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