Ecological Studies on Selected Marine Intertidal Communities of Monterey Bay, California

Introduction ---------------------------------------------------161 I. Location of Investigated Area_________________________________________164 II. General Environmental Conditions_____________________________________-166 1. Geological Features ___________________________________________166 2. Temperature of the Water__________________-___________________167 3. Salinity -_____________________________________ 168 4. Phosphate and Silicate_________________________________________-168 5. Air Temperature and Rainfall__________________________________168 6. Aeration ____________________________________________________170 7. Light Conditions -1------------------------------------------70 8. Tides -------------------------------------------------------170 III. Apparatus and Methods___-_______________--------------------------172 IV. Some Questions Concerning the Terminology of the Biotic Distribution and Zonation -----------------------------------------------------174 V. Animal Distribution and Zonation_____________________---------------177 1. Supralittoral ------------------------------------------------183 2. Littoral ________________-___________________________________183 3. Seasonal M igrations ------------------------------------------189 V I. Food Relationships ------------------------------------------------192 VII. Systematic List of Species____________________________________________199 Summary --------------------------_-_----------------------------_____201 References ________________________________________________-___________202