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Kelp


Californian kelp forest

Kelp are large brown algae (seaweeds) of the order Laminariales[?]. There are about 30 different genera. Kelp grows in underwater forests (kelp forests) in clear, shallow, oceans, requiring nutrient rich water below about 20°C. It is known for its high growth rate - the genus Macrocystis[?] grows up to 30 cm per day, to a total length of up to 60 metres.

Table of contents

Morphology

Kelp grows in the form of long stalks, with leaflike blades at regular intervals. Each blade is supported by a float. For more on its morphology, see seaweeds.

Prominent species

  • bull-head kelp[?] (Nereocystis Luetkeana), a northwestern American. Used by coastal Native Americans to create fishing net.
  • giant kelp[?] (great kelp) (Macrocystis pyrifera or Fucus giganteus), the largest seaweed. Found in the Pacific coast of North America.

Values

Kelp ash is calcined and rich in iodine and alkali. In great amount, kelp ash can be used in soap and glass production. Alginate[?], a kelp-derived carbohydrate, is used to thicken products like ice cream, jelly, and toothpaste, as well as in manufactured goods.

Interactions

Some animals are named after the kelp, because of its terriroty includes where the kelps or, or they use kelp as food.

  • kelp crab[?] (Pugettia producta), the Pacific coast of North America.
  • kelpfish[?] (blenny) (e.g., Heterosticbus rostratus, genus Gibbonsia), the Pacific coast of North America.
  • Kelp Goose[?] (kelp hen) (Ocydromus fuscus), New Zealander
  • kelp pigeon (sheathbill) (Chionis sp), Antarctic


See also Kelp Records[?], KeLP Programming System[?]



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