Growing those varieties of algae has successfully facilitated fish culture in India. Economic 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. Via photosynthesis they perform half of the total carbon dioxide-fixation on earth, acting as the primary producers in aquatic habitats. Linnaeus in 1753 was first to introduced the term algae (Latin- seaweeds) meaning, the Hepaticeae. Chlorella and spirulina are protein-rich. Introduction to algae. In fact, some people believe that if there were no algae (both one-celled and many-celled ones), there would not be enough food and oxygen for all the animals on the earth. The algae (singular: alga) many of which are are unicellular. Economic Importance of Algae: It can be used to help connect soil. Economic Importance of Algae Economic uses of algae are diverse. Although the use of algae is very old and is mentioned in the Chinese poetic literature about 600 B.C. but they are still considered less important economically than fungi and bacteria. Ecologically, algae are at the base of the food chain. (1) Food source: Most species of marine algae are edible, such as Porphyra, Sargassum and Laminaria. They turn carbon dioxide into biomass and release oxygen. The Economic Significance of Algae. Algae play a small but important role in the direct economy of many countries. 1) Algae as food Actually, algae have been used by humans as food for centuries in different parts of the world, such as Ireland, Scotland, Sweden, Norway, North and South America, France, Germany, Japan, and China. Algae are vital as primary producers being at the start of most of aquatic food chains. The economic activities with considerable economic impacts due to algae blooms includes: Increasing of the water treatment costs: This includes the direct cost of supplements or equipment to tackle an algae Bloom, and also the retribution measures that may apply to an affected population, in case the effects could not be avoided. This is contributed by the algae, the only vegetation in the sea. ... Algae are important to animals for this reason. Because of their unique features, algae are of immense importance to human beings and nature alike. Ecological Importance of Algae Microscopic algae are arguably the source of more than half of the world's oxygen though photosynthesis. Importance of Algae. Algae are ubiquitous, most of algae lives in aquatic environment but many also thrive a terrestrial and a subterranean alga. ... engineering and biological issues which must be resolved for the production of biofuels from microalgae to become an economic reality. Though there have some negative importance also we shall discuss the positive importance of algae first. In protecting against natural processes such as erosion, the use of algae to help in healthy soil formation is important. Algae - Algae - Ecological and commercial importance: Algae form organic food molecules from carbon dioxide and water through the process of photosynthesis, in which they capture energy from sunlight. Economic importance of algae. Algae has provided positive help in tackling these problems. Letâs figure out the economic importance of algae together! Research indicates that algae can by used by the agricultural industry in the production of fertilizers due to the high nutrient content. Apart from playing a vital role in the world's ecology, algae perform an important function in the world's economy. Economic importance of algae. Some of the Economic Importance of Algae is â Fish Culture â Some fishes such as Tilapia mossambica feed on certain types of algae. Positive economic importance of algae. Economic importance. They are used as food, and as fertilizers. Recent estimates show that nearly half the world's productivity that is carbon fixation, comes from the oceans.