality on fawnsColumbia Whitetailed Deer
Reduce predation mortality on migrating adults.Chum
Reduce predation mortality on migrating adults.Coho
Reduce predation mortality on migrating adults.Fall Chinook
Reduce predation mortality on migrating adults.Spring Chinook
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.Coho
Restore connectivity between river and floodplain, as well as in-river habitats.Spring Chinook
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 thefloodplain; as well as inriver habitats.Fall Chinook
Restore habitat diversity and geomorphology of tidally influenced reaches in the WOTs subbareaChum
Tenasillahe Island: ~150Columbia Whitetailed Deer

Goals and strategies under development

Limiting factors & actions

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Click to display the 52 occurrences of impairments by limiting factor affecting multiple species and 7 recommended actions. Click bars for more detail.

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