Vt ka 'bottom otter trawl'. {ELS/ETM 02.12.1999}
FR: chalut de fond [EUR] [T30315]
DE: Grundschleppnetz [EUR] [T30315]
FI: pohjatrooli - yleistermi kaikille pohjassa tai pohjan läheisyydessä vedettäville troolipyydyksille. [EUR]
Bottom trawl
(i) single trawl, paired trawl, twin trawl, other multirig trawl, four-panels trawl, high-opening trawl
(ii) mesh size: < 32 mm, 32 - 54 mm, 55 - 69 mm, 70 - 79 mm, 80 - 109 mm, >= 110 mm
(iii) (i) and (ii) may be combined
Good to know
According to the type used, one may distinguish: low opening trawls, especially adapted to the capture of demersal species, such as beam trawls and shrimp, sole or nephrops trawls; and high-opening trawls, suitable mainly for the capture of semi-demersal or pelagic species. In bottom trawls, the lower edge of the net opening is normally protected by a thick groundrope ballasted with chain sinkers and often covered with rubber discs, bobbins.
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