Acronym NYTID
Category
Fisheries
Title Nytteverdi av automatisk artsidentifikasjon - Usefulness of automatic species identification Programme National Programme
Instrument (FP6)
Contact Type (FP7)
Strand (Interreg)
NA
Theme (FP7)
Activity Area (FP6)
Regional Area (Interreg)
Action (COST)
NA
Specific Programme (FP7)
NA
Funding source National Coordinator Christopher Giertsen Coordinator email chrisgie@cmr.no
Coordinator institution
CMR - Christian Michelsen Research AS (Norway)
Institutions involved
NA
Start year 2008 End year 2010 Funding (€) € NA Website https://www.fhf.no/prosjekter/prosjektbasen/900065/ Summary Christian Michelsen Research (CMR) has in collaboration with the Institute of Marine Research (HI) developed the software package SEAT. The name of this software package is an abbreviation for ""School Exploration and Analysis Tool"", which indicates that this is a tool for exploring and analyzing shoals of fish in new ways.
The first complete prototype of the SEAT was completed in the autumn of 2007. This version of the SEAT focuses on being able to perform automatic species identification based on data from multi-frequency echo sounders. This functionality is based on research which shows that if you simultaneously send sound waves with different frequencies to schools of fish of different species, then each species will give a different response to the different frequencies.
There are many factors that are important for the response, including whether the fish species has or does not have a swim bladder, or whether the swim bladder is large or small. Furthermore, the size of the fish, as well as the ratio between bone tissue and soft tissue, is important for the response it gives to different transmission frequencies.
Another collaborative project is currently underway between HI and CMR, where the focus has been on studying variations in frequency response, including in relation to time of day, depth, geographical area and season. This project is called MIAKO, and has been carried out with support from the Fisheries and Aquaculture Research Fund from spring 2006 to autumn 2008.
The project proposed in this document is a continuation of MIAKO. While MIAKO has focused on mapping important factors that affect the frequency response, the project proposed in this document will focus on uncovering the usefulness of automatic species identification in practical situations.
The project proposed in this document can be abbreviated NEW, and this is done to signal that the project has a high level of ambition. The project results are expected to be available in the form of written summaries of specific incidents on the fishing vessels participating in the project, where the focus will be on situation descriptions and useful values of automatic species identification.
Confirming SEAT is a tool that can:
• help the skipper achieve improved profitability
• lead to easier reception for onshore facilities
• help to change the regulations through safer implementation of selective fishing.
CMR and HI believe that it is possible to achieve these goals by installing SEAT on as many fishing vessels as possible and having close follow-up with these vessels. In this work, it will be very important to identify practical issues where skippers have problems interpreting ordinary echograms, and then use and evaluate how SEAT can contribute to solving these issues.
For example, it will be important to find out whether SEAT can be used to avoid bycatch of mackerel while fishing for horse mackerel. If it can be documented over time that equipment for automatic species identification can contribute to achieving pure catches of horse mackerel, it is not unlikely that the ban on trawling for horse mackerel can be lifted provided that such equipment is used.
Keywords
Acoustic survey;
Stock assessment;
Marine Region
14
Skagerrak, Kattegat (27.IIIa)
41
Norwegian Sea (27.IIa)
42
Barents Sea (27.I)
13
Northern North Sea (27.IVa)
4
Marine Region Map
