1. Marine Biology May 10, 2006 Kelp Forests

3. Phylum Chlorophyta: green algae  Chlorphylls are the main photopigments

4. Phylum Rhodophyta: red algae   Contain phycobilins: accessory photopigments capable of absorbing blue and green light

5. Phylum Phaeophyta: brown algae   Contain fucoxanthins, accessory photopigments capable of absorbing blue and green light

6. Parts of the kelp thallus  Holdfast  Stipe  Pneumatocyst  Blade

7. Life cycle of Macrocystis pyrifera (giant kelp)

8. Kelp distribution: West coast of North America

9. Pelagophycus: huge blades!

10. And a personal favorite…  Postelsia palmiformes

11. Kelp distribution: worldwide

12. Requirements of kelp  Cold water (<62ºC)  Nutrient-rich  Light  Rocky substrate

13. Upwelling: N. hemisphere

14. Upwelling: S. Hemisphere

15. Invertebrates Photo: Kerry Werry

16. Giant kelpfish; kelp bass; kelp rockfish Photo: Monterey Bay Aquarium Photo: Luke Miller

17. Marine Mammals Photo: NOAA

18.  Orcas,  Sea otters  Sea urchins  Kelp