How might trawling affect marine biodiversity?
A) Decrease biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed.
B) Increase biodiversity by collecting only certain species.
C) Increase biodiversity by selectively catching invasive species.
D) Decrease biodiversity by reducing pathogens in the water.

Question

shannon82101 shannon82101

11-11-2017
Biology

contestada

How might trawling affect marine biodiversity?
A) Decrease biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed.
B) Increase biodiversity by collecting only certain species.
C) Increase biodiversity by selectively catching invasive species.
D) Decrease biodiversity by reducing pathogens in the water.

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Squazz Squazz · Answer 1 · 2017-11-16T14:59:51+01:00

Squazz Squazz

16-11-2017

A. It decreases biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed

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Surnia Surnia · Answer 2 · 2019-09-18T10:02:07+02:00

Answer: A) Decrease biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed.

Explanation:

Trawling is a process used for capturing the fishes. In this process a net called as trawl is used which is pulled by the two boats in water. The net can be situated at the low region as that of the bottom of the sea floor. It collects maximum catch of the fishes for commercial sales. The main disadvantage associated with this process is that this method captures the unwanted marine animals along with the desired fish mass which are then removed from the entire catch mass. Thus this process is likely to reduce the biodiversity of the unwanted fishes or marine creatures.