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Giant kelp is common along the coast of the northeastern Pacific Ocean, from Baja California north to southeast Alaska, and is also found in the southern oceans near South America, South Africa, Australia, and New Zealand. Individual algae may grow to more than 45 metres (150 feet) long at a rate of as much as 60 cm (2 ft) per day.
Kelp forests are underwater areas with a high density of kelp, which covers a large part of the world's coastlines. Smaller areas of anchored kelp are called kelp beds . They are recognized as one of the most productive and dynamic ecosystems on Earth.
Giant kelp, Macrocystis pyrifera, the largest seaweed. Found in the Pacific coast of North America and South America. Kombu, Saccharina japonica (formerly Laminaria japonica) and others, several edible species of kelp found in Japan. Species of Laminaria in the British Isles; Laminaria digitata (Hudson) J.V. Lamouroux (Oarweed; Tangle)
Giant kelp marine forests are diverse, complex and highly productive components and foundation species of cold-water rocky marine coastlines around the world. Giant kelp marine forests in Australia are typically found in temperate south eastern waters on rocky reefs where conditions are cool and reasonably nutrient rich. [4]
Also known as kelp 8–30 m under water and cultivated for food. Macrocystis: Brown: Giant kelp forming floating canopies. Monostroma: Green: Porphyra: Red: Intertidal zones in temperate climate and cultivated for food. Sargassum: Brown: Pelagic especially in the Sargasso Sea.
Kelps can range in size from the 60-centimeter-tall (2 ft) sea palm Postelsia to the giant kelp Macrocystis pyrifera, which grows to over 50 m (150 ft) long [8] [9] and is the largest of all the algae.
It usually stays near kelp forests, drop-offs, or rocky bottoms and sand or mudflats. [8] Juvenile giant sea bass can be found at depths around 69 feet (21 m), with adults of the species found at depths below 66 feet (20 m). [9] Juveniles of the species are brightly colored in red or orange, however they become gray or brown as they mature. [10]
Aquaculture of giant kelp, Macrocystis pyrifera, is the cultivation of kelp for uses such as food, dietary supplements or potash. [ 1 ] [ 2 ] Giant kelp contains iodine , potassium , other minerals vitamins and carbohydrates .