The term fishery fleet or fishery vessel refers to mobile floating platforms of any kind and size, operating in fresh, brackish or marine waters which are used for catching, harvesting, searching, transporting, landing, preserving and/or processing fish, shellfish and other...
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The term fishing vessel is used instead when the vessel is engaged only in catching operations.
The term non-fishing vessel applies to vessels performing other functions related to fisheries, such as supplying, protecting, rendering assistance or conducting research or training.
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Fishery vessels are classified in accordance with the International Standard Statistical Classification of Fishery Vessels by Vessel Types (ISSCFV, 2019) (FAO, 2021a) which includes vessels engaged only in catching operations (i.e. fishing vessels) and other vessels supporting fishing related activities...
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In order to assess fleet capacity, it is necessary as a bare minimum to have estimates of vessel numbers and main vessel characteristics. If the fleet consists of only one type of vessel, the number of fishing vessels may be...
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Vessel tonnage
In international law, as well as in practice, two measurements of tonnage of ships have existed side by side: Gross Registered Tonnage (GRT) defined by the Oslo Convention (1947), and Gross Tonnage (GT) defined by the London Convention (1969)....
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Vessel length
The most frequently used and preferred measure of the length of a fishing vessel is length overall (LOA) which refers to the maximum length of a vessel from the two points on the hull most distant from each other,...
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Other measures of the length of vessels are:
Waterline length (LWL) which refers to the length of the designed waterline of the vessel. This measure is used in determining certain properties of a vessel for example, the water displacement; Length...
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Vessel classification
For statistical purposes three main classifications were adopted by the CWP for classifying fishery vessels by tonnage, type and length:
The International Standard Statistical Classification of Fishery Vessels by GRT Categories (FAO, 2021b), based on the Gross Registered Tonnage...
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Data collection
Data on fishery fleet are collected by means of the statistical questionnaire FISHSTAT FF. Form FF1 is used for the collection of data on decked vessels, whereas form FF2 is intended for undecked vessels for which the most important...
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