1 / 17

Steve Murray CSU Fullerton

Relationships Between Tidal Height and Species Abundances: Implications for Monitoring Rocky Shores. Steve Murray CSU Fullerton. Urban Influences. Coastal Sea Temperature. Warm Regime. 3. 2. 1. Mean Monthly Anomalies (°C). 0. -1. -2. -3. -4. 1950. 1955. 1960. 1965. 1970. 1975.

yule
Download Presentation

Steve Murray CSU Fullerton

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Relationships Between Tidal Height and Species Abundances: Implications for Monitoring Rocky Shores Steve Murray CSU Fullerton

  2. Urban Influences

  3. Coastal Sea Temperature Warm Regime 3 2 1 Mean Monthly Anomalies (°C) 0 -1 -2 -3 -4 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995

  4. Changes in Intertidal Communities Urban Influences? Fishing Pressures? Changing Sea Temperatures? Changing Sea Level?

  5. Tides: Daily RegimeMixed Semi-diurnal Character

  6. NEAP SPRING NEAP SPRING Tides: Monthly PatternsNeap and Spring Tides

  7. Feet Tide Levels Highest of High Tides = HHHW OR EHWS MTL or MSL (Mean Tide Level or Mean Sea Level Zero Datum = 0.0 ft Lowest of Low Tides = LLLW OR ELWS

  8. Zonation and Critical Tidal Levels (Max Doty) Source: Doty, M. S. 1946. Critical tide factors that are correlated with the vertical distribution of marine algae and other organisms along the Pacific Coast. Ecology 27: 315-328.

  9. Zonation

  10. Quadrat Sampling

  11. Line Point Contact Sampling

  12. Zonation Patterns Quantified Tidal Height Species Source: Littler, M. M. and S. N. Murray. 1975. Impact of sewage on the distribution, abundance, and community structure of rocky intertidal macro-organisms. Mar. Biol. 30: 277-291.

  13. Measuring Tidal Heights of Samples Measuring Rod Laser Target Laser Level

  14. Calibrate Vertical Height on Shore with Tidal Datum

  15. Acknowledgements Field and Lab Assistance: Janine Kido, Teri Denis, Jayson Smith, Everett Yee, Susan Frisch, Sarah Henkel, Erin Cox, Lisa Gilbane, Aimee Bullard, Amanda Gerrard, Julie Bursek, Jill Moeller, Tiffany Luas, Nicolle, Panos, Alison Kendall, Megan Williams, Erin Maloney, Kristen Kusic, Haven Livingston

More Related