The use of GIS to analyse the spatial distribution of fishing effort in coastal fishery

Bensch, A., Carocci, F., Corsi, F.

The use of GIS to analyse the spatial distribution of fishing effort in coastal fishery

Year of publication 2003

Place of publication Rome, Italy ;

Pages 6p.

Author Bensch, A., Carocci, F., Corsi, F.

Publisher n/a ;

Product type Document

Full item page

Language English

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Project

Informes y Estudios CopeMed No 4 - Spatial distribution of fishing effort: modellisation through deductive modelling
Towards the use of Geographic Information Systems as a decision support tool for the management of Mediterranean fisheries
2000

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Book (series)

Mapping coastal aquaculture and fisheries structures by satellite imaging radar
Case study of the Lingayen Gulf, the Philippines
2004

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Inventory and monitoring of coastal aquaculture and fisheries structures provide important baseline data for decision-making in planning and development, including regulatory laws, environmental protection and revenue collection. Mapping these structures can be performed with good accuracy and at regular intervals by satellite remote sensing, which allows observation of vast areas, often of difficult accessibility, at a fraction of the cost of traditional surveys. Satellite imaging r adar (SAR) data are unique for this task not only for their inherent all-weather capabilities, very important as aquaculture activities mainly occur in tropical and subtropical areas, but essentially because the backscatter from the structure components allows for their identification and separation from other features. The area selected and object of the study has been Lingayen Gulf, sited in Northwestern Luzon Island, the Philippines, where all these structures of interest occur. F ield verification of the methodology resulted in the following accuracy: fishponds 95 percent, fish pens 100 percent. Mapping accuracy for fish cages was estimated at 90 percent and for fish traps at 70 percent. The study is based on interpretation of SAR satellite data and a detailed image analysis procedure is described. The report aims at the necessary technology transfer for an operational use of the approach indicated in other similar environments.
Project

Informes y Estudios CopeMed No 4 - Spatial distribution and identificationof artisanal fishing areas in Alboran sea using GIS
Towards the use of Geographic Information Systems as a decision support tool for the management of Mediterranean fisheries
2000

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