along the alo he Nor orthern Ca Calif lifornia Co Coast A - - PowerPoint PPT Presentation

En Entanglement t rates of

• f Zalophus

Ca Cali lifornianus in Two Rookeries alo along the he Nor

• rthern Ca

Calif lifornia Co Coast

A senior thesis by: Christina Langford Advisor: Patrick Robinson, PhD

An Anth thropogenic dis isturbances th threaten mar arine li life

Survey sit ites

Ano Ano Nue uevo Isla sland Mon

• nterey Coa
• ast Gua

uard Pier ier

Average en entanglement rate by y site

Ano Nuevo Island

Percentage Entanglement by Survey

Monterey Coast Guard Pier

Percentage Entanglement by Survey 0.39 0.41 0.34 0.33 0.25 0.22 0.5 0.52 0.5 Average Percentage: 0.344% Average Percentage: 0.348%

P = 0.9711

Ag Age e class dif differences in n en entangl glement rate Type pes s of

• f en

entang ngle lements s by site

p < 0.0001 n = 210, p < 0.0001

Focal Follows

• Sites were found to have the same

entanglement rate: ~0.3%

• Coast Guard Pier is a popular

recreational fishing site

• Aggregated age class entangled

showed a disproportionate affect on subadults

THANK YOU!

• My

y Advi dvisor, Patri trick Robi

• binson
• EEB

EEB De Department

• Cos

Costa Lab ab

• Gilbert

t Tole

• ledo
• Mar

arge Bri Brigadier