publication . Other literature type . 2009

Deriving blue ling abundance indices from industry haul by haul data

Lorance, Pascal; Pawlowski, Lionel; Trenkel, Verena;
Open Access English
  • Published: 01 Jan 2009
  • Publisher: ICES CM 2009/L:12
  • Country: France
A database of tallybooks, from skippers' own logbooks, provided by the French industry involved in deep-water fishing to the west of the British Isles was used to standardise blue ling Landings per Unit of Effort (LPUEs). The data covered the years 1992-2008 with more extensive data for the period 2000-2007. For each haul, landings by species, tow duration, depth and location were reported. Compared to EU logbooks, this database is on a haul by haul basis instead of being aggregated by fishing sub-trips combining hauls from the same day, ICES rectangle and gear. Moreover, it includes depth, which is a major factor for catch rates in deepwater fisheries. LPUEs we...
free text keywords: Molva dypterygia, abundance indices, fishing strategy, Tweedie distribution
European Marine Science
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