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nadya68 [22]
3 years ago
13

How might trawling affect marine biodiversity?

Biology
2 answers:
astraxan [27]3 years ago
8 0

Experimental studies generally use the before/after control/impact design. In this approach, an experimental area is trawled and compared before and after trawling (before/after comparison) and with a site that has not been trawled recently (control/impact comparison). This design often involves direct sampling of fauna, video observations, and sonar scans of the control and disturbed sites.


Tanzania [10]3 years ago
4 0

<u>Answer:</u>

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

<u>Explanation:</u>

Trawling is the method of fishing with the help of using a trawl net which is pulled by a boat. This method of fishing traps everything that comes in its path.

While marine biodiversity refers to the number of different species present in a particular ecosystem.

Since trawling catches everything which comes in its path so a lot of unwanted species also get caught, thus affecting the marine biodiversity.

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