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"inkwells" - 1 õppematerjal

Lõkspüünised
39
ppt

Lõkspüünised

· 10" Galvanised Weldmesh Parlour Creel, Abandonned or lost pots continue to fish indefinitely, killing as many as 40 crabs per pot annually. In Port Susan alone, 24000 crabs may be killed by derelict pots each year. Pots or inkwells (Fig. 24) commonly used in the English Channel by the Cornish and Devon crab fleets are rapidly becoming the most important method used for catching brown crab in Scottish waters, in terms of number of pots used by each vessel and the tonnage removed. The construction of these pots has changed from using natural materials such as cane to plastic piping frames with a netting cover with plastic `bucket' entrance with a heavy plastic matrix base. The stanchions, base and top area are

Merendus → Kalapüügitehnika
39 allalaadimist


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