Chichester Harbour Projects

© Sussex IFCA

Sussex IFCA conducts research to gather data and information to support the decision making processes of the Authority. We work in partnership with a wide range of organisations. Below are highlights from our project partnership work in Chichester Harbour.

Oyster Stock Monitoring
There is a small-scale but locally important fishery for native oysters in Chichester Harbour. Fishing by dredging takes place for a couple of weeks each November. A stock assessment is conducted in the autumn to inform IFCA Byelaw flexible management measures. We also work with the environmental health officers from the local councils to gather catch per unit effort and length-frequency data.

More information on the fishery

Valueing Chichester Harbour Shellfisheries
Sussex IFCA has worked with the Environment Agency to improve the evidence base for the valuation of the Chichester Harbour oyster fishery. An economic analysis of the fishery was carried out together with the creation of a model. The model predicts the potential value of the shellfishery under different water quality scenarios. The project was delivered by the New Economics foundation. The results obtained demonstrate that better water quality leads to higher gross added value (GVA) as a result of an increased oyster harvest. The evidence from this sudy can be integrated into future cost benefit analyses, which in turn may encourage investment in environmental protection and fisheries enhancement. the model created can be used for any shellfishery where data exists. Please note that the report and model were updated on the 4th October 2018.

The full report can be viewed here
The model (Excel) can be viewed here

Clear Seas, Chichester Harbour
Sussex IFCA and the Environment Agency have worked with partners including Southern Water, The Sussex Wildlife Trust, Chichester Harbour Conservancy to produce a simple guide to looking after the Chichester Harbour marine environment for boat users. Take a look at the posters and leaflets from the link below to see how you can take some simple steps to protect Sussex seas for wildlife and future generations.

Clear Seas

SeaView Chichester Harbour: an environmental regulation stock check
Sussex IFCA, in partnership with the Environment Agency, have produced a report which provides an overview of the marine environment and the targets underpinned by local, national and EU legislation within Chichester Harbour. It is hoped that by collating and condensing the available information in to one report, the actions required to push for an improved environment can become clearer for all relevant bodies and partnerships.

See the full report here

Small Fish Surveys
We conduct surveys of small and juvenile fish in estuarine and inshore areas in our District. These areas are important as nursery grounds for many fish species, in particular those which are of commercial importance. Fish are also an important part of marine food webs and as indicators of ecosystem health. Surveys are carried out to European Water Framework Directive standards.

Chichester Harbour small fish survey 2016
Chichester Harbour small fish surveys 5 year analysis 2010-2014
Application of the Environment Agency's Transitional Fish Classification Index to Chichester Harbour small fish survey data 2010-2014

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