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