Geography, asked by ssuresh220redipcegrg, 1 year ago

Merit and demerit of commercial fishing. 3marks

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Answered by Anonymous
4
The Fundamental Problem

Fish farming exists to address a fundamental problem: The demand for fish as a food source grows as the human population grows, and the number of fish available in the wild isn't keeping pace. Even in carefully managed wild fisheries, the combination of climate change, pollution and pressure from fishermen can produce unpredictable variations in the supply of fish. In a worst-case scenario, that can cause a fish population to crash, as Atlantic cod did in the 1970s and 1980s. In the long term, expecting conventional fisheries to continue to meet the world's needs with wild fish is as unrealistic as expecting a network of hunters to keep supermarket meat cases filled. Fish farming, or aquaculture as it's formally known, will need to make up the difference.


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Answered by PADMINI
2
COMMERCIAL FISHING :-

Commercial Fishing is the activity of catching fishes for commercial profit. It provides a large quantity of fishes to many countries. It refers to a range of activities using nets, lines and traps to catch marine animals for sale.


MERITS :-

1) Commercial fishing has a tremendous economic impact on the world GDP.

2) Commercial fishing employs more than 200 million people around the world.

3) Commercial fishing feeds the world's hunger. Fishes are rich in proteins, nutrients and other vitamins. Fishes contain omega -3 fatty acids which helps in brain functioning.

4) In commercial fishing, worldwide demand for seafood is extremely high.

5) Commercial fishing is an important economic activity. It provides jobs to many people.


DEMERITS :-

1) The United Nations and some other countries are worried about the decrease in global fish market.

2) The Food and Agriculture Organisation (FAO) estimates that more than 70% of the world's fishes are fully exploited.

3) Many marine animals have become extinct because of this commercial fishing.

4) Large-scale commercial fishing affects entire ecosystem.

5) Commercial fishing that utilizes nets, lines and traps may accidentally kill other marine animals such as turtles, sharks etc.
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