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