| 1. | Trawl nets snag and tear superstructures and separate artifacts from their context.
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| 2. | This selectivity is achieved by metal grids integrated into the trawl net structure.
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| 3. | Main threats come from destruction of reefs by heavy deep-sea trawl nets, targeting grenadiers.
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| 4. | They simply swim away from trawl nets, " he said.
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| 5. | "Trawl nets are the squid's number one enemy.
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| 6. | A trawler may also operate two or more trawl nets simultaneously ( double-rig and multi-rig ).
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| 7. | The passage of roller-frame trawl nets does not harm grasses, but damages soft corals and sponges.
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| 8. | She said commercial fishermen have claimed " bottom trawl nets don't touch the sea bottom ."
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| 9. | He used modified otter trawl nets to greatly expand the catch and make use of deeper waters.
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| 10. | Floating debris typically is sampled with a neuston or manta trawl net lined with 0.33 mm mesh.
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