What is economic importance of algae Class 11?
What is economic importance of algae Class 11?
Algae have diverse economic uses. They perform half of the total carbon dioxide-fixation on earth by photosynthesis, acting as the primary producers in aquatic habitats. (a) Food source: Many species of marine algae such as Porphyra, Sargassum, and Laminaria are edible. Chlorella and Spirulinaare rich in proteins.
What is the economic importance of blue green algae?
Blue green algae (BGA) possess immense morphological and metabolic diversity and can be used in economic development and environment management like wastewater treatment, land reclamation, production of fine chemicals, atmospheric fixation of nitrogen, production of methane fuel, conversion of solar energy, therapeutic …
What are the economic importance of algae and gymnosperms?
Hint: Algae and gymnosperms are used for several commercial purposes. Both of these are used as a food source. In addition, algae are used as an emulsifier in several products and other things whereas gymnosperms are used as a primary source of wood for construction purposes and other activities.
What is importance of algae?
Algae are the most important photosynthesizing organisms on Earth. They capture more of the sun’s energy and produce more oxygen than all plants combined. They form the foundation of most aquatic food webs, which support an abundance of animals.
What are the three importance of algae?
Algae are economically important in a variety of ways. The natural substance can be used as a food source, a fodder, in fish farming, and as a fertilizer. It also plays a key role in alkaline reclaiming, can be used as a soil binding agent, and is used in a variety of commercial products.
What are the four uses of algae?
These are our top 10 surprising uses of algae.
- #1: Algae Is Efficient to Create BioFuel.
- #2: Algae Can Use Land That Would Otherwise Go to Waste.
- #4: Algae Can Function As An Energy Source.
- #5: Algae Can Be Used To Create Vegetable Oil.
- #6: Algae is a Great Human Food Supplement.
- #7: Using Algae as Fertilizer.
What are the two economic importance of algae?
What is the importance of blue-green algae?
Blue-green algae, or cyanobacteria (Fig. 13.17), occur commonly in all natural waters, where they play an important role in the natural cycling of nutrients in the environment and the food chain.
What is the importance of algae in points?
It helps in maintaining the health of the marine ecosystem because algae are naturally absorbent of carbon dioxide and also provide oxygen to the water. 4. Fertilizer: Algae are rich in minerals and vitamins. So they also used as liquid fertilizer which helps in the repairing level of nitrogen present in the soil.
What do you mean by economic importance of algae?
What are the disadvantages of algae?
List of Disadvantages of Algae Biofuel
- Algae has the same concerns of monoculture that the agriculture industry experiences.
- Algae growth may create quality variations during the refinement process.
- Algae biofuel doesn’t always meet its energy efficiency targets.
- Algae growth creates regional sustainability problems.
What are the five uses of algae?
What is the economic importance of algae in fish farming?
Why is algae so important to the environment?
The use of algae to aid in the healthy formation of soil is important in the protection against natural processes such as erosion. Algae is used as a key ingredient in various food products. The substance can either be used as an additive or can act as a thickener in many types of food products.
How is red algae used in the food industry?
Brown algae, in particular, is used in order to stabilize, thicken, and emulsify numerous food products, while red algae is used in the preparation of various semi-solid products as wide-ranging as medicines, cosmetics, and in the production of a wide array of foods.
Which is the most important alga in the world?
Algal extracts are commonly used in preparing foods and other products, and the direct consumption of algae has existed for centuries in the diets of East Asian and Pacific Island societies. The red alga nori, or laver (Porphyra), is the most important commercial food alga.
Why are Coralline algae important to the reef?
Coralline Algae are integral to the health of natural reef ecosystems and provide many of the same benefits within your reef aquarium! They are an indicator of a healthy environment as, like stony Corals, they take time to develop and mature. Ample calcium, magnesium, carbonate, and trace elements ensure the health of both organisms.
What are some of the economic uses of algae?
The economic importance of algae is very diverse. Some of the algae are used as food and fodder, in agriculture, industry, medicine, purification of water, aviation and as a source of petroleum and natural gas. A brief account of the uses of algae is given below: (a) Algae Used as Food:
Why are macroalgae important to the coral reef?
An overabundance of macroalgae can also impede coral recruitment and reduce overall coral survival. Macroalgae have important ecological and economic roles on coral reefs. They are primary producers that form the basis of many marine food chains and provide habitat and refuge for a range of organisms.
Why are coral reefs important to the economy?
Corals of the remote geological past formed reef structures that were highly favourable sites for the accumulation of petroleum deposits. Thus, coral reefs are of much importance to oil industry. Large quantities of corals are shipped every year for the curio trade.