Bathymetric & Bird Surveys Ponds 9 & 10, Wash Ponds, and Napa Plant Site
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U.S. Department of the Interior U.S. Geological Survey Bathymetric & Bird Surveys Ponds 9 & 10, Wash Ponds, and Napa Plant Site U.S. Geological Survey
description
Bathymetric & Bird Surveys Ponds 9 & 10, Wash Ponds, and Napa Plant Site. U.S. Geological Survey. Acknowledgements. USGS Western Ecological Research Center USGS Priority Ecosystem Studies, SF Bay Program - PowerPoint PPT Presentation
Transcript of Bathymetric & Bird Surveys Ponds 9 & 10, Wash Ponds, and Napa Plant Site
U.S. Department of the InteriorU.S. Geological Survey
Bathymetric & Bird Surveys Ponds 9 & 10, Wash Ponds,
and Napa Plant SiteU.S. Geological Survey
Acknowledgements
USGS Western Ecological Research Center
USGS Priority Ecosystem Studies, SF Bay Program
California Department of Fish and Game – Karen Taylor, Tom Huffman, Mike Sipes, Larry Wyckoff, Stacy Martinelli
Wildlife Conservation Board - Bonnie Turner, Tony Chappelle
Ducks Unlimited – Renee Spenst, Steve Carroll, Austin Payne, Russell Lowgren, Fritz Reid, Ron Galindo
State Coastal Conservancy – Amy Hutzel, Nadine Hitchcock, Betsy Wilson
SF Bay Joint Venture - Beth Huning, Christina Sloop
GAIA Consulting, Inc. - Susanne von Rosenberg
Cargil Salt - Butch Paredes
Bathy / Bird Field Support - Joel Shinn, Tanya Graham, Erin Flynn, Chris Potter, Laura Hollander, and Jeff Leichty
Bathymetric Survey Overview
Goal: Collect baseline elevation data for Napa Plant Site, Wash ponds, & Ponds 9&10
With future surveys we can document geomorphological changes that have occurred since restoration of tidal flow
Bathymetry Survey Methods
Pelican Case with Navisound
RTK Antenna
Console withlaptop & RTK
Transducer
Bathymetry Survey Methods 100m transects
Ponds 9 & 10 Wash Ponds
Bathymetry Survey Methods 200m transects
Ponds 9 & 10 ~ Current Elevation Mean elevation:
0.71 ± 0.40m (mean ± SE)
Elevation Range: - 1.86 to 1.55m
Wash Ponds ~ Current Elevation Mean elevation:
1.06 ± 0.26m
Elevation Range: -0.46 to 1.66m
NPS ~ Current Elevation Mean elevation:
0.84 ± 0.31m
Elevation Range: -2.56 to 1.65m
Low Tide Bird Surveys
Low Tide Bird Surveys – Small Shorebirds
Pond 910 Breach CRYST breachsu
mmer 20
08
fall 2
008
winter
2009
sprin
g 200
9
summer
2009
fall 2
009
winter
2010
sprin
g 201
0
summer
2010
fall 2
010
0
500
1000
1500
2000
2500
CRYST Avg.WASH Avg.910 Avg.
WASH Breach
summer
2008
fall 2
008
winter
2009
sprin
g 200
9
summer
2009
fall 2
009
winter
2010
sprin
g 201
0
summer
2010
fall 2
010
0
50
100
150
200
250
CRYST Avg.WASH Avg.910 Avg.
Low Tide Bird Surveys – Medium Shorebirds
Pond 910 Breach CRYST breachWASH Breach
summer
2008
fall 2
008
winter
2009
sprin
g 200
9
summer
2009
fall 2
009
winter
2010
sprin
g 201
0
summer
2010
fall 2
010
0
100
200
300
400
500
600
CRYST Avg.WASH Avg.910 Avg.
Low Tide Bird Surveys – Ducks
Pond 910 BreachCRYST breachWASH Breach
summer
2008
fall 2
008
winter
2009
sprin
g 200
9
summer
2009
fall 2
009
winter
2010
sprin
g 201
0
summer
2010
fall 2
010
0
200
400
600
800
1000
1200
1400
1600
CRYST Avg.WASH Avg.910 Avg.
Dabbling Ducks Diving Ducks
CRYST breachPond 910 Breach
WASH Breach
Low Tide - Crystallizers
Low Tide – WASH ponds
summer
2004
winter
2005
summer
2005
winter
2006
summer
2006
winter
2007
summer
2007
winter
2008
summer
2008
winter
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summer
2009
winter
2010
summer
2010
02000400060008000
1000012000140001600018000
CRYST Avg.WASH Avg.910 Avg.
High Tide Bird Surveys – Shorebirds
Small Shorebirds
summer
2004
winter
2005
summer
2005
winter
2006
summer
2006
winter
2007
summer
2007
winter
2008
summer
2008
winter
2009
summer
2009
winter
2010
summer
2010
050
100150200250300350400450500
CRYST Avg.WASH Avg.910 Avg.
Medium Shorebirds
summer
2004
sprin
g 200
5
winter
2006
fall 2
006
summer
2007
sprin
g 200
8
winter
2009
fall 2
009
summer
2010
0
100
200
300
400
500
600
700
CRYS Avg.WASH Avg.910 Avg.
High Tide Bird Surveys – Ducks
Diving DucksDabbling Ducks
summer
2004
winter
2005
summer
2005
winter
2006
summer
2006
winter
2007
summer
2007
winter
2008
summer
2008
winter
2009
summer
2009
winter
2010
summer
2010
0
50
100
150
200
250
CRYS Avg.WASH Avg.910 Avg.
Questions?
