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The Seashore

Dulse (Palmaria palmata)

Dulse (Palmaria palmata)

The dark red frond grows to 30 cm long. It is broad and flat with no stipe. There are branches along its length. Dulse often grows attached to the kelp which helps it reach the light. They have accessory pigments contained in cell organelles called phycobilisomes. These pigments absorb light and pass the energy via a chain reaction to the chlorophyll for photosynthesis. The red algae are very shade tolerant, living under the kelp, and require a fraction of the light used by land plants.

The Dulse is a red alga of the lower seashore. It may be attached directly to the rocks or along the stipe of Laminarians, particularly the rough L. hyperborea. Common on rocky seashores around the Atlantic , North Sea and English Channel


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