Open WL Archief (OWA)

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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

Basisinformatie over ‘Open Access to scholarly information'.

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one publication added to basket [228668]

Flooded by herring: Downs herring fisheries in the southern North Sea during World War II Lescrauwaet, A.-K.; De Raedemaecker, F.; Vincx, M.; Mees, J. (2013). Flooded by herring: Downs herring fisheries in the southern North Sea during World War II, in: Lescrauwaet, A.-K. Belgian fisheries: ten decades, seven seas, forty species: Historical time-series to reconstruct landings, catches, fleet and fishing areas from 1900. pp. 164-181 In: Lescrauwaet, A.-K. (2013). Belgian fisheries: ten decades, seven seas, forty species: Historical time-series to reconstruct landings, catches, fleet and fishing areas from 1900. PhD Thesis. Ghent University (UGent): Gent. xiii, 242 pp., meer

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Beschikbaar in	Auteurs
VLIZ: Open access 250415 [ download pdf ]

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Trefwoorden

Herring fisheries Historical account ANE, Noordzee [Marine Regions] Marien/Kust

Author keywords

Downs herring, autumn-spawners, North Sea, Second World War

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Auteurs		Top
Lescrauwaet, A.-K., meer De Raedemaecker, F., meer Vincx, M., meer Mees, J., meer

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Abstract

During the Second World War (1939-1945) herring fishing effort in the North Sea was greatly reduced. The traditional autumn herring fisheries by Belgian fishers on the Flemish banks around the spawning areas in the southern North Sea however, continued during WWII. Data presented here show a 10-fold increase in the Belgian ‘autumn spawning herring’ catches and a 5-fold increase in landings per unit of effort of Downs herring during WWII. It is argued that these increased catches are explained by a combination of factors including the sustained effect of a major increase in catch power, the effects of strong pre-WWII year classes and the effects of decreased fishing mortality during the 6-years cessation in fishing on the herring feeding grounds in the central North Sea and in the English Channel. The data and information presented here represent a period in which a gap exists in time-series of herring catches from the North Sea and in the stock assessment time series which currently go back to 1947. The results are also discussed in the context of the recovery of the autumn spawning Downs herring. The recovery of stock components and the spatial diversity in the spawning areas of the herring stock in the North Sea is a crucial aspect of fisheries management that aims to enhance stock resilience to changes in environmental conditions and direct effects of anthropogenic activities.

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