An Introduction to the Elkhorn Slough Sea Otter...
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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
Transcript of An Introduction to the Elkhorn Slough Sea Otter...
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
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
• Habitat Use (Tim Tinker)
• Population status (Michelle Staedler)
• Contaminate analysis (Chayo Fuentes)
• Ecosystem effects (Brent Hughes)
Purpose
Introduction Methods Preliminary Results Summary
Introduction Methods Preliminary Results Summary
Female and Pup Survival
Introduction Methods Preliminary Results: Surveys Summary
Elkhorn Slough Sea Otter Population
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Population Trends, Elkhorn Slough
Independents
Pups
Start of Project
Introduction Methods Preliminary Results: Surveys Summary
Elkhorn Slough AbundanceAverages: 99 Individuals, 7 large pups and 5 small pups = 111 total
Introduction Methods Preliminary Results: Surveys Summary
Pup Abundance
Introduction Methods Preliminary Results: Surveys Summary
Year 1: Density Distributions
Introduction Methods Preliminary Results: Surveys Summary
Year 2: Density Distributions
Introduction Methods Preliminary Results: Surveys Summary
Year 3: Density Distributions
Sea Otter Number3-146
3-1833-4343-5203-5686-486386
Introduction Methods Preliminary Results: Re-sights Summary
Male Re-sights
Female Re-sights
Introduction Methods Preliminary Results: Re-sights Summary
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Clam Crab Mussel Worms
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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
Introduction Methods Preliminary Results Summary
Elkhorn Slough Abundance
Averages: 99 Individuals, 7 large pups and 5 small = 111 total
