Bottom-trawling's knock-on impacts are best illustrated by the plight of the deep-sea fish, the orange roughy (also known as slimeheads) whose populations have been reduced by more than 90%, according to marine scientists.

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The acid from the lime, lemon or orange juice changes the structure of the proteins in the fish much in the same way that heat does. (If you make it at home, you can observe the flesh turning from translucent to opaque.) Therein lay my answer.

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Wesley Brumback rhapsodizes about planting 350 bare-root orange trees in two days, seeing bald eagles dive for fish in the grove's reservoirs and watching trailers roll out with his fruit.

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Certain dietary supplements such as vitamin D and fish oil have proven benefits, but others like bitter orange and vitamin B5 lack evidence.

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Think of the wonderfully sinister suits Michael Fish designed for the adult authority figures of A Clockwork Orange, the sideways-in-reverse noir retro of Blade Runner or the Gaultier of The Fifth Element.

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They also provide a habitat for fish and other species of ecological and commercial interest, such as orange roughy, swordfish, tuna, sharks, turtles and whales.

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