National marine sanctuary offices and visitor centers closed to the public; waters remain open

NOAA's national marine sanctuary offices and visitor centers are closed to the public while the waters remain open for responsible use in accordance with CDC guidance and local regulations. More information on the response from NOAA's Office of National Marine Sanctuaries can be found on sanctuaries.noaa.gov/coronavirus/.

Skip to main content
Monterey Bay National Marine Sanctuary National Marine Sanctuaries Home Page National Oceanic and Atmospheric Administration Home Page


Jim Oakden
Moss Landing Marine Laboratories
P.O. Box 450, Moss Landing, CA 95039

 

I. Beach Structure and Formation


II. Overview of Beach Meiofauna and Macrofauna


III. Zonation of Beach Macrofauna

A. Upper zone

1. Environmental influences
2. Dominant Species: Talitrid amphipods, Insects & kin, Oligochaetes

B. Mid zone

1. Environmental influences
2. Dominant Species: Excirolana spp.

C. Swash zone

1. Environmental influences
2. Dominant Species: Sand crab, Archaeomysis, Nephtys

D. Low intertidal zone

1. Environmental influences
2. Dominant Species: Pismo Clam, Spiny Mole Crab, other fauna

E. Transient organisms

1. Environmental influences
2. Dominant Species: Sand dollar, Vellela


IV. Selected Sandy Beach Resources