CONTENTS 



Page 



Collection of zooplankton samples 112 



Areas sampled 112 



Sampling in the field 118 



Treatment of samples 121 



Composition of the zooplankton 122 



Zooplankton as food 124 



Abundance of the zooplankton 125 



Effects of the Equatorial Current system 131 



Variation in zooplankton abundance 132 



Effect of time of sampling 133 



Variations between cruises, latitudes, and longitudes 135 



Correlations with environmental factors 137 



Comparison with zooplankton abundance of other regions 138 



Productivity 141 



Summary and conclusions 142 



Literature cited. 142 



