Documents | Seafish

Review of king scallop dredge designs and impacts, legislation and potential conflicts with offshore wind farms

Review of king scallop dredge designs and impacts, legislation and potential conflicts with offshore wind farms.

Use of discards in bait

Further to the Defra ‘Fishing for the Markets’ initiative, this study explores whether discards from English vessels not destined for human consumption can be utilised in bait in England. Analysis of current discards from the English fleet and the pot bait needs of those targeting crab and lobster showed that the bait market could potentially utilise all discards in England. Commercial sea trials tested the effectiveness of a range of discards species as bait. These identified that virtually all species currently discarded by English fishing vessels could be used as effective pot bait for crabbers. But this was not the case for lobster catches where the sea trials showed a negative impact on the catch rate compared to traditional bait. The study concludes that the use of discards as pot bait will predominantly depend on the cost as they will be competing on price with a range of existing cost-effective baits already used by the potting sector.

Use of waste as a biofuel and fertiliser in Orkney_C008

Shellfish processors want simple, local, cost-effective solutions for managing shellfish waste. Anaerobic digestion (AD) has been identified as a potential solution for shellfish waste treatment. The process produces methane which can be used to generate energy and digestate (fertiliser) which has applications in agriculture and horticulture. Heat and Power Ltd. were part funded by Seafish to evaluate the potential of AD as a solution for Orkney based shellfish and food processors. The main aims of the project were to consider whether AD could reduce commercial waste disposal costs and establish a sustainable waste management solution for the island. It included a small-scale batch digester trial on crab shells. This report summarises AD technology, suitable food wastes in Orkney and results of a small-scale batch trial on crab processing waste.

ni_crab_strategy_poseidon_final_report.pdf

Effects of electrofishing for Ensis spp. on benthic macrofauna, epifauna and fish species. SR652

This report summarises the results of experimental work carried out as part of “Design and Trials of Electrofishing System for Razorclams – FIFG 57437 and Seafish IPF funding project C85”. The aim of the project was to design and trial methods of harvesting Ensis spp. using electrical stimulus with the intention of providing a more environmentally benign alternative to existing hydraulic and toothed dredges. The results of this study demonstrate that the effects of electrofishing gear employing relatively low DC voltage and amperage can be effectively used in the harvest of Ensis spp. without serious negative effects on the epifaunal and macrofaunal benthic community.

SIPF D123_Future Management of Brown Crab in UK and Ireland

This study (SIPF Project D123) looks at the merits of the various tools and systems used elsewhere to manage sectors involved with Brown Crab fisheries, such as; access restrictions, pot limitations, shellfish licences and permits, quotas and TACs, Minimum Landing Sizes and gear technology, and considers their utility in managing Brown Crab stocks in UK and Ireland.

Full report on Developing an Assurance Scheme for Shellfish and Human Health (DASSHH)

The full report on a bivalve shellfish aquaculture water quality project. DASSHH aimed to create an improved approach to determining shellfish water quality that fully meets consumer safety and regulation requirements.

Feasibility of an Aquaculture and Fisheries Research and Development Centre at Brixham Laboratory Final Report: Findings and Recommendations

The report presents the outcome of a feasibility study, supported by Seafsh, for developing an aquaculture and fsheries research and development centre at a laboratory facility in Brixham. (formerly AstraZeneca’s, but transferred to Plymouth University two years ago). The proposed concept was a full-service operation that could support the UK seafood industry - including fsheries and aquaculture supply chains - with market-led research, development and analytics capabilities.

Climate change adaptation in UK seafood (wild capture) Annex 10 - Domestic

The annex concerns UK seafood wild capture supply chains reliant on domestic production. It covers major impacts from key climate change drivers, from production to processing, highlighting key opportunities and threats.

Aquaculture Opportunities for Enclosed Marine Water Bodies – Tidal Lagoon Swansea Bay Case Study

The SIP project output examines opportunities for aquaculture in/around enclosed marine water bodies, as well as the development of a generic design for a shellfish hatchery - the proposed Tidal Lagoon in Swansea Bay (TLSB) case study is a significant focus

658 Pacific Oyster Protocol - Technical Report

The potential impact of wild Pacific oysters on local biodiversity is being raised as an issue that has to be considered in environmental assessments of both new farms and changes to practices by existing farms where they occur in wildlife protected areas. A FIFG-funded project has been carried out by Seafish which focuses on Pacific oyster cultivation in and around European Marine Sites. Working closely with industry and statutory nature conservation agencies, relevant background information was collated (Development of a Pacific oyster aquaculture protocol for the UK - Technical Report and a protocol proposed (Development of a Pacific oyster aquaculture protocol for the UK - Protocol template. Where there could be an impact on protected wildlife and/or marine habitats, husbandry and management techniques have been proposed to mitigate or eliminate any potential impacts. The project complements the ‘Memorandum of Understanding for Appropriate Assessments in European Marine Sites’ that was agreed between the SAGB and Natural England.

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