merilevät
Merilevät, or seaweeds, are several species of marine macroalgae that inhabit coastal waters around the world. They are photosynthetic, multicellular organisms and are traditionally grouped into three main divisions: brown (Phaeophyceae), red (Rhodophyta), and green (Chlorophyta) algae.
Most merilevät attach to rocky substrates by a holdfast and rely on sunlight and tidal exposure. They
Ecologically, merilevät provide habitat and food for many marine organisms, contribute to coastal protection by dampening
Humans use merilevät for food and industry. Edible species such as nori (Porphyra/Pyropia), kombu or kelp (Laminaria/Saccharina),
Harvesting and farming occur through wild collection and mariculture. Seaweed farming typically uses longlines or ropes