Chapter 12 (Continued) 



Habitat Preferences 12-11 



Factors of Abundance 12-12 



Human Impacts 12-12 



Importance to Humanity 12-14 



Management 12-14 



AMERICAN LOBSTER ( Homarus americanus ) 12-14 



Distribution and Abundance 12-14 



Life History 12-15 



Habitat Preferences 12-15 



Factors of Abundance 12-16 



Human Impacts 12-16 



Importance to Humanity 12-17 



Management 12-17 



Rock Crab ( Cancer irroratus ) and JONAH CRAB ( Cancer boreal is) . . 12-18 



Distribution and Abundance 12-18 



Life History 12-19 



Habitat Preferences 12-19 



Factors of Abundance 12-19 



Human Impacts 12-20 



Importance to Humanity 12-20 



Management 12-20 



NORTHERN SHRIMP ( Pandalus borealis ) 12-20 



Distribution and Abundance 12-20 



Life History 12-22 



Habitat Preferences 12-22 



Factors of Abundance 12-22 



Human Impacts 12-23 



Importance to Humanity 12-23 



Management 12-23 



MARINE WORMS 12-24 



Bloodworm ( Glycera dibranchiata ) 12-24 



Distribution and abundance 12-24 



Life history 12-25 



Habitat preferences 12-26 



Factors of abundance 12-26 



Sandworm ( Nereis virens ) 12-26 



Distribution and abundance 12-26 



Life history 12-27 



Habitat preferences 12-27 



Factors of abundance 12-28 



Human Impacts 12-28 



Importance to Humanity 12-28 



Management 12-30 



RED TIDES 12-30 



Life History 12-30 



Factors of Abundance 12-31 



Importance to Humanity 12-31 



Management 12-32 



RESEARCH NEEDS 12-32 



REFERENCES 12-34 



XI 



