CONTENTS 



Page 



Introduction 1 



Classifications of plankton 1 



Distribution 6 



Reproduction 6 



Swarms and blooms 6 



Survival 7 



Yield 7 



Uses of plankton 8 



Manufacture of basic nutrients 8 



Food for aquatic animals 8 



Food for man 9 



Purification of water supplies 10 



Industrial uses 11 



Aid to science 12 



Luminescence 12 



Harmful effects of plankton 12 



References 12 



111 



