NCERT Solutions for Class 9 Science Chapter 15
Important NCERT Questions
Improvements in Food Resources
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Exercises Questions
Page No-215
Questions No-9
How do you differentiate between capture fishing, mariculture and aquaculture?
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Capture fishing: It is the method of obtaining fishes from natural resources.
Mariculture: It is the culture of marine fishes for commercial use.
Aquaculture: It involves the production of aquatic animals that are of high economic value such as prawns, lobsters, fishes, crabs, etc.
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Capture fishing: It is the fishing in which fishes are captured from natural resources like pond, sea water and estuaries.
Mariculture: It is the culture of fish in marine water. Varieties like prawns, oysters, bhetki and mullets are cultured for fishing.
Aquaculture: It is done both in fresh water and in marine water.
Capture fishing, mariculture, and aquaculture are distinct methods of obtaining fish, each with its unique characteristics. Capture fishing refers to the traditional practice of catching fish from their natural habitats, such as oceans, rivers, lakes, or ponds, using various techniques like trawling, seining, or angling. It involves harvesting fish directly from the wild, and the success of capture fishing depends on factors like seasonal variations, weather conditions, and the availability of fish stocks in natural water bodies.
Mariculture, on the other hand, involves the cultivation of marine organisms in controlled environments, such as offshore cages or coastal areas. It is a form of aquaculture specifically focused on marine species like fish, shellfish, and seaweeds. Mariculture allows for the controlled breeding and rearing of marine species, providing a more sustainable alternative to wild capture fishing. It often involves the use of specialized facilities and technologies to mimic natural conditions and optimize the growth and health of marine organisms.
Aquaculture, as a broader term, encompasses both mariculture and the cultivation of freshwater species. It involves the controlled cultivation of aquatic organisms, including fish, shellfish, and plants, in artificial environments like ponds, tanks, or land-based systems. Aquaculture can be practiced in both freshwater and marine settings and is essential for meeting the increasing global demand for seafood while reducing pressure on wild fish stocks. In summary, while capture fishing involves harvesting fish directly from natural habitats, mariculture and aquaculture focus on the controlled cultivation of marine and freshwater species, respectively.
Capture Fishing:
– Traditional method of catching fish from natural habitats like oceans, rivers, lakes, or ponds.
– Involves various techniques such as trawling, seining, or angling.
– Harvests fish directly from the wild, success depends on seasonal variations and fish stock availability.
Mariculture:
– Cultivation of marine organisms in controlled environments like offshore cages or coastal areas.
– Focuses on marine species like fish, shellfish, and seaweeds.
– Allows controlled breeding and rearing, offering a sustainable alternative to wild capture fishing.
– Utilizes specialized facilities and technologies to optimize growth and mimic natural conditions.
Aquaculture:
– Broad term encompassing mariculture and freshwater species cultivation.
– Involves controlled cultivation of aquatic organisms in ponds, tanks, or land-based systems.
– Includes fish, shellfish, and plant cultivation.
– Practices in both freshwater and marine settings to meet global seafood demand sustainably.
In summary, capture fishing retrieves fish from natural habitats, while mariculture focuses on controlled cultivation of marine organisms, and aquaculture covers both marine and freshwater species cultivation in artificial environments, offering sustainable seafood production alternatives.