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Little White Salmon Subbasin Dashboard

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Objectives

Objectives (from 2004 subbasin plan and data)
>1 young per occupied nestBald Eagle
1,200 natural adults (entire Upper Gorge population, primarily the Wind River)Fall Chinook
900 natural adults (entire Upper Gorge population) Chum
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 medium viability (currently very low). Chum
Achieve net productivity increase of 10%Fall Chinook
Achieve net productivity increase of 960%Chum
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
Decrease disturbance to western pond turtles.Western Pond Turtle
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
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
Eliminate or mitigate artificial access barriers for migrating adultsFall Chinook
Eliminate predation from non-native species.Western Pond Turtle
Evaluate/improve survival of upriver juvenile fall chinook emigrating via barge or dam passage.Fall Chinook
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 quality and quantity of habitat for band-tailed pigeons.Band-tailed Pigeon
Increase quality and quantity of habitat for western pond turtles.Western Pond Turtle
Increase quality of Larch Mountain salamander habitat.Larch Mountain Salamander
Increase quality of pileated woodpecker habitat.Pileated Woodpecker
Increase quality of western gray squirrel habitat.Western Gray Squirrel
Increase quantity of habitat for Larch Mountain salamander.Larch Mountain Salamander
Increase quantity of habitat for pileated woodpecker.Pileated Woodpecker
Increase quantity of habitat for western gray squirrel.Western Gray Squirrel
Increase riparian habitat which will provide quality and quantity habitat for yellow warblers.Yellow Warbler
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
Leave all Oak and Oak snags.Western Gray Squirrel
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 (approx. August-November).Fall 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 disease (protozoan Trichomoniasis) transmission from urban feeders.Band-tailed Pigeon
Minimize flood mortality effects.Columbia Whitetailed Deer
Minimize human use of known Larch Mountain salamander habitat.Larch Mountain Salamander
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 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: 30-1000% to reach high viability for chum.Chum
Productivity: >1 recruit per spawnerChum
Productivity: >1 recruit per spawnerFall Chinook
Protect all stands of Oregon White Oak.Western Gray Squirrel
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.Chum
Protect existing rearing habitat to ensure no further net degradation.Fall 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 stocksFall Chinook
Reduce contaminant exposure of emigrating juveniles.Chum
Reduce contaminant exposure of emigrating juveniles.Fall Chinook
Reduce contaminant exposure.Bald Eagle
Reduce mortality of food base (insects) needed by yellow warblers, from chemical applications.Yellow Warbler
Reduce mortality of food-producing shrubs and trees needed by band-tailed pigeons, from chemical applications.Band-tailed Pigeon
Reduce predation mortality on emigrating juveniles.Chum
Reduce predation mortality on emigrating juveniles.Fall Chinook
Reduce predation mortality on fawnsColumbia Whitetailed Deer
Reduce predation mortality on migrating adults.Chum
Reduce predation mortality on migrating adults.Fall Chinook
Reduce pressure to western gray squirrels from California ground squirrels and eastern gray squirrels.Western Gray Squirrel
Reduce threats from physical hazards and persecutionBald Eagle
Reintroduce deer to suitable habitat.Columbia Whitetailed Deer
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
Restore western pond turtle population numbers to historical levels.Western Pond Turtle
Retain decadent and other important wildlife trees.Western Gray Squirrel
Tenasillahe Island: ~150Columbia Whitetailed Deer

Goals and strategies under development

Limiting factors & actions

Chart.

Click to display the 12 occurrences of impairments by limiting factor affecting multiple species and 10 recommended actions. Click bars for more detail.

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