Documents | Seafish

Study of French and Belgian Ports

This report records the finding and impressions of visits to Zeebrugge, Boulogne and Paris in March 1990 by a team of experts drawn from a wide range of interests within the UK fishing industry (see Appendix 1). Its purpose was to create an awareness of current and future developments in the European fishing industry and to consider their likely impacts upon Britain. The emphasis has been on those fisheries based on the North Sea and the eastern Channel. This report has been produced from a scanned original and may therefore contain some formatting and other inaccuracies. In cases where this affects the technical content, a paper copy of the original report can still be obtained from Seafish.

Norfish: Norway - Prospects for the 1990s

In 1990 Seafish commissioned a study of Nordic fish supplies to the UK markets. The initial reports (Nos. 397,398) were based mainly on an analysis of the available statistical data, but in October 1991 Seafish led a delegation from the UK industry to Iceland which provided an opportunity for an in depth examination of the present and future ideas of Icelandic fish supplies (Report No. 399). That still left an important gap in the information, however, and the chance to fill it came with a second, smaller mission – though with a much more detailed itinerary – to Norway in November 1992, led by Alan Hopper, then Technical Director of Seafish. The present report is largely the outcome of that seven day visit which afforded a remarkable cross section of the Norwegian fishing industry. The length of this report, and the comprehensive picture that it is able to present, is a testimony to the wealth of opinion and information that was provided by individuals and organisations contacted during the visit. The report makes considerable use of those enriching experiences and of some of the abundant literature on Norway’s fishing industry. This report has been produced from a scanned original and may therefore contain some formatting and other inaccuracies. In cases where this affects the technical content, a paper copy of the original report can still be obtained from Seafish.

Estuary Profile Burry Inlet S. Wales

This is one of a series of reports on the estuarine shellfish areas of the UK. The Burry Inlet has an important commercial fishery for cockles with landings of 4-5000 tonnes per year. The fishery is facing a Closing Order restricting landings unless they are purified or processed in a prescribed manner. The report describes the portential for the fishery especially in mussels, but points out certain difficulties which have to be resolved.

Channel Spider Crab Fishery (Maia squinado)

In 1994 a party from Seafish and fishermen visited St. Malo in France to investigate a trap fishery for cuttlefish. The aim was to investigate methods of exploiting cuttlefish other than by their traditional method of gill and/or trammel nets. The use of static nets to target cuttlefish from SE channel ports had been severely hampered by the presence of large quantities of spider crabs on the traditional netting grounds.

Upgrading and utilisation of fishery products

The TNO/FAR International Conference concerned with the upgrading and utilisation of fishery products as attended. The purpose of the visit was to present a short lecture on the Guidelines for the Handling of Chilled Finfish by Primary Processors and display a guidelines poster. The conference was used to assess European attitudes and trends influencing the EC fish trade. The opportunity was taken to target European Institutes which could be partners for Seafish in future R & TD projects.

A Comparison of the Quad-rig and Twin-rig Trawl in the Nephrops Fishery

Estuary Profile. Teign Estuary - Devon

The Teign Estuary, which is situated on the south Devon coast, is long and narrow and opens into the English Channel at Teignmouth. Local fisheries are managed by the Devon Sea Fisheries Committee under their byelaw regulations. There is a regulated order area, allocated by MAFF to the Teign Musselmen's Society Ltd., covering a large part of the seabed, granting their exclusive rights to the mussels.

Multi-Layer Mussel Purification Tank

This report describes the trials which subsequently took place following the design of the stainless steel multi-layer tank by Bead Engineering, to Seafish specification, and its installation at the premises of Heiploeg Lynn. The trials were conducted by Seafish as part of its 1988/89 MAFF Research Commission, Project NBA 16. A total of eighteen purifications were made with the tank using a single initial mix of artificial seawater to which ten percent make-up was added at each use. Bacteriological analysis showed that mussels purified satisfactorily throughout the trials and there was no detrimental effect on mussel storage life. It became clear during the trials that water temperature needed to be kept between 5° and 10°C to ensure satisfactory purification. This makes it essential to house the tank in a building in order to maintain temperature control. Following the first twelve trials the effect of overloading trays/boxes with mussels was investigated and it was possible to establish a safety margin on the nominal load of 15kg per box. This report has been produced from a scanned original and may therefore contain some formatting and other inaccuracies. In cases where this affects the technical content, a paper copy of the original report can still be obtained from Seafish.

Investigation on 'Maranatha II' (UL33)

The vessel was delivered in 1989 and, since that time, has suffered a number of partial failures of the propulsion engine, a Caterpillar 3508, rated at 765hp at 1440 revs/min. The failures have taken the form of premature failure of inlet and exhaust valves. At or about the time of failure, excessive lub oil consumption has been noted.

Fleet Structures Model - Biological Feedback

The Fleet Structures Model* (FSM) is a predictive model under development by the Sea Fish Industry Authority. Its purpose is to simulate aspects of the structure and performance of the United Kingdom sea fishing fleet in order to make comparative assessments of fleet management policy scenarios. Because of the inherent complexity of the model it has been developed in separate sections. The first of these to reach completion as a stand-alone computer model is the Biological Feedback phase. This predicts the effects of catch levels on fish stocks, and the consequent effect on catch rates as stocks rise and fall. This report has been produced from a scanned original and may therefore contain some formatting and other inaccuracies. In cases where this affects the technical content, a paper copy of the original report can still be obtained from Seafish.

Survey of Clyde Fishing Ports

The survey details, the facilities and practices in the major and minor ports along the Ayrshire Coast and the Mull of Kintyre. The landings for the main species over the few years are also given.

Mussel Purification Commercial Scale Trials

This report describes a series of trials conducted at Monteum Ltd., Shoreham using a modified crustacean holding tank, Mussels were obtained from the Wash and purified using the existing criteria advised by MAFF with the exception that as the trials progressed the number of mussel layers was increased to the maximum of six that the depth of tank allowed. In addition further trials were conducted with increased mussel density in the tank, the use of interleaf boards between layers and purifying mussels in bags. Water temperature, pH and dissolved oxygen were monitored and samples of tank water and mussels, both pre and post purification, were analysed for the bacterium E.coli and Faecal Streptococci. The trial ran from February to April 1987, when trials were curtailed due to the onset of the mussel spawning season, and were concluded during October to November 1987. This report has been produced from a scanned original and may therefore contain some formatting and other inaccuracies. In cases where this affects the technical content, a paper copy of the original report can still be obtained from Seafish.

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