an introduction to the elkhorn slough sea otter...
TRANSCRIPT
![Page 1: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/1.jpg)
An Introduction to the
Elkhorn Slough
Sea Otter Project
Sarah Espinosa
UCSC Graduate Student
Elkhorn Slough Symposium
January 24, 2017
Tim Tinker, Kerstin Wasson
Michelle Staedler, Jess Fujii, Teri Nicholson, Joe Tomoleoni, Ron Eby and Robert Scoles
![Page 2: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/2.jpg)
Thanks!
ESNERR
Ron Eby, Robert Scoles, Dave Feliz, Kerstin Wasson
Monterey Bay Aquarium
Michelle Staedler, Jess Fujii, Teri Nicholson and all of the interns and volunteers!
USGS/UCSC
Joe Tomoleoni, Gena Bentall, Sophia Lyon, Tim Tinker, UCSC Tinker-Estes Lab
![Page 3: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/3.jpg)
• Habitat Use (Tim Tinker)
• Population status (Michelle Staedler)
• Contaminate analysis (Chayo Fuentes)
• Ecosystem effects (Brent Hughes)
Purpose
Introduction Methods Preliminary Results Summary
![Page 4: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/4.jpg)
Introduction Methods Preliminary Results Summary
Female and Pup Survival
![Page 5: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/5.jpg)
Introduction Methods Preliminary Results: Surveys Summary
Elkhorn Slough Sea Otter Population
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20
40
60
80
100
120
1984 1989 1994 1999 2004 2009 2014
Nu
mb
er C
ou
nte
d
Population Trends, Elkhorn Slough
Independents
Pups
Start of Project
![Page 6: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/6.jpg)
Introduction Methods Preliminary Results: Surveys Summary
Elkhorn Slough AbundanceAverages: 99 Individuals, 7 large pups and 5 small pups = 111 total
![Page 7: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/7.jpg)
Introduction Methods Preliminary Results: Surveys Summary
Pup Abundance
![Page 8: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/8.jpg)
Introduction Methods Preliminary Results: Surveys Summary
Year 1: Density Distributions
![Page 9: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/9.jpg)
Introduction Methods Preliminary Results: Surveys Summary
Year 2: Density Distributions
![Page 10: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/10.jpg)
Introduction Methods Preliminary Results: Surveys Summary
Year 3: Density Distributions
![Page 11: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/11.jpg)
Sea Otter Number3-146
3-1833-4343-5203-5686-486386
Introduction Methods Preliminary Results: Re-sights Summary
Male Re-sights
![Page 12: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/12.jpg)
Female Re-sights
Introduction Methods Preliminary Results: Re-sights Summary
![Page 13: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/13.jpg)
0
0.1
0.2
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0.4
0.5
0.6
0.7
0.8
0.9
Clam Crab Mussel Worms
Pro
po
rtio
n o
f D
iet
Macoma Clam
Littleneck Clam
Softshell Clam
Razor Clam
Jackknife Clam
Rough Piddock
Gaper Clam
Washington Clam
Dungeness Crab
Green Crab
Kelp Crab
Rock Crab
Cancer Crab
Shore Crab
California Mussel
Mussel
Fatinnkeeper Worm
Crabs (50% ID to species)
Mussels (80% ID to species)
Worms (90% ID to species)
Clams (60% ID to species)Diet Composition
Introduction Methods Preliminary Results Summary
![Page 14: An Introduction to the Elkhorn Slough Sea Otter Projectlibrary.elkhornslough.org/research/symposium/14_Espinosa_Otter.pdfSea Otter Number 3-146 3-183 3-434 3-520 3-568 6-486 386 Introduction](https://reader033.vdocument.in/reader033/viewer/2022051604/5ffa6dd50450ed16b55516e1/html5/thumbnails/14.jpg)
Introduction Methods Preliminary Results Summary
Elkhorn Slough Abundance
Averages: 99 Individuals, 7 large pups and 5 small = 111 total