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