TABLES 



Number Page 



1 Factors influencing kelp forest algal populations 7 



2 Light levels for compensation and saturation of growth in various 

 stages of Macrocystis 13 



3 Known nutrient requirements for Macrocystis pyrifera 15 



4 Kelp forest biomass 36 



5 Macrocystis net primary productivity 38 



6 Common invertebrate grazers 62 



7 Concentration and biomass of two sea urchin species across a 

 grazing band 64 



8 Common invertebrate predators found in Macrocystis forests. ... 66 



9 Subhabitat and feeding categories of common kelp forest fishes. . 71 



10 Birds of kelp forests 77 



11 Outline of a factorial laboratory experiment 97 



12 Abalone, lobster, and sea urchin landings in California 112 



xn 



