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Ongoing Reviews

The following page provides information regarding the fisheries which are under review within the Southern IFC District. To view a specific section please use the links below:

Solent Scallop Fishery Review

Over recent years a small-scale winter scallop ( Pectin maximus ) fishery has emerged in the Solent.  This has typically spanned from Osborne Bay on the North East of the Isle of Wight to No Man’s Land Fort further East near Seaview.

More recently this fishery has expanded over both a longer duration and geographical extent. During 2020 this fishery lasted approximately four months, targeted by six vessels at any one time from a larger pool of local boats. This fishery has provided an alternative focus for fishers who may have typically harvested native oysters or clams during the winter period, but have in more recent years been restricted due to temporary closures of shellfish beds and/or poor water quality impacting shellfish classifications in some areas.

A number of fishers in the Solent asked for Southern IFCA to consider management intervention in this emerging fishery to ensure its future sustainability. In response to this, Southern IFCA undertook an engagement and evidence gathering exercise in late 2020. This ‘Call for Information’ aimed to address any evidence gaps and gather any information relating to the fisheries in question. 

Scallop Consultation Summary of Responses 2021

Following a review of the responses, coupled with all other relevant evidence at a WG in January 2021, it was determined at the meetings of the TAC in February 2021 that the Authority would develop a Code of Conduct which was formalised at the Meeting of the Authority in March 2021. The full details of the Code of Conduct can be veiwed here: Solent Scallop Fishery Code of Conduct. 

The Code of Conduct

  • Seasonal closure : Between the 1st April and 31st October 2021, both days inclusive, no vessel should fish for scallops. 
  • Gear specification: Between 1st November 2021 and 31st March 2022, both days inclusive, a person must not use a vessel to operate more than 2 scallop dredges.

Next Steps

It is the intention for the Code of Conduct to be implemented in April 2021, prior to a review of the non-statutory measures in November 2021. This review will be carried out with Solent Dredge Permit Byelaw (SDPB) Permit Holders and any other interested party at a Solent Bivalve Community Forum. The Authority will then be in a position to consider, following the outcomes of the Community Forum, whether to transpose the Code of Conduct into Permit Conditions (under the SDPB) or to continue to manage the fishery under a Code of Conduct. 

Pot and Trap Fisheries Review

Pot and trap fishing has been a key part of the Southern IFC District’s history for generations. Today, this fishery supports more than 220 commercial fishers who use pots or traps to collect crabs, lobsters, whelks and cuttlefish. In addition, the District’s waters support more than 40 recreational pot fishers who catch crab and lobster for their own personal consumption. 

Southern IFCA is currently undergoing a review of the management measures in the District’s inshore pot fisheries in order to ensure that they remain sustainable and support the industry for future generations. 

The review began with a ‘Call for information’, which invited stakeholders to submit views on whether any improvements could be made to management and how improvements could be achieved to support the sustainability of the pot fisheries.

A total of forty responses were received, which highlighted that further management measures were required to support the District’s pot fisheries sustainability. Since then, an Authority Working Group, consisting of Defra Appointee Members, has been carrying out this review in an evidence based, strategic and proportionate manner. In line with the objectives of the review. Members have considered the effectiveness of existing management and opportunities to strengthen it. The best available evidence from a variety of sources, including stock and catch assessments, scientific literature and the knowledge of commercial and recreational users has supported discussions to date.

Pot & Trap Call for Information Summary of Responses 2019

Following this, Members approved a 10-week public consultation on a review of management measures in the inshore pot fisheries within the Southern IFC District. The consultation considered a number of more specific management measures such as; recreational pot and catch limits, commercial pot limits, fishery closed seasons, species minimum conservation reference sizes and escape gaps. Over all, a total of 110 responses were received in response to the consultation. A copy of the summary document for this public consultation can be viewed using the link below:

Southern IFCA’s Summary of Responses to the review of management measures in the inshore pot fisheries. January 2021.

Next Steps

Following this completed first public consultation, Members will now develop DRAFT Management Measures for the District’s Inshore Pot Fisheries, taking into account the evidence provided in the consultation responses, as well as scientific literature, stock and catch assessments and other evidence.  Once DRAFT management measures have been developed these will be considered by the Southern IFCA Authority in late 2021. If approved a second formal public consultation will follow. If you are interested in the review of Southern IFCAs commercial or recreational pot fisheries and wish to be notified of future consultations or management changes please contact our office using the details at the top of the page. 

Minimum Conservation Reference Size Byelaw Review

The majority of commercial species caught within the Southern IFCA district are subject to a Minimum Conservation Reference Size (MCRS) previously known as Minimum Landing Size or Minimum Legal Size. This measure prevents individuals below a set size from being removed from the fishery.

Between 2021 and 2023 Southern IFCA will review its Minimum Conservation Reference Size byelaw to assess existing size limits and to investigate potential new minimum sizes for additional species.

