2. Reed Elsevier’s Earthwatch Volunteer Expedition October 2008 Dr. Daniela Maldini and her field assistants, teams and affiliates have been studying the Monterey CA bottlenose dolphin and sea otter population for more than 10 years. You might want to know …

3. Bottlenose Dolphin Distribution Slide and comments courtesy of “California Coastal Bottlenose Dolphins, Sentinels of the Coastline” by Mark Cotter, Treasurer Okeanis.org © Okeanis.org headquarters Monterey, CA

4. Range Expansion Before 1982 1982 - 2006? Historical range limited to the SCB; Historical range limited to the SCB; Skull >100 yrs. found in SF; Skull >100 yrs. found in SF; Point Conception Point Conception 1982-83 ENSO event; 1982-83 ENSO event; First sightings in MB (Wells et al.); First sightings in MB (Wells et al.); Current study started in 1989; Current study started in 1989;Questions: How many animals in population? How many animals in population? How many animals moved? How many animals moved? Is move permanent? If yes… Is move permanent? If yes… What is movement frequency N-S What is movement frequency N-S How far north did they go? How far north did they go? Does ENSO affect movements? Does ENSO affect movements? Slide and comments courtesy of “California Coastal Bottlenose Dolphins, Sentinels of the Coastline” by Mark Cotter, Treasurer Okeanis.org ©

5. Surveys7:00 am – Leave just before sunrise Boat-based Weather check and take what you need for the day Linear Sight Surveys 15 minutes survey recordings (“sitings” and stats) Surf Zone 5 minute dolphin encounter recordings Weather Conditions 3:00 pm head in, hose down, stow away, record stats, prep for next day, go home tired and sated Repeat daily until critical mass of data is recorded for analysis A Day in the Life … Pictures courtesy of “California Coastal Bottlenose Dolphins, Sentinels of the Coastline” by Mark Cotter, Treasurer Okeanis.org ©

6. Photo-Identification SawBirthmark Wild Woman Taba Ich Aav Noh Mich KahunaEcho Female Male NumberTwentyOne Ake’akamai Slide and comments courtesy of “California Coastal Bottlenose Dolphins, Sentinels of the Coastline” by Mark Cotter, Treasurer Okeanis.org ©

7. DOLPHIN PROJECT OBJECTIVES 1.Population size  Trends over time  Age structure 2.Range, frequency and social significance of movements 3. Social structure  Affiliation patterns and social structure  Gender of known individuals 4. Habitat use and Foraging patterns 5. Threats  Contaminants  Diseases  Coastal pollution  Human/wildlife conflicts Project Objectives Courtesy of “California Coastal Bottlenose Dolphins, Sentinels of the Coastline” by Mark Cotter, Treasurer Okeanis.org ©