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Management of shellfish resources requires a spatial approach where mapping is a key tool. Acoustic techniques have been rarely used to map infaunal organisms with a patchy distribution. We propose and test the use of split-beam echosounder angular information to assess razor shell presence and relative density. Our statistical approach combines textural analysis of angular echograms, standard unsupervised...
Knowledge and detailed mapping of benthic habitats is a key tool for the development of strategies for coastal ecosystem management. However, existing methods are used as a “black box” where the user cannot know the equations and criteria used in the acoustic corrections, nor inspect and modify the statistical and computational protocols used too. The RMyP is developing an open protocol for marine...
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