Food obtained from Laminaria saccharine is known as kombu. Paeophyta (Brown algae). Although the use of algae is very old and is mentioned in the Chinese poetic literature about 600 B.C. Characteristics. Algae are used as a food. Though there have some negative importance also we shall discuss the positive importance of algae first. stramenopila. ambeoid, heterotrophic organisms with thread-like psuedopod. Algae may also be a valuable food source in the future. cellular extensions used for feeding and locomotion (movement) The photosynthesis done by algae is very important to the biosphere because it reduces amount of carbon dioxide and increases the amount of oxygen in the atmosphere. example of cerozoa and radioloria. Occurrence. The large brown and red algae are used as organic fertilizers, especially on land close to the sea. Algae play a small but important role in the direct economy of many countries. The edible brown algae are also used as fodder. but they are still considered less important economically than fungi and bacteria. 4) Algae used as fertilizer. Algae has provided positive help in tackling these problems. Importance of Algae. Pyrrophyta (Fire algae). Xanthophyte (yellow-green algae). Positive economic importance of algae. They are used as food, and as fertilizers. These algae keep the water habitable for fish by absorbing the carbon dioxide from it and enriching water with oxygen through photosynthetic activity. Economic Importance. Alginic Acid (Alginate) is a colloidal product used for thickening, suspending, stabilizing, emulsifying, gel-forming, or film-forming, as required. Biotechnological importance of algae: Euglenophyta (euglenoids). The phycologists are continuously working to get hold of their economic importance and have unearthed many beneficial as well as harmful economic aspects of algae. Algae: Occurrence, types, classification, economic importance Topics covered: Introduction to algae. Blue green algae (BGA) or cyanobacteria were excluded and placed in kingdom Monera as they possess prokaryotic cellular organization and functions. As a Human Food. Algae farms provide numerous advantages because algae can be used for various purposes, from producing biofuels and animals feed, to chemicals, cosmetic products and dietary supplements. Economic importance of Ulva Source of oxygen and initial food producers. Classifications. Brown algae (Phaeophyta) includes Kelps (Macrocystis, Laminaria) and Ascophyllum, Fucus, and Sargassum. Algae are also used as the main ingredients in some local dishes in China and Japan. cerozoa and radiolorians are composed of. Introduction to algae. The reserved food material of green algae is starch; mannitol and laminarin is present in brown algae; red algae have Floridian and starch as stored food. Most of the European countries such as Ireland, Scotland, France, Germany, Norway, and Sweden considered algae an important source of nourishment. Chrysophyta (Golden brown algae). Because of their unique features, algae are of immense importance to human beings and nature alike. Economic Importance of Algae in Food A. forominiferans. Economic importance. Chlorophyta (Green algae). Therefore, the algae an important form of food for fishes. Food ♦A number of brown algae are used as food in some countries, e.g., Laminaria, Macrocystis, Sargassum, Alaria, Durvillea, Pelvettia, etc. Microscopic algae are the source of much of Earth's oxygen. 1. Find out more about the economic benefits of algae farms. economic importance of brown algae. Some of the Economic Importance of Algae is – Algae are also very Linnaeus in 1753 was first to introduced the term algae (Latin- seaweeds) meaning, the Hepaticeae. what supergroup does brown algae belong to. 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