The size at which 50% of a population reach maturity is known as the L50. This measure is often used to help establish appropriate Minimum Conservation Reference Sizes as it ensures individuals can reproduce at least once before capture.

We are currently undertaking an extensive literature review based upon size of sexual maturity for commercial and recreational species in the District. Best available evidence on reproductive biology, life history and social and economic value of each species will be compiled to help inform the byelaw review. The literature review will also help identify gaps in our understanding of maturity for specific species. Primary research may be undertaken when possible for data poor species.

Size at Maturity Research

Grey Mullet

Working with Plymouth University we are investigating the size of maturity for thin-lipped (Liza ramada) , golden-grey (Liza aurata) and thick-lipped grey mullet (Chelon labrosus) in the Southern IFCA district.

Gilthead Bream (Sparus aurata)

We have begun a pilot study to collect data on the size of maturity for gilthead bream in the District.

Whelk (Buccinum undatum)

The size at which whelks mature varies greatly on a small geographical scale. Previous studies have found whelk populations across the Southern IFCA district mature at different sizes. We hope to collect samples across multiple sites in 2021 to confirm these differences.

Next Steps

The first stage ‘Call for Information’ of the Minimum Conservation Reference Size byelaw review will commence in 2021.

Helpful links:
  1. National Minimum Conservation Reference Sizes

Review of Net Fishing

The harbour and estuarine waters of Dorset, Hampshire and the Isle of Wight are highly biodiverse and ecologically rich habitats, providing valuable nursery and refuge areas for a variety of fish species. These transitional waters also form an important migratory route for salmon and sea trout as they leave and re-enter our riverine environments. The harbours, estuaries and piers in the district are also important places for people, offering a place to enjoy through recreation or somewhere to make an income. In particular, these areas hold great significance for recreational and commercial fisheries.

Net fishing is an activity which has been carried out by fishers in estuaries, harbours and the coastal waters of the Southern IFCA district for generations. Net types and fishing methods have evolved over time to reflect the target species, local environment, technological advances and the persons engaged in the activity. At the same time, the potential impacts of developing fishing methods on the marine environment and fish populations have also changed.

In 2017 the Authority identified, through a strategic review of management measures, that reviewing the management of near-shore netting in the district was a priority. The aim of the review was to enhance the environmental, socio-economic and fisheries sustainability of the Southern IFCA district by addressing four main objectives:

  1. Supporting the use of estuaries and harbours in the Southern IFCA district by bass and other fish populations as nursery, feeding and refuge areas;
  2. Providing protection to migratory fish species as they move through our estuaries and harbours; and, in doing so,
  3. Balance the social and economic benefits of exploiting the fishery; and
  4. Further the conservation objectives of designated sites

An Authority Working Group, consisting of Defra Appointee Members, has been carrying out this review in an evidence based, strategic and proportionate manner. In line with the objectives of the review, Members have considered the effectiveness of existing management and opportunities to strengthen it. The best available evidence from a variety of sources, including the Environment Agency, Natural England and commercial and recreational users has supported decision making throughout this review.

The Authority has undertaken two informal consultations with stakeholders as part of the review:


Through the Authority Working Group, a series of proposals were drafted on which the views of the community were sought through a period of pre-consultation. The consultation ran for a period of 8 weeks from 15th October to 7th December 2018 with the views of the local community being sought through a variety of different methods. A copy of the Summary of Responses document for the pre-consultation can be viewed using the link below:

Public Consultation on Net Fishing Management for Estuaries, Harbours and Piers in Dorset, Hampshire and the Isle of Wight Summary of Responses, January 2019

Secondary Pre-Consultation

Members of the Authority Working Group committed to undertaking a review of the draft proposals based on the submission of evidence through the pre-consultation and recommended to the Authority that a Net Fishing Byelaw be drafted to introduce new net fishing measures in the district which addressed the objectives of the review. At this stage the Authority agreed to seek the views of the most affected users through a second round of pre-consultation, targeted towards representative groups. A consultation document was produced for consultees outlining proposed management measures under the Net Fishing Byelaw and representative groups of the potentially most affected and engaged users identified through the review process were contacted and invited to engage with officers and provide a response during the period January to February 2020. A copy of the Summary of Responses document for the secondary pre-consultation can be viewed using the link below:

Secondary Consultation on Potential Net Management Measures for Estuaries, Harbours and Piers Summary of Responses, March 2020

Next Steps

Following this period of secondary pre-consultation, the Authority Working Group has been working to review consultation responses, all available scientific evidence and advice from the Environment Agency and Natural England to review and refine management measures under the Net Fishing Byelaw. This work is currently ongoing with recommendations and associated documents on management intentions, an impact assessment and environmental assessments to be presented to the Authority during 2021.

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