The geographical factors required for commercial fishing are 1 Broken coastal lines 2 Presence...........

Geography Animal Husbandry

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The geographical factors required for commercial fishing are:

1. Broken coastal lines.

2. Presence of mangroves.

3. Tropical climate is more suitable than Temperate.

4. Convergence of cold and warm ocean current.

Which of the above stated factors are correct?

1, 2 and 3 only

2, 3 and 4 only

1, 2 and 4 only

All of the above

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Explanation:

Third statement is incorrect

The productive temperate waters of the North Atlantic support bountiful fisheries than tropical waters

The tropical region is only one of several major marine biogeographic regions of the world: tropical, temperate (cold and warm), and polar.

While the tropical region spanning the planet's midsection is biologically diverse, providing a favorable habitat for a large variety of marine creatures, the coastal regions of the temperate and polar zones are highly productive. The Southern Ocean surrounding Antarctica, one of the most biologically rich ocean systems in the world, far exceeds the production levels found in any tropical sea.

The biological productivity found in a temperate coastal body of water like the Gulf of Maine could not be matched by a coral reef of equivalent size. Tropical waters are characterized by high light levels and nutrient-poor (crystal-clear) waters.