Download - An Environmental Overview of the Puget Sound Ecosystem Timothy Quinn WA Dept Fish and Wildlife
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An Environmental Overview of the Puget Sound Ecosystem
Timothy Quinn
WA Dept Fish and Wildlife
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The Puget Sound Ecosystemis part of a larger Salish Sea Ecosystem
The ecosystem has been shaped by glaciation, volcanism, plate tectonics tsunami, major river flooding
Large inputs of fresh water from major river systems (Fraser and Skagit River)
2nd largest estuary in US.
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The ecosystem has complex geomorphology. Two mountain ranges, high ratio of shoreline to open water. Deep fiord like bathymetry.
Wide variety of parent geologies and soil types
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Together with a persistent, moist maritime climate, this complex physiography results in sharp environmental gradients (e.g., moisture, temperature, salinity)
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Fun Facts
• Puget Sound Ecosystem ~ 16,000 mi2
• Surface area of marine waters ~3,200 mi2
• 2354 mi of shoreline
• Deepest place is 930 ft
• Fastest current is 11.5 mph
• Flushing time ~ 5 mo
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Biodiversity in the Puget Sound Ecosystem
Significant biodiversity hotspot (Center for Biological Diversity) and 1 of 200 priority ecoregions for worldwide biodiversity, by virtue of globally outstanding “ecological phenomena” (WWF)
– High species richness and endemism– World’s largest temperate rainforest
lowland forest extremely productive – Salmon diversity
high salmon species richness & large runs sizes– Large estuary with unique assemblage of marine biota
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>250 species of fish
~100 species of seabirds,
shorebirds & waterfowl
7000 species in the PS including
4248 animals
1504 plants
851 fungi
392 algae
26 species of marine mammals
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1792
Captain Vancouver sails into Puget Sound in 1792, (indigenous human population ~ 50,000 representing more than 100 tribes)
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1810-1840
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1810-1840
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1810-1840
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1863
First dikes are constructed in Puget Sound
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1874
Depletion of theOlympia oyster resultedin introducing Pacificoyster.
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1880’s - Forests along Puget
Sound shoreline were nearly gone”
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1891-1893
Railroads are constructed along Puget SoundShorelines and river basins to access timber
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A Frontier Style Governance Model
• Washington becomes a state in 1889
• State constitution reflects and encourages self reliance and entrepreneurship
• Limited state gov and empowered local gov
• 1st legislature allowed the ‘disposal’ of state owned tidal lands – largely to encourage commerce
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A Snap Shot in Time
The current state of the state
The State of the Puget Sound Ecosystem
A Snapshot in 2009
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0
1000000
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3000000
4000000
5000000
6000000
7000000
1860
1890
1920
1930
1953
1963
1973
1990
2000
2010
2020
7.5 million people?
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Human Impacts in thePuget Sound Ecosystem
• 90% of old forests converted• 1/3 marine shoreline are modified• 70% of estuary wetlands converted• Many species (957 or 14%) imperiled• Other indicators of trouble in PS
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Orca listed as endangered November 16, 2005
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'Dead zone‘ in Hood Canal, areas of low oxygen conditions and fish kills
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Contaminated Sediments
~3,000 acres total (concentrated in urban bays)
Main chemicals include
Heavy metals
PAHs
PCBs
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What’s New in the Effort to Restore Puget Sound
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Who has jurisdiction/stake in protecting and restoring the
Puget Sound Ecosystem
2 countries
100 cities
12 counties
12 conservation districts
12 local health authorities
3 regional govern. bodies
22 tribes
14 state agencies (2 extinct)
9 federal agencies
28 port districts
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Puget SoundEcosystem
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Two Newer Ecosystem Based Efforts • Puget Sound Nearshore Ecosystem Restoration Partnership• GI study to assess PS nearshore condition (WDFW and Corp)
Puget Sound Partnership
A community effort of citizens, governments, tribes, scientists and businesses working together to restore and protect Puget Sound.
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Take home messagesHumans have benefitted from
ecosystem services (interest and principle)
Many of the eco-ills are invisible to the public or “accepted tradeoffs”
Authority to affect protection and restoration is diffuse
Smarter shoreline development